Never-Before-Seen Particles Discovered at Swiss Collider
by Calla Cofield, Staff Writer | November 20, 2014
The LHCb detector at CERN.
Credit: CERN
Two new subatomic particles have popped up at the world’s largest atom smasher. The never-before-seen particles could help physicists glean key information about the building blocks of matter in the universe.
The Large Hadron Collider (LHC) near Geneva, Switzerland, is a veritable particle piñata: The massive underground machine accelerates two beams of protons to nearly the speed of light and smashes them together. Breaking the protons apart with so much energy creates a shower of new particles for scientists to study.
One of the experiments at the LHC, called LHCb, identified two never-before-seen baryon particles in their most recent particle cache.
“Nature was kind and gave us two particles for the price of one,” Matthew Charles of the CNRS’s LPNHE laboratory at Paris VI University, said in a statement.
The new particles are known as Xi_b’- and Xi_b*-, and are each made up of three quarks. Quarks are believed to be truly fundamental particles, meaning they are not made up of smaller particles. Protons, a key ingredient in atoms, are also made up of three quarks.
Xi_b’- and Xi_b*- consist of one down quark, one strange quark and one bottom quark (also known as a beauty quark). Other particles consisting of this same quark combination were seen at the LHC in 2012, and by experiments at Fermi National Accelerator Laboratory in 2007.
So what makes Xi_b’- and Xi_b*- unique? The quarks contained in them have different “spins,” — an important property of particles that includes a number and a direction. Differences in the quark spins can make two particles unique, even if they contain the same combination of quark types.
The differences in spin also give Xi_b’- and Xi_b*- slightly different masses, which is crucial to detecting them. In fact, “if [Xi_b’-] had been just a little lighter, we wouldn’t have seen it at all,” with the approach the scientists used, Charles said.
So far, the new particles appear to be behaving the way scientists predicted they would. Physicists have mapped out all the particles that should come from different quark combinations. This is part of the Standard Model — the reigning theory of particle physics that outlines how the universe should behave. Scientists say that confirming the existence of all the particles in the Standard Model is the first step in looking for physics that goes beyond the Standard Model — that breaks the rules.
“If we want to find new physics beyond the Standard Model, we need first to have a sharp picture,” said LHCb’s physics coordinator Patrick Koppenburg from Nikhef Institute in Amsterdam. “Such high-precision studies will help us to differentiate between Standard Model effects and anything new or unexpected in the future.”
On July 4, 2012, scientists at the LHC announced they had found an elementary particle called the Higgs boson, which could help scientists understand how matter has mass. The Higgs is thought to be associated with a field that can impart mass on particles that pass through it. The discovery of the long-sought Higgs boson also represented the final piece of the puzzle predicted by the Standard Model.
The new baryon particles were detected from data collected from 2011 to 2012. After a long shutdown for upgrades, scientists are preparing the LHC to once again start colliding particles, but at higher energies and with more intense beams than ever before, according to CERN, the research organization that operates the LHC. The collider is scheduled to restart by the spring of 2015.
The new workappears online and has been submitted to the journal Physical Review Letters.
by Owen Jarus, Live Science Contributor | November 20, 2014
An Egyptian Handbook of Ritual Power (as researchers call it) has been deciphered revealing a series of invocations and spells. It includes love spells, exorcisms and a cure for black jaundice (a potentially fatal infection). Written in Coptic (an Egyptian language) the 20 page illustrated codex dates back around 1,300 years. This image shows part of the text. Credit: Photo by Ms. Effy Alexakis, copyright Macquarie University Ancient Cultures Research Centre
Researchers have deciphered an ancient Egyptian handbook, revealing a series of invocations and spells.
Among other things, the “Handbook of Ritual Power,” as researchers call the book, tells readers how to cast love spells, exorcise evil spirits and treat “black jaundice,” a bacterial infection that is still around today and can be fatal.
The book is about 1,300 years old, and is written in Coptic, an Egyptian language. It is made of bound pages of parchment — a type of book that researchers call a codex.
