Tuesday, October 12, 2010

Energy and Environment - Green Blog - NYTimes.com

Energy and Environment - Green Blog - NYTimes.com

Major coastal cities including Los Angeles and Istanbul are at much greater risk of tsunamis than previously thought, new research by geologists studying the recent earthquake in Haiti suggests.

These cities are all near active geological features know as strike-slip faults, in which the fault is nearly vertical as two tectonic plates slide past each other horizontally.

Previously such faults were thought to generate only about 3 percent of such tsunamis, as opposed to normal faults in which one block drops downward.

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