Today in Earthquake History

On September 23rd...

M6.9, 7.0 - Cape Yakataga, Alaska, 1899

Two of the largest earthquakes in the United States.

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Science for Everyone

cross-section with layers and a fault outlined

Science briefs about new earthquake research written for non-scientists.

Multimedia

two people walking on top of a fault scarp

Educational videos and audio interviews on a variety of earthquake topics.