“It is a complete 20-page parchment codex, containing the handbook of a ritual practitioner,” write Malcolm Choat and Iain Gardner, who are professors in Australia at Macquarie University and the University of Sydney, respectively, in their book, “A Coptic Handbook of Ritual Power” (Brepols, 2014).
The ancient book “starts with a lengthy series of invocations that culminate with drawings and words of power,” they write. “These are followed by a number of prescriptions or spells to cure possession by spirits and various ailments, or to bring success in love and business.”
For instance, to subjugate someone, the codex says you have to say a magical formula over two nails, and then “drive them into his doorpost, one on the right side (and) one on the left.”
The Sethians
Researchers believe that the codex may date to the 7th or 8th century. During this time, many Egyptians were Christian and the codex contains a number of invocations referencing Jesus.
However, some of the invocations seem more associated with a group that is sometimes called “Sethians.” This group flourished in Egypt during the early centuries of Christianity and held Seth, the third son of Adam and Eve, in high regard. One invocation in the newly deciphered codex calls “Seth, Seth, the living Christ.”
The opening of the codex refers to a divine figure named “Baktiotha” whose identity is a mystery, researchers say. The lines read, “I give thanks to you and I call upon you, the Baktiotha: The great one, who is very trustworthy; the one who is lord over the forty and the nine kinds of serpents,” according to the translation.
“The Baktiotha is an ambivalent figure. He is a great power and a ruler of forces in the material realm,” Choat and Gardner said at a conference, before their book on the codex was published.
Historical records indicate that church leaders regarded the Sethians as heretics and by the 7th century, the Sethians were either extinct or dying out.
This codex, with its mix of Sethian and Orthodox Christian invocations, may in fact be a transitional document, written before all Sethian invocations were purged from magical texts, the researchers said. They noted that there are other texts that are similar to the newly deciphered codex, but which contain more Orthodox Christian and fewer Sethian features.
The researchers believe that the invocations were originally separate from 27 of the spells in the codex, but later, the invocations and these spells were combined, to form a “single instrument of ritual power,” Choat told Live Science in an email.
Who would have used it?
The identity of the person who used this codex is a mystery. The user of the codex would not necessarily have been a priest or monk.
“It is my sense that there were ritual practitioners outside the ranks of the clergy and monks, but exactly who they were is shielded from us by the fact that people didn’t really want to be labeled as a “magician,'” Choat said.
Some of the language used in the codex suggests that it was written with a male user in mind, however, that “wouldn’t have stopped a female ritual practitioner from using the text, of course,” he said.
Origin
The origin of the codex is also a mystery. Macquarie University acquired it in late 1981 from Michael Fackelmann, an antiquities dealer based in Vienna. In “the 70s and early 80s, Macquarie University (like many collections around the world) purchased papyri from Michael Fackelmann,” Choat said in the email.
But where Fackelmann got the codex from is unknown. The style of writing suggests that the codex originally came from Upper Egypt.
“The dialect suggests an origin in Upper Egypt, perhaps in the vicinity of Ashmunein/Hermopolis,” which was an ancient city, Choat and Gardner write in their book.
The codex is now housed in the Museum of Ancient Cultures at Macquarie University in Sydney.
Slightly damaging earthquake close to Dallas, Texas
Last update: November 23, 2014 at 10:19 pm by By Armand Vervaeck
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5km (3mi) ENE of Irving, Texas
8km (5mi) W of University Park, Texas
9km (6mi) NW of Dallas, Texas
10km (6mi) S of Farmers Branch, Texas
296km (184mi) NNE of Austin, Texas
Most important Earthquake Data:
Magnitude : 3.3
Local Time (conversion only below land) : 2014-11-22 21:15:47
If you’ve been looking to the federal government for action on big challenges such as poverty, climate change, and immigration, this has been a devastating decade. Big money’s dominance of elections, obstructionism by the Tea Party, and climate denial have brought action in Washington to a near standstill. But while the media focuses on the gridlock, a more hopeful story is unfolding. Cities are taking action.
