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eklemetti | August 30, 2010Classes starting today, so I have to be brief:
Unique twin ash plumes from Sinabung in Indonesia, erupting on August 29, 2010.
Sinabung
The Indonesian volcano continues to experience explosions, which one last night (well, last night here in Ohio) that prompted an ash advisory for aircraft up to 6,100 m / 20,000 feet, although most reports I've seen pegged the ash column at closer to 2,000 m / ~6,500 feet. Eruptions readers have found a bevy of links for footage and information about the eruption, including a remarkable image gallery from the BBC that shows the volcano exhibiting two ash…
eklemetti | August 25, 2010Today was a doubleheader for volcanic eruptions in the news:
Today's explosive eruption from Mt. Etna. Image courtesy of the INGV.
As I briefly mentioned earlier, Galeras in Colombia had an "atypical" eruption - apparently meaning it was non-explosive - that has prompted evacuations and a change in the alert status to "Red" for the volcano. Various news sources don't have a lot of new information yet, but you can check on the report on the INGEOMINAS page (spanish) - and they have links to some of the Galeras news (audio, spanish) from their main page. Some of the latest reports from…
eklemetti | July 9, 2010Quick hits to wrap up the week:
Looking into a skylight at Kilauea. Image taken July 8, 2010, courtesy of HVO/USGS.
Following up some news about Changbaishan/Changbai caldera in North Korea, Yang Qingfu, director of earthquake and volcano analysis and forecast center with the seismology bureau of northeast China's Jilin Province, says that the volcano appears to be quiet and that there are no signs of an impending eruption - at least not in the next dozen years. The bigger news (in my mind) is that China will be installing full monitoring (gravity, deformation, electromagnetics, fluid…
eklemetti | June 17, 2010Have guests in town, so I'm a little busy, but you can hopefully keep entertained with the latest Smithsonian/USGS Global Volcanism Program Volcanic Activity Report.
Chile's Melimoyu volcano.
The highlights (not including Taal and Eyjafjallajökull) include:
Alaska's Cleveland volcano has been reduced to and alert status of "unassigned" (used when a volcano is not closely monitored so AVO doesn't know what exactly is "background") after a few weeks of activity. The same was done for the submarine volcano south of Sarigan in the Marianas Islands after no signs of activity since the eruption…
eklemetti | June 6, 2010Looking for some volcano news - you've found it.
A shot of volcano "tourists" near the erupting Pacaya. Photo by the Associated Press.
Eruptions reader Dr. Boris Behncke dropped a note that Kilauea has not one but two active lava lakes right now. The lava lakes can be seen on the webcams for the Halema`uma`u Crater and the Pu`u O`o flank vent. The latest status update from June 6th by the USGS Hawaiian Volcano Observatory talks about both the summit and rift activity (video) on Kilauea as well. Meanwhile, Hawaii 24/7 has a piece in the Volcano Watch series about whether residents of Maui…
eklemetti | May 31, 2010
Undated image of Bezymianny in Kamchatka.
Eruptions reader M. Randolph Kruger just let us in on a significant eruption at Bezymianny in Kamchatka. The AVO/KVERT alert for the volcano suggests a fairly significant explosive eruption that might cause some snarls in the international air travel over the Kamchatka Peninsula. The KVERT statement:
A strong explosive eruption of Bezymianny volcano occurred from 12:34 till 12:50 UTC on May 31, according to seismic data. Ash fall in Kozyrevsk village is continuing. The volcano obscured by clouds. A big ash cloud remains over Kamchatka at present (…
eklemetti | May 14, 2010Time to play a little catch up ...
Eyjafjallajökull erupting in early May. Image by and courtesy of Martin Rietze.
A brief update on our friend Eyjafjallajökull - the eruption plume from the volcano was considerably taller yesterday, reaching 6-9 km (20,000-30,000 feet), but prevailing winds meant the ash hazard was confined to areas in the middle of the North Atlantic and northern parts of the British Isles. However, even as the ash hazard for Europe wanes (for now), you shouldn't forget the amount of ash being dumped on parts of Iceland. If you want to see some stunning images of the…
eklemetti | May 2, 2010
Webcam capture of Eyjafjallajökull erupting on May 2, 2010. You can see the steam plume on the middle flanks of the volcano - this is likely a lava flow coming from the summit vents.
A brief update on activity at Eyjafjallajökull:
Overnight, the lava flows from Eyjafjallajökull could be seen in the crater of the ice cap - some of the images posted by Eruptions readers are simply stunning. You can clearly see the red glow of the strombolian eruptions at the vent, and the glow of the lava flows as they had down the slope of the volcano. This has brought a lot of new melting to the snow/…
eklemetti | April 19, 2010
National Geographic film crew near Eyjafjallajökull, April 18, 2010.
UPDATE 1PM EDT 4/19/2010: I can almost categorically say that Hekla is NOT erupting, contrary to Twitter or the brief banner on MSNBC. See my comment below (#68).
In what is sounding like a bit of a broken record, the eruption at Eyjafjallajökull is still going. However, we might be beginning to see some changes in the style of volcanism - even the first suggestion of lava flows at the new crater. As mentioned yesterday, since the eruption became subglacial, we've been seeing eruptions where water - in this case glacial…
eklemetti | April 17, 2010
The eruptive plume from Eyjafjallajökull taken Holsvelli webcam. Image courtesy of Mattias Larsson.
Sorry to disappoint everyone visiting to blog while they sit at any number of airports around the world, but the eruption at Eyjafjallajökull appears to still be going strong. The Icelandic Met Office is heading up to the volcano to conduct a survey of the crater area to find out (1) what it looks like and (2) how much new water (i.e., ice) is there available for the erupting magma. More water is likely to mean more explosive eruptions in this phreatoplinian style - however, like I…
eklemetti | April 16, 2010
The ash plume from the 2010 Eyjafjallajökull eruption.
