Alaska volcano

A Volcano's Scream
10:51 pm
Mon July 15, 2013

Before an Eruption, Scientists Record a Volcano's Primal Scream

Mt. Redoubt erupted violently in 2009, after letting out a primal "scream."
Max Kaufman Alaska Volcano Observatory/University of Alaska Fairbanks Geophysical Institute

Most volcanoes rumble before they erupt, but Washington and Alaska researchers say a big recent eruption was preceded not by a rumble, but a scream.

Alaska’s Mount Redoubt blew its top several times in 2009. Leading up to many of the explosions were a series of little earthquakes—not uncommon for an active volcano. But these quakes began to accelerate, one after another, like a drumbeat building to a climax.

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Alaska volcano
5:18 pm
Tue June 19, 2012

Alert level raised for remote Alaska volcano

ANCHORAGE, Alaska — The alert level for a remote Alaska volcano has been raised after an apparent ash-producing explosion Tuesday afternoon.

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Alaska
11:48 am
Wed February 1, 2012

Remote Alaskan Volcano Shows Signs Of Activity

Originally published on Wed February 1, 2012 8:54 am

There's a new lava dome forming on top of Alaska's Cleveland Volcano, and the Alaska Volcano Observatory bumped up its aviation warning level to orange. That means the volcano is "exhibiting heightened or escalating unrest with increased potential of eruption".

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