Cities can’t afford to wait for the ideological wars to play out.
Climate change is a case in point. Cities are already experiencing the damage caused by an increasingly chaotic climate. Many are located along coastlines, where rising sea levels coupled with giant storms bring flooding and coastal erosion. Some low-lying areas are being abandoned.
Others cities face protracted water shortages due to diminishing rainfall and shrinking snowpack. And cities are subject to the urban heat island effect that can raise temperatures to lethal levels.
Cities can’t afford to wait for the ideological wars to play out.
On Oct. 29, 2012, Hurricane Sandy slammed into the East Coast, flooding lower Manhattan, filling subway tunnels, twisting up the boardwalk along the beaches in the Rockaways, and turning Long Island and New Jersey communities into disaster zones.
Just two weeks later, Munich Re, a major insurance company, reported that weather-related disasters in North America had increased five-fold over the previous three decades, causing $1.06 trillion worth of damage. And the disasters are just starting, the report said.
While Congress debates whether climate change is a vast left-wing conspiracy, Houston is spending $200 million to restore wetland ecosystems in anticipation of increased flooding. The 4,000-acre Bayou Greenways project will absorb and cleanse floodwater while creating space for trails and outdoor recreation.
“Houston’s best defense against extreme climate events and natural disasters is grounded in its local efforts to leverage … its bayous, marshes and wetlands,” Houston Mayor Annise Parker said in a press release.
In Philadelphia, if you look up while waiting for a bus, you might find you are standing under a living roof. Philadelphia is dealing with excessive storm water runoff by encouraging rain gardens, green roofs—large and small—and absorbent streets that allow water to soak through into the soil.
Given the threat posed by runaway climate change, one would expect ambitious national and international action to reduce greenhouse pollution. But cities are out in front, taking action to reduce their own climate impacts with or without federal support. From New York to Seattle, cities are adopting efficient building standards, taxing carbon, switching to energy-efficient street lighting, promoting local food, and financing building-scale conversion to solar energy.
Cities are responsible for a new surge in bicycling, not just on the crunchy West Coast, but in old industrial cities. In September, Bicycling Magazine named New York the number-one U.S. city for bicycling, noting its hundreds of miles of bike lanes, ambitious bike-share program, and long-term commitment to cycling. “One million more people will come to New York City by 2030, and there’s simply going to be no more room for cars,” Janette Sadik-Khan, commissioner of the Department of Transportation, told Bicycling.
Chicago, named number two, is set to meet its goal of creating 100 miles of protected bike lanes by 2015, and it will soon have the nation’s largest bike-share program.
These developments are in part thanks to enlightened city officials, including those looking for low-cost ways to attract young, entrepreneurial residents.
But cities are getting more bike-friendly in large part because of persistent pressure by activists. For more than 20 years, Critical Mass bike rides have taken over streets in more than 300 cities around the world, with large groups riding together and claiming the right to a safe ride.
Chicago will have built 100 miles of protected bike lanes by next year, and the Chicago Streets for Cycling Plan 2020 calls for a 645-mile network of bikeways, up from the current 215 miles, to be in place by 2020. The goal is to make sure every city resident is within a half-mile of a bike path. Photo by John Greenfield.
A citizens’ group in Minneapolis made the point about bike safety by building pop-up bicycle-only lanes, using DIY plywood planters to separate the bike riders from automobile traffic. Bicycle advocates in Atlanta, Denver, Oakland, Calif., Fargo, N.D., and Lawrence, Kans., followed suit.
These urban climate solutions are not only homegrown. Increasingly, cities are sharing their best climate innovations. In September, the mayors of Philadelphia, Los Angeles, and Houston announced the Mayors National Climate Change Action Agenda. The initiative will be built on other urban collaborations, including the U.S. Conference of Mayors, the C40 Cities Climate Leadership Group, and the Urban Sustainability Directors Network.
Responsive to the poor and excluded
Cities are leading in other realms, too, where the federal government has failed to act.
