Rapid inflation at Grimsvötn

I have been tracking what is happening at Grimsvötn since the last eruption and the entire hubbub at Bárðarbunga. If you look at the GFUM GPS station you can see the slow and steady inflation speeding up a bit before the intrusion into the Bárðarbunga system started. In the days prior to the intrusion the…

Bardarbunga Update 20140903

  Since the appropriate Icelandic authorities have today publicly mentioned the possibility of a large, acidic and explosive eruption at Bardarbunga, we now feel free to inform you that this possibility has been discussed by the Dragons, behind closed doors, for well over a week. The key information comes from this official IMO graphic: The…

Kelud: Alert level Orange

Today, 10 Feb 2014 PVMBG (Pusat Vulkanologi dan Mitigasi Bencana Geologi) raised the alert status of Kelud mountain (Kelut, Gunung Kelud) to level III (of IV) from yellow alert (waspada) to orange alert (siaga). Gunung Kelud is a 1,731 m high stratovolcano located in East Java in Indonesia. Like many Indonesian volcanoes and others on…

Okmok – Another Aleutian Caldera

We here in Alaska tend to pay attention to volcanic activity, partly because parts of the state get regularly dusted, and partly because Alaska was home to one of the largest eruptions in the 20th Century – Katmai – Novarupta a century ago.  As you travel down the Alaska Peninsula into the Aleutians, you run…