Tagged: earthquake

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Emergency Preparedness - Earthquakes
4:51 pm
Thu February 7, 2013

Annual Earthquake Drill Shakes Things Up In Missouri, Illinois

Credit Missouri Shake Out/SEMA
Earthquake Program Manager Steve Besemer of the Missouri State Emergency Management Agency talks about earthquake safety with third graders at Mary Paxton Keeley Elementary School in Columbia, Mo.

This morning, residents of Missouri, Illinois, and seven other Central U.S. states participated in an earthquake preparedness drill.

The annual event is known as the Great Central U.S. ShakeOut. This year, close to three million people registered to participate.

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Research News
12:45 pm
Thu September 27, 2012

Big Quakes Signal Changes Coming To Earth's Crust

Credit Adek Berry / AFP/Getty Images
A prison official examines the damage a day after a powerful earthquake hit the west coast of Indonesia in Banda Aceh on April 12.

Originally published on Thu September 27, 2012 8:31 am

On April 11 of this year, an extraordinary cluster of earthquakes struck off Sumatra. The largest shock, magnitude 8.7, produced stronger ground-shaking than any earthquake ever recorded. And it surprised seismologists by triggering more than a dozen moderate earthquakes around the world.

The quakes are also a sign of big changes to come in the Earth's crust.

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