April 30, 2015
Sensors on the ocean’s floor installed by UW researchers show that late on April 23, a seismic event took place on the 3,000-foot underwater volcano off Oregon’s coast.
July 14, 2013
Swarms of small earthquakes before a volcanic eruption can come in such rapid succession that they create a signal called harmonic tremor. A new eruption analysis from Alaska’s Redoubt Volcano shows the harmonic tremor glided to higher frequencies, then stopped abruptly just before six eruptions in 2009.
December 3, 2012
The Kamchatka Peninsula and Kuril Islands, long shrouded in secrecy by the Soviet government, are a seismic and volcanic hotbed with a potential to trigger tsunamis that pose a risk to the rest of the Pacific Basin.