The birth and death of a tectonic plate

Several hundred miles off the Pacific Northwest coast, a small tectonic plate called the Juan de Fuca is slowly sliding under the North American continent. This subduction has created a collision zone with the potential to ...

NASA study of Haiti quake yields surprising results

(PhysOrg.com) -- The magnitude 7.0 earthquake that caused more than 200,000 casualties and devastated Haiti's economy in January resulted not from the Enriquillo fault, as previously believed, but from slip on multiple faults ...

Haiti: Physics of Quakes Past, and Future

(PhysOrg.com) -- The earthquake that struck Haiti took place along what is called a strike-slip fault -- a place where tectonic plates on each side of a fault line are moving horizontally in opposite directions, like hands ...

Asia-Pacific quakes herald a disaster? Experts say no

Powerful earthquakes that have jolted Asia recently do not presage a disaster, although it is only a matter of time before the next catastrophe befalls the quake-prone region, seismologists say.

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