Pre-eruption Volcano “Screams” Recorded by Seismologists (VIDEO)
When the Redoubt volcano in Alaska sprang to life during two weeks in 2009, exploding more than 20 times and spewing ash into the stratosphere, tiny tremors were detected.
When the Redoubt volcano in Alaska sprang to life during two weeks in 2009, exploding more than 20 times and spewing ash into the stratosphere, tiny tremors were detected.
