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19 April 2016
Common sense and volcano tourism
It’s not very often that I comment on news articles, but a reader of the blog recently brought this one to my attention, and it hits close to home. The article is in the Washington Post’s Travel section and is entitled, “In Guatemala, a treacherous hike to one of the world’s most active volcanoes”. That title pretty much covers why I’m so upset – and conflicted – about the author of the piece is writing about.
15 March 2010
Looking backward: Past eruptions at Volcán Santa Maria
On our way to visit the Santiaguito Volcano Observatory, Gustavo Chigna of INSIVUMEH (the Guatemalan equivalent of the USGS) was kind enough to take an afternoon off and show us some of the older deposits near Santiaguito. Our first stops were at an exposure of the air-fall deposit from the October 24, 1902 eruption of Volcán Santa Maria. This eruption was a devastating one, stripping the land for more than …
16 February 2010
Dome collapses
In light of the recent dome collapse at Soufriere Hills, I thought I’d expound a little on the subject, which is a major part of my research. Lava domes, if they last long enough, tend to go through cycles of growth and collapse. These can be relatively short, like the domes at Soufriere Hills or Mt. St. Helens (remember, a few years is short even on a volcanic timescale), or long, …
22 November 2008
Taking a volcano’s temperature
While running through my RSS feed, I came across this National Geographic article about using thermal infrared imaging to monitor and forecast volcanic eruptions. I’m currently working on a project that involves using satellite imagery to detect and map hydrothermal alteration products in a volcanic dome, so I was definitely interested, especially because the scientists involved are using data from the same instrument that I am. First, I have to …
20 June 2008
How safe is too safe?
As many of our posts suggest (see A Carnival of Death-Defying Geologists), we can sometimes be a little lax in our safety standards. I have yet to meet a geologist who hasn’t at least gotten sunburned or a little dehydrated on a long hike, or bashed a finger with a rock hammer, or spilled dilute HCl on themself in lab. Geology is not a particularly safe job, although we do …
11 January 2008
Disturbing developments
Well, I’ve just seen something in the news that reinforces my opinion of how far some of our government representatives have moved on from sanity (or at least from representing the interests of some of their constituents). I’m sure this is a rather polarized issue, but I’ll risk dissenting commentary, because I think it needs to be brought to peoples’ attention. (Gun owners: I personally do not own a gun …