Immigration reform is stalled at the national level. But Los Angeles, San Francisco, New Haven, Conn., and New York City are issuing identification cards to undocumented residents, allowing them to open bank accounts, sign leases, and access city services.
On issues of poverty and inequality, cities have a mixed track record. Some neglect poor and minority neighborhoods or steer polluting projects and noisy highways to those areas. Others promote policies that displace the most vulnerable residents, making desirable land available to the wealthy and well-connected. Some cities have even criminalized homelessness.
But in many cities, strong people’s movements are electing leaders with a greater connection to the poor and middle class.
The top 1 percent of New Yorkers took in 32.3 percent of the city’s total personal income; the bottom 50 percent shared just 9.9 percent.
New York City, one of the most unequal cities in the country, is a case in point. The top 1 percent of New Yorkers took in 32.3 percent of the city’s total personal income in 2009, according to the city’s comptroller. The bottom 50 percent shared just 9.9 percent.
But organizations like the Working Families Party have spent years building a grassroots power base, and their work paid off when they helped elect Mayor Bill de Blasio in November 2013. Today, de Blasio is working to boost the minimum wage and is requiring developers to offer affordable housing. And thousands of new prekindergarten slots opened up this fall, with the goal of universal access to free pre-K.
Richmond, Calif., and Newark, N.J., also have progressive mayors elected in cities with strong popular movements. Both were hit hard by the foreclosure crisis and the predatory lending that especially targets poor people and people of color. And both cities are now exploring using eminent domain to reduce home mortgages to current market value and restructure loans so that current homeowners can retain ownership.
Seattle is leading the nation by raising its minimum wage to $15 an hour, following a successful grassroots initiative in the nearby city of Sea-Tac, and an insurgent city council race that focused on a higher minimum wage. Popular movements across the country are pressing for better pay and human rights for the working poor.
Why cities?
What is it about cities that enables them to move forward while the nation as a whole is stalled?
Benjamin Barber, political scientist and author of If Mayors Ruled the World, thinks a lot about what makes urban leaders effective problem solvers.
City leaders can’t afford to be ideologues, Barber said in an interview with YES! Magazine. “Their job is to pick up the garbage, to keep the hospitals open, to assure fire and safety services and that police and teachers do their jobs.”
This pragmatism requires civility. “Mayors simply can’t afford to trade in bigotry,” he said. “A businessman like [former New York Mayor Michael] Bloomberg has to deal with the unions, and a progressive like de Blasio has to deal with business and developers.”
“Cities are points of intersection, communication, sharing, and travel. Cities have always contained multitudes.”
Perhaps this focus on getting work done explains why nearly two-thirds of Americans polled by the Pew Research Center have a favorable view of their local government, at a time when just 28 percent approve of the federal government.
Along with pragmatism, cities have the advantage of multiculturalism and the innovative spark that goes with it, Barber says. “Cities are points of intersection, communication, sharing, and travel,” he said. “And cities have always—to paraphrase Whitman—contained multitudes.”
Nations, on the other hand, are a more recent idea, more oriented around independence than interdependence, and more competitive. “The last 400 years of nation-states ruling the world has gone very badly, with war, genocide, rivalry, and very little social justice as a consequence,” Barber said.
Cities are solving problems while nation-states are failing, Barber said. So it’s time to put cities in charge. Of the whole world.
Barber laid out a plan for a global parliament of mayors in his recent book, and now he’s working with city officials on bringing the idea to reality.
Should cities rule the world?
Mention global governance, and some people imagine black helicopters. But Barber insists he is not proposing a top-down system. Instead he sees mayors and other city leaders reaching consensus on solutions and then bringing the policy ideas home. The result, he said, would be a sort of horizontal, pragmatic, noncoercive form of global governance.
Cities could agree on a universal minimum wage, for example. Such a move would remove incentives for companies to relocate to low-wage regions. Metropolitan regions are where most economic activity is happening, Barber said. So if enough cities agreed on a minimum wage, companies would just have to pay it, thus helping to alleviate poverty and inequality.
