Post on 23-Dec-2015
Earthquake Hazards and Damage
-Ground Motion
-Ground Failure
-Tsunamis
-Fire/Infrastructure
Northridge, California Earthquake January 17, 1994
Magnitude 6.7
Ground Motion
Loma Prieta earthquake,
October 17, 1989
Oakland, California
Magnitude: 6.9
Armenian Earthquake December 7, 1988
Spitak, Armenia
Magnitude 6.9
1985 Mexico City: Steel Frame Building
1985 Mexico City
1985 Mexico Railroad System
San Francisco, CA, October 18, 1989Loma Prieta earthquake
Magnitude 6.9
Izmit (Kocaeli) earthquake, August 17, 1999Izmit, Turkey
Magnitude 7.4
Imperial Valley, California, Earthquake
October 15, 1979
Magnitude 6.5
Ground failure
Motagua, Guatemala February 4, 1976
Magnitude 7.5
Government Hill School, March 27, 1964 Anchorage, Alaska
Magnitude 9.2
El SalvadorJanuary 13, 2001
Magnitude 7.6
Puget Sound, Washington
May 2, 1996
Magnitude 5.3
Alaska Earthquake March 27, 1964 Magnitude 9.2
Niigata, JapanJune 16, 1964Magnitude 7.4
Great Alaska EarthquakeMarch 28, 1964Valdez, AlaskaMagnitude 8.4
Fire
Alaska Earthquake March 28, 1964Whittier, AlaskaMagnitude 9.2
Tsunami
Flores Island, IndonesiaSeptember 1, 1992
Magnitude 7.0
Tectonic Setting
USGS
USGS
Main shock and aftershocks
~1200 km of the plate boundary moved, max. displacement ~ 15 m (?, preliminary est.)
Earthquake and Tsunami Damage, Banda Aceh, Sumatra
Earthquake and Tsunami Damage,
Sri Lanka
Tsunami wave trough, Sri Lanka coast
Tsunami wave, Sri Lanka; note strong current