August 21, 2014
Infrasound reveals lava lake levels
The rises and falls of volcanic lava lakes are not easily tracked, especially when the lakes aren’t visible from crater rims. But recently, …
The EARTH archive
Infrasound
Explore the archive by subject.
2 articles · Page 1 of 1
July 16, 2013
Alaskan volcano doesn't just huff and puff, it screams
In March 2009, Alaska’s Mount Redoubt awoke from two decades of silence with something to say: A series of small earthquakes leading up to the …