If Detroit were redefined to include the well-off suburbs, it would be the fourth most prosperous U.S. metropolitan region.
A first step in making this vision a reality is to incorporate the suburbs and central cities into metropolitan regions. Such a move would make sense for cities whether or not they rule the world. If Detroit, for example, were redefined to include the well-off suburbs, instead of being bankrupt, it would be the fourth most prosperous metropolitan region of the United States, Barber said.
From that foundation, cities could lead even in arenas like immigration that are not normally part of urban decision-making. If more cities begin issuing their own immigration documents, “you’re going to have a fast track to citizenship inside cities, since 85 or 90 percent of undocumented workers are in cities,” Barber said.
A global parliament of cities “is a means to regulate the global economy, address climate change, deal with immigration and global trade,” he said.
It’s a bold idea that is capturing the imagination of an international group of urban leaders. On Sept. 19, mayors, city planners, and others met in Amsterdam. If all goes as hoped, Barber said, 600 mayors could join him in London in September 2015 to launch a pilot parliament.
Not everyone thinks cities are up to the challenge. Following the Amsterdam meeting, Reinier de Graaf, a Dutch architect and city planner, wrote in European Magazine, “The current vitality of cities is largely based on the luxury that more heavy duty political responsibilities are kept at bay.”
But British journalist Misha Glenny found the proposal intriguing. In a column for the BBC he wrote: “This group of can-do politicians may end up rewriting constitutions across the globe … by doing what they always have—getting on with the job.”
The idea is worth exploring when so much else isn’t working, Barber said.
“In a time of pessimism about democracy, pessimism about government, a sense of too many problems, I believe the cities movement is a powerful note of hope and optimism,” he told YES!
“Moving the focus from states to cities is a new brief for democracy,” he said. “It’s a new brief for hope. And a new sense that maybe we can, after all, control some of the forces that seem to be pushing us toward an unsustainable, unjust world, so we can move instead in the direction of the more sustainable and more just world.”
Sarah van Gelder wrote this article for Cities Are Now, the Winter 2015 issue of YES! Magazine. Sarah is co-founder and editor in chief of YES! Magazine.
UFO Fleet Over Pasadena, Texas On Nov 8m 2014, UFO Sighting News.
Date of sighting: November 2014
Location of sighting: Pasadena, Texas, USA
I got a comment today about a UFO sighting in south east down town Dallas, Texas on Nov 19, 2014 at 9:50 am, and they asked me if I had heard anything. I hadn’t, but I did find this today. Hope it helps. SCW
Eyewitness states:
Pasadena, Tx UFO SIGHTING, group of 50+ UFOS in DAYLIGHT , I recorded them my self with my own phone, at around 12 , the sun was out, I was at a red light staring at the sky and they appeared out of no where, at first they were not moving and just standing there then I parked in a parking lot and they were making weird shapes and shining , then they started moving and making triangles and shapes, didnt get to record the whole thing, but I got something, when they dissapeared there was 3 jets in the sky going the same diretion as the ufos!
(NaturalNews) With so many different types of cookware on the market today, making the best and safest choices for our families can be a challenge. But tried-and-true cast iron is still among the most durable and non-toxic types of cookware available — and if you know how to use it properly, it can be just as easy to use and clean as the much more convenient but chemical-laden varieties branded as “non-stick.”
Cast iron is about as classic as it gets when it comes to durable cookware. And if properly cared for, it can last a lifetime and be passed down from generation to generation. But a common complaint is that food tends to stick to pure cast iron since it hasn’t been layered with Teflon or other non-stick surfaces, which often contain perfluorinated chemicals, or PFCs, that release noxious fumes into the air and leach toxic substances into food.
Stainless steel cookware is one safer option, but if scratched it, too, can leach nickel and other undesired substances into food. For pots and pans, stainless steel is still an excellent choice, as is copper, but when it comes to frying pans and griddles, cast iron is probably your best bet, and here’s why.
