Some volcanoes 'scream' at ever-higher pitches until they blow their tops

Sunday, July 14, 2013 - 20:00 in Earth & Climate

Swarms of small earthquakes can precede a volcanic eruption, sometimes resulting in "harmonic tremor" resembling sound from some musical instruments. A new analysis shows tremor during a 2009 sequence at Alaska's Redoubt Volcano glided to substantially higher frequencies, then stopped abruptly just before six of the eruptions.

Read the whole article on Science Daily

More from Science Daily

Latest Science Newsletter

Get the latest and most popular science news articles of the week in your Inbox! It's free!

Check out our next project, Biology.Net