SI/USGS Weekly Volcano Activity Report for 10/21-27/2009
The new volcano activity report from the Smithsonian/USGS has news of eruptions from Colombia, Russia, Mexico and Ecuador.
I write the Eruptions blog on Big Think. I've been mesmerized with volcanoes (and geology) all my life. It helps that part of my family comes from the shadow of Nevado del Ruiz in Colombia, where I could see first hand the deadly effects of volcanic eruptions. Since then, I've taken a bit of a winding path to become a volcanologist. I started as a history major at Williams College, almost went into radio, but ended up migrating to geology, including an undergraduate thesis on Vinalhaven Island, Maine. I followed this up by changing coast to get my Ph.D. from Oregon State University. Then I ran a MC-ICP-MS lab at University of Washington for a spell (and wrote for an indie rock website). I spent three years as a postdoctoral scholar at University of California - Davis studying the inner workings of magmatic systems. I am now an assistant professor at Denison University and have projects in New Zealand, Chile and Oregon.
I am fascinated by volcanoes, their eruptions and how those eruptions interact with the people who live around the volcanoes. I started this blog after getting frustrated with the news reports of volcanic eruptions. Most of them get the information wrong and/or are just sensationalistic. I will try to summarize eruptions as they occur, translate some of the volcanic processes that are happening and comment on the reports themselves.
And no matter what people tell you, I definitely do not have a cat named Tephra. (OK, I do).
You can find out more about my research by visiting my website. If you have any comments, questions or information, feel free to contact me at eruptionsblog at gmail dot com.
- Nevado del Huila in Colombia has been showing signs that a new eruption might be starting. Seismicity has increased and minor ash fall has been reported, leading to an increase in the alert level at the volcano to "orange" (high). \n
- Ebeko in the Kuril Islands off Russia and Japan produced a ~8.8 km / 29,000 foot ash plume. \n
- Thermal images of the crater at El Reventador in Ecuador show that hot material is filling in the dome complex - this followed ash-and-steam explosions earlier in the week. \n
- Santa María's Santiaguito (Guatemala) dome produced ash fall, avalanches and was strongly degassing over the last week. \n
- White and grey plumes reached up to ~4 km / 13,500 feet at Colima in Mexico.
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