Cast iron gets better over time
On his blog, permaculture aficionado Paul Wheaton explains how to select quality cast iron cookware, how to properly care for it, and how to make it not only last but thrive. Unlike most other types of cookware, cast iron actually gets better over time when it is regularly scraped and seasoned. Individuals with anemia or iron deficiencies can also benefit from the iron found in cast iron.
According to Wheaton, the best types of cast iron are older pieces found at garage sales and online trading sites like Craigslist and eBay. Many older cast iron pieces were machine surfaced to be smooth, as opposed to the rough surfaces found on newer cast iron cookware. Older skillets have also typically been seasoned over many years of use, meaning they have already been “broken in.”
“Many of the experienced cast iron folk [recommend] buying a heavily used skillet,” he wrote. But if a new skillet is your only option, he recommends using a stainless steel spatula with a flat edge to “take the ‘peaks’ off as the ‘valleys’ fill with ‘seasoning.'”
Bacon grease, palm oil excellent for seasoning cast iron cookware
Properly “seasoning” a cast iron skillet involves allowing natural cooking oils to permeate the cooking surface without washing them off after each use. This process is unique to cast iron, and it allows a smooth polymerized fat surface to form, making the cooking surface slick and easier to clean.
In Wheaton’s experience, saturated fats like bacon grease and “organic shortening” (palm oil) that remain solid at room temperature tend to work best at creating the ideal cast iron cooking surface (though we don’t recommend pal oil for anything). Hydrogenated oils are toxic and should thus be avoided, and mono- and polyunsaturated fats tend to leave the cooking surface sticky.
Seasoning cast iron with saturated fats also helps protect the surface against rust, which can form when pans aren’t properly dried after use. Wheaton recommends heating cast iron pans on the stovetop to remove excess water, as towel drying typically won’t get it dry enough. If rust, pitting, or caked-on gunk is already present, Wheaton advises using the self-cleaning option on your oven to literally bake off the crud.
Glowing Object During Daytime Over Oklahoma City On Nov 19, 2014, UFO Sighting News 3 Videos.
Date of sighting: November 19, 2014
Location of sighting: Edmond, Oklahoma City, Oklahoma, USA
Sure this could be a meteor and the chance of it being a meteor does outweigh it being a UFO, but I do know from research that some UFOs do make cloud trails in the sky and can mimic meteors when entering our atmosphere. The trail is not broken up nor is there pieces of the object falling off. This is one solid object. How better to enter a primitive planet during the day and not being noticed? Just make your ship appear as a meteor. SCW
1st Eyewitness states:
Look what i was lucky enough to capture this morning. Flew right by and north towards Edmond.
2nd Eyewitness states:
Posting this a little late but I saw this flying through the sky this morning. Kind of cool and eerie at the same time.
3rd Eyewitness states:
Caught this when I was taking the garbage out this morning! I assume this is a meteor from the comet that passed by earlier this week?
The winds of change have shifted this month, allowing more forward movement and a reprieve from October’s erratic energies. If you’re not yet feeling like it’s smooth sailing, one reason is the time distortion we’re experiencing.
Clock time can tell you one thing, yet your own inner sense of time may have you feeling either behind time or urgently wanting to be ahead. The overall effect can be a sense that you aren’t quite in tune with where you need to be. You may simply want to stop the merry-go-round of time altogether!
You really cannot stop the march of time, of course, but there is plenty that you can do to keep your equilibrium. In fact, in this last stretch of 2014, it is essential that you discover how to make friends with time and change.
Divine Changemakers and Time
Your empowerment as a divine changemaker is integrally linked to mastery of the two connected energies of time and change. Empowerment, after all, is experienced as you become practiced navigating life’s fluctuations – increasingly finding your center and an inner place of calm regardless of circumstances. Only in a state of calm can you effectively meet the next surprise or challenge and respond in the highest way. Only by being present and in your heart can you have clarity about what you face and wisdom to know how to meet what you see.
3 Reminders about Time
Here are three reminders about time. Keep these in mind during this hectic season in order to have more inner peace.
