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22 April 2013
As geologists, we spend a lot of time looking for the big picture. We want to know how a mountain range formed, or where tectonic plates were millions of years ago, or what global repercussions an eruption could have, or what effect the melting of an ice sheet could have on sea level around the world. We think about time in boggling spans that far exceed anything we could experience in a single lifetime – millions, even billions of years. And we are always trying to tell far-reaching stories to explain the history of our planet, using words and figures and photos.
26 October 2012
Today is the 110th anniversary of the second-largest eruption of the twentieth century – and if you don’t normally read this blog, it’s a good bet you’ve never heard of it. I’ve written about it before, but never on the date of the event! The culprit? Volcan Santa Maria in Guatemala. In October of 1902, following several months of significant earthquakes, Santa Maria experienced a VEI 6 Plinian eruption that completely devastated the countryside for miles around (much of it was, as it is now, covered with coffee plantations and small farms).