A Surge of Giant Earthquakes - and What We're Learning From Them

by · Jan 30, 2014 · 2 460 views ·

Presented by: Dr. Thorne Lay (UCSC Earth & Planetary Sciences Department) January 19, 2014 During the past 9 years, the rate of occurrence of great earthquakes with magnitudes larger than 8 has increased by 250% relative to the rate over the previous earthquake disasters in the 9 year period. New global observation systems have provided unprecedented seismic, geodetic, and tsunami recordings for these events used to quantify these giant ruptures, revealing many unexpected characteristics.

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