First, realize there indeed is clock time and there are many practical reasons for synchronizing clocks – like to meet your friend for dinner or arrive at the airport before your plane departs.
Second, clock time is a linear measurement. You are a quantum being, so don’t measure your potentials by clocks – think bigger. Apply a quantum perspective to the hour you have before a meeting, allowing a vast reservoir of creativity to bubble up into your consciousness – doing in one hour what could have taken you all morning.
Third, consider the cycle or season. This time each year, holidays and end-of-year deadlines can distort the sense of time. There is often a flurry of activity, everyone around you busy with something, perhaps excited, and seeming in a rush. This comes with a palpable feeling and it can be catching!
3 Tips to Master Time
Here are three ways to master time in these moments. Work with these daily between now and the end of 2014 to become more resourced creating the life of your dreams!
First, do your best to ground and center several times a day. If you aren’t sure if you are grounded, you probably aren’t. Sitting or standing, focus on your heart and a line of red energy running down your body into the sacred Earth.
Second, when you consider timed activities, decide that you will approach the clock in a quantum way – this means you are both practical and respectful of self and others and also means you refuse to let your creativity be enslaved by time. You remember that your creativity and inner wisdom sourced from spirit come in unbounded ways!
Third, you remain mindful of pack mentality and the tendency to get caught up in the season’s senseless rushing. If something is truly urgent, of course, then apply your best efforts to attend to it with high importance. Remember, however, that many things really aren’t that big a deal!
Copyright 2014 by Selacia – author of Earth’s Pivotal Years, healer, and teacher * All Rights Reserved * www.Selacia.com * Feel free to share these articles with your friends and post to your blog or website as long as you include this copyright line and the full article text.
If you can believe it, we’re now in the fourth month for the Icelandic eruption that started north of the Bárðarbunga caldera in Iceland. The world watched and waited for this eruption after weeks of intense earthquakes, but since the eruption began in late August, we’ve had a nearly constant stream of basaltic magma eruption from the fissures in the Holuhraun lava fields between Bárðarbunga and Askja. This eruption has drifted from the headlines because the eruptive activity itself has been fairly tame — no giant ash plumes to disrupt air travel across Europe, but instead just a steady flow of lava creating a new lava field that covers over 72 square kilometers (~17,700 acres; see below). You can watch some great slow-motion footage of the lava erupting at one of the main vents, taken October 27 by Karl Neusinger – it really shows the constant influx of lava from below that creates the impressive lava flow field. This eruption at Holuhraun now has the distinction of being the largest (by volume) in Iceland since the massive 1783-4 eruption of Laki (although Holuhraun trails Laki by “only” 16 cubic kilometers of lava!)
The biggest hazard produced by the eruption so far has been to the air quality in Iceland, where the sulfur dioxide emissions from such a constant and vigorous basaltic eruption has meant that people have been required to stay indoors during much of the summer and fall months on the island nation. Analyses of the rainwater in Iceland over the past months show that as much as 40% of the rain that has fallen is acidic (pH <7) with some rain as low as pH 3.5 (as John Stevenson put it, that’s like grapefruit juice rain).
At Bárðarbunga, the floor of the caldera has continued to subside during this whole eruption without much signs that any eruptions have occurred under the ice that fills the caldera (however, the increased heat from the geothermal system may have melted some of that ice). That, in itself, is interesting and tells us something about how some of these Icelandic calderas can form. Instead of the catastrophic events that many people envision for caldera formation (e.g., Crater Lake), these are slow subsidence events that might takes months to occur. Calderas at other large shield volcanoes have also formed in this fashion, but to be able to measure the motion so precisely is a great scientific bonanza. Large earthquakes are still occurring under the caldera as well, with a M5.4 happening just yesterday (November 18).
The NASA Earth Observatory recently posted an image of the plume from the Holuhraun fissure that shows how the plume itself might interact with the clouds around the eruption. More likely than not, eruption plumes can play a role in cloud formation and distribution around a volcano.