Scientists Study Earthquake Triggers in Pacific Ocean

Scientists Study Earthquake Triggers in Pacific Ocean
Wed, 29 Jun 2011 06:00:00 -0500

New samples of rock and sediment from the depths of the eastern Pacific Ocean may help explain the cause of large, destructive earthquakes similar to the Tohoku Earthquake that struck Japan in mid-March.

Nearly 1,500 meters (almost one mile) of sediment cores collected from the ocean floor off the coast of Costa Rica reveal detailed records of some two million years of tectonic activity along a seismic plate boundary.

The scientific drilling vessel JOIDES Resolution ...

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