Eruptions

Archives for August, 2010

A new Weekly Volcanic Activity Report from the Smithsonian and USGS Global Volcanism Program! Highlights from this week’s report include: Things are getting a little noisy in Colombia. I mentioned a few weeks ago about a possible explosion at Nevado del Ruiz. Now we have reports of increased seismicity under nearby Cerro Machín and ash…

Eyjafjallajökull erupting in the spring of 2010. I have a request for all of you Eruptions readers! In a few weeks I will be giving a talk here at Denison on the Eyjafjallajökull eruption and especially the aspects of how the eruption unfolded on the web. I think the shared experience of the seismicity, fissure…

Mt. Hood in Oregon, taken August 2008. Image by Erik Klemetti. Click on the image to see a larger version. Quick news! I’m not going to go into too much depth right now about the recent study published in Nature Geoscience on Mt. Hood in Oregon – I plan to talk about it more in…

Mt. Elbrus in southern Russia, one of the active volcanoes in the Caucasus Mountains. (Note the prominent flow levees sticking out of the snow cover on the dacite lava flow in the middle of the image.) Most people (including myself) aren’t fully aware of the active volcanoes in the Caucasus Mountains, but sure enough, there…

Continuing my series where I try to define words of volcanic interest, the new Eruptions Word of the Day is a favorite of mine, mostly because my undergraduate thesis on Vinalhaven Island in Maine ended up dealing with a lot of these types of deposits … so, without further ado, the word is peperite! Now,…