Volcano ‘Screams’ Before Eruption

11:12 minutes

In 2009, Alaska’s Redoubt Volcano erupted and sent plumes of ash miles into the air. But underground, there was even more activity. In a study published in Nature Geoscience, researchers say the volcano experienced a large number of pre-eruption earthquakes that created a “scream.”

Segment Guests

Alicia Hotovec-Ellis

Alicia Hotovec-Ellis is a doctoral student in the department of earth and space sciences at the University of Washington in Seattle, Washington.

Meet the Producer

About Alexa Lim

Alexa Lim was a senior producer for Science Friday. Her favorite stories involve space, sound, and strange animal discoveries.

Explore More