The Askja caldera in Iceland, with Viti crater in the foreground. Note the people bathing in the hydrothermal waters in the crater.
Boaworm / Wikimedia Commons on August 1, 2010. The earthquake swarm (and likely didn't cause an eruption just yet) that started on August 16 on the edge of Vatnajökull in Iceland continues. The Icelandic Meteorological Office reports that hundreds of earthquakes are still occurring under Bárðarbunga along with the northeastern edge of Vatnajökull, under Dyngjujökull and 5 km out beyond the edge of the ice cap. Larger earthquakes are still occurring around the ring fault of Bárðarbunga, including a M5.7 at about 6 km depth beneath the volcano. Overall, it looks like the IMO models (based on the earthquake swarm and deformation data) for this intrusion of basalt now estimates about 0.35 cubic kilometers of basalt have entered the upper crust under the region experiencing this increased seismicity. ...
