[unav_all] IRIS WEBINAR: A Global Surge of Great Earthquakes and What We are Learning From Them - 6/22, 2 PM Eastern

Andy Frassetto andyf at iris.edu
Wed Jun 17 20:08:31 MDT 2015

Please register for “A Global Surge of Great Earthquakes and What We are 
Learning From Them“ on June 22, 2015 2:00 PM EDT at: 

Presenter: Thorne Lay, University of California, Santa Cruz

Abstract: During the decade 2004-2014, 18 huge earthquakes with seismic 
magnitudes larger than 8.0 struck around the world, sometimes causing 
horrendous destruction and loss of life. The annual rate of such events 
was 2.5 times greater than had been experienced over the previous 
century of seismological observations. Deployment of global networks of 
very high-quality seismic, geodetic, and tsunami recording systems had 
preceded most of these events, allowing unprecedented signals to be 
recorded for these great earthquakes.

Geophysicists have analyzed the recorded waves and ground motions to 
determine details of each earthquake, advancing our understanding of 
these dangerous events. Most of the earthquakes have involved surprises, 
rapidly revising scientific ideas about the behavior of huge fault 
ruptures and indicating the need for improved mitigation efforts.

After registering, you will receive a confirmation email containing 
information on how to attend. Please note that the webinar software 
limits attendance to 100 participants; join the webinar early in case it 
is oversubscribed. Recordings are typically posted shortly afterwards 
at: https://www.youtube.com/playlist?list=PLD4D607C2FA317E6D

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