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I tackle questions from you, the Eruptions audience. In this mailbag: what makes Chaiten so special, what is the volcanic legacy of the Appalachians and where did all this magma come from anyway?
What happens when you drill into an active magma body? Well, not as much as you think, but it is still awesome, nevertheless (especially when your officemate does it).
The ongoing growth of the dome(s) at Shiveluch are continuing to produce some impressive ash columns.
They’re not calling it the end, but the activity at Redoubt seems to be waning significantly over the last month.
A wrap-up of the weekend’s volcano news, including undersea volcanoes in Greece, images of the June eruptions at Anak Krakatau, video of the Kilauea lava lake and news on the passing of the founder of the Global Volcanism Program, Tom Simkin.
The eruption at Sarychev Peak in Russia has already begun to divert and delay flights from North America to Asia and the extent of the eruption is unclear.
Eruptions readers worldwide are reporting flight disruptions due to the activity at Sarychev Peak. UPDATED with more satellite images of the eruption!
Rumors of ash falls seem to be everywhere in Costa Rica, but so far, none have panned out. However, Arenal is rumbling enough to prompt evacuations of tourists from the national park surrounding the volcano.
The latest in volcano news from around the world, this week including sizeable ash plumes in Peru, Indonesia and Russia, a measurement of the dome at Redoubt and things calming down at Galeras.
Sarychev Peak is now the number “sulfur dioxide” event of 2009, with a plume reaching out eastward over the Pacific. Meanwhile, the ash is causing many an unhappy air traveler over the last few days.
The eruption appears to be waning and NASA has released possibly the most stunning volcano image I’ve seen in years.
Some volcanic news bits, including more eruptions from Barujari in Indonesia, how geothermal energy could save Iceland and the results of the next Volcano Profile poll.
Got a volcano questions that’s been bugging you? Send it my way for the Eruptions Mailbag.
Eruptions will be on a little break for a week … but before that, a few updates including fire fountains at Slamet.
More earthquakes in western Saudi Arabia and now the SGS has started posting daily updates on the seismicity.
Is Mt. Saint Helens apt to become a “supervolcano”? My bet is on “no” … sorry!
A new eruption in the Kuril Islands that started last week could potentially threaten Pacific Rim air traffic – and NASA has some impressive images of the eruption from space.
The impressive 2009 dome oozes its way downslope, but no collapse yet as the eruption continues at Redoubt.
Settlers are being evacuated from near Karangetang in Indonesia as it erupts again.
Seismicity under the Harrat Lunayyir volcanic field in Saudi Arabia persists, with magnitude 2 to 3 quakes over the weekend.
Turrialba, one of the largest volcanoes in Costa Rica, continues to show signs of unrest that might be leading to its first eruption since 1866 (or was it 2007?)
A special “Miércoles Materia” edition, with updates from Colombia, Ecuador and Peru.
No less than eight volcanoes are erupting in Indonesia right now, all (or most) part of the latest USGS/SI volcanic activity update.
Vote for the next volcano to be profiled on the blog!
There are some signs that the new dome at Redoubt might be beginning to crumble in a piecemeal fashion, but nothing dramatic so far.
Shots of the lava lake at Nyiragongo, explosions at Ubinas and Yellowstone, another volcano in Indonesia goes on higher alert and earthquakes swarms galore!
The USGS/SI weekly volcano update, including a lot of activity in Indonesia, lahars in Guatemala and much more.
Did a volcano in China cause the great Permian extinction? Maybe. Maybe not. We do know that a giant new undersea volcano was found off Indonesia and volcanoes continue to rumble worldwide. UPDATED!