One of the things that tends to grab my interest is large natural catastrophic events, insults to the earth that cause large geologic and population changes over a wide area. Volcanoes fit that bill via massive eruptions and even more massive Large Igneous Provinces. These have been linked to global extinction events and abrupt shifts…
The four islands between Oahu and the Big Island of Hawaii are the remnants of a large volcanic edifice, referred to as Maui Nui, literally Big Maui. At its height some 1.2 MY ago, it was about 50% larger above sea level than the current Big Island of Hawaii. Following that peak the normal cycle…
Okay… what is a ruminarian? Well, figuratively, we all are. “Ruminate” is a slang term for standing around, thinking about something. I adopted/co-opted the word to describe our activities, in part because it’s what we do, and also due to the sheep nature of the blog, following a hapless sheep incident that someone observed on…
It does not take long for a newcomer to volcano-watching, if we are to call our hobby that, to come across the term “caldera”, cauldron. The term is very loosely used to describe large volcanic depressions ranging from volcanic craters a few hundred metres in diameter up to the huge depressions left behind by the…
Yesterday, the Bardarbunga crisis celebrated its first month. As our readers have already remarked, the IMO has put out an update that summarises the earthquake data over the past month. In all, some 25,000 earthquakes have been registered by the automated system of which no less than 5,900 have been manually checked by a seismologist.…
VolcanoCafé 
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