This is world wide IRIS Seismic Monitor:
http://www.iris.edu/seismon/
Update:
Look at the Earthquake chart from USGS, Brawley, CA is getting hammered
http://earthquake.usgs.gov/earthquakes/recenteqsww/Maps/10/270_10.php
7.4 - Earthquake OFFSHORE EL SALVADOR
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This coming in from the South.
On August 24th, we warned on Forbes that Tropical Storm Isaac could pose a threat to energy markets and even rival Hurricane Katrina in its destructive power
http://www.forbes.com/sites/weatherbell/2012/08/26/tropical-storm-isaac-should-rival-hurricane-katrina/