U.S. Geological Survey
 

National Strong-Motion Project

U.S. Geological Survey
NATIONAL STRONG-MOTION PROJECT

The USGS National Strong-Motion Project has the primary Federal responsibility for recording each damaging earthquake in the United States on the ground and in man-made structures in densely urbanized areas to improve public earthquake safety.

What's New

20090622 19:28 UTC Mw 5.4 Skwentna, Alaska Earthquake Data Set Available (posted 06/25/2009)

20090608 22:15 UTC Mw 3.5 Danville, California Earthquake Data Set Available (posted 06/15/2009)

20090518 03:39 UTC Mw 4.7 Lennox, California Earthquake Data Set Available (posted 05/22/2009)

20090414 22:44 UTC Md 5.0 Ka`ena_Point, Hawai`i Island, Hawai`i Earthquake Data Set Available (posted 04/16/2009)

20090330 17:40 UTC Mw 4.3 Morgan Hill, California Earthquake Data Set Available (posted 03/30/2009; updated 8/11/2009)

20090309 19:44 UTC Md 4.0 Laupahoehoe, Hawai`i Island, Hawai`i Earthquake Data Set Available (posted 03/11/2009)

Previous "What's New" Pages

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 Site last modified August 11, 2009