To say that the Eyjafjallajökull eruption has become the most significant volcano-related news story of the year would be an understatement. There has been wall-to-wall coverage on every major media outlet, dissecting everything from the effect of ash on jets, to the effect of ash on people, to wildly premature commentary on the climatic effect of the eruption to the potential place in history of this event. The eruption is affecting a wide swath through society: the European economy may take a hit of billions of dollars due to…
eklemetti | April 15, 2010
The ash from the Eyjafjallajökull eruption as it spreads over Europe on April 15, 2010.
The newly-subglacial Eyjafjallajökull eruption of 2010 has now begun to be felt outside of Iceland. The ash being thrown into the atmosphere from this explosive phase of the eruption has prompted officials in the United Kingdom, Ireland and Norway to close the airspace above their nations due to the threat that ash poses to jet aircraft. Remember, the silica glass shards that make up most ash can melt inside jet engines, causing them to stall - which could lead to crashing. Luckily, so far we have not…
eklemetti | April 14, 2010
The steam and ash plume from the Eyjafjallajökull subglacial eruption that started early morning, April 14, 2010.
Well, after the brief respite when there was speculation Eyjafjallajökull-Fimmvörduháls eruption might be over, we now know what was going on. After the original fissures ceased activity, the magma found a new route to the surface, this time underneath the Eyjafjallajökull glacier. Eruptions readers last night watched as an earthquake swarm arrived underneath the icecap, which prompted Icelandic officials to start evacuating people from the area around the volcano (photo…
eklemetti | April 8, 2010The eruption at Eyjafjallajökull-Fimmvörduháls continues on - the explosive spatter and bomb eruptions at the new central vent (on the second fissure) were impressive all night, making the hikers/cars/aircraft look like mites in comparison. This eruption has, so far, followed the pattern of Hawaiian-style volcanism quite well, so I thought it could be a good time to talk about what exactly Hawaiian-style volcanism is. There is a sequence of events that leads up to and follows the start of an Hawaiian-style eruption - although this sequence can stop at any point along the way - but it is…
eklemetti | April 5, 2010Quick hits for a Monday morning (however, the week did have a good start).
Lava fountaining on March 27, 2010 at the Eyjafjallajokull-Fimmvörduháls eruption in Iceland.
The Eyjafjallajokull-Fimmvörduháls eruption is still going strong with two active fissure - and a lot of tourists poking around as well. If you watch the webcams closely, you can even see the cars and hikers trekking up near the erupting basaltic fissure (except today, as there seems to be a blizzard). Not to say that people are getting a little, well, nonchalant, but there is a story of serving meals cooked on lava up…
eklemetti | March 31, 2010Superfast entry as I run out the door but ...
The new vent that opened on March 31 at Fimmvörðuhálsi in Iceland. The old vent is to the right in the image and new to the left. Image captured at 5:45PM EDT.
A second fissure has opened at the Fimmvörðuhálsi eruption in Iceland. Check out the webcam and you can clearly see a new set of vents (Icelandic - try Google Translate) on the left hand side of the image - and that wasn't there earlier today. You can see an image of the new vents here.
Thank you to all the Eruptions readers who have been keeping us posted!
eklemetti | March 29, 2010Busy busy today, so just a brief update on the ongoing Fimmvörðuháls/Eyjafjallajokull eruption in Iceland.
The coalesced vent of the Fimmvörðuháls fissure eruption in late March 2010.
The eruption is still going, albeit potentially with a little less vigor than before - and you can watch it on the Vodafone webcam, along with these other webcams from Mila.is. Haraldur Sigurdsson says that the eruption may have peaked (Icelandic) and is ~25% less vigorous than it was a few days ago, but this could change without notice. A fairly significant, long, low scoria cone has formed and lava…
eklemetti | March 24, 2010
The fissure vent eruption near Eyjafjallajokull in Iceland. Image by Ãorsteinn Gunnarsson, March 22, 2010.
It has been hard to keep up with the flood of news from the Eyjafjallajokull eruption in Iceland. Eruptions readers have done a good job with getting new images, videos and info up as they happen, so you might want to peruse the comments for those sorts of tidbits (along with discussion of what might be happening).
Here is the latest:
The eruption at Fimmvörduháls (considering the eruption is actually occurring between the ice caps) could last weeks to months, which isn't too…
eklemetti | March 20, 2010
A shot from the Hekla webcam showing the glow from the eruption of Eyjafjallajökull that started March 20, 2010.
Quick note, but for those of you who have been following the seismicity at Eyjafjallajökull in Iceland, there is news from Iceland that an eruption has started. I will post more details as I can find them, but so far, evacuations have commenced near the volcano. It sounds like the eruption can be seen coming through the glacier on the volcano, but any real details of the style of volcanism are unknown. This is the first known eruption of Eyjafjallajökull since 1823.
UPDATE 9:40…
eklemetti | March 7, 2010
Mt. Baker in the northern Cascades of Washington.
One of the best websites dedicated to any volcano is the Mt. Baker Volcano Research Center - hosted by Western Washington University. I've talked about it before, but David Tucker and his associates have put together an excellent resource on this (at least in my opinion) woefully underappreciated Cascade volcano.
There is a pile of news from the MBVRC and I thought I'd pass it along.
First off, the 2010 T-shirt design contest has kicked off. Last year the MBVRC raised much needed funds with a T-shirt sale and now you can try to design the…