USGS-earthquakes-nc51203078.1.20080521T220658.328Z http://www.cisn.org/ncmc.html 2008-05-21T22:06:58+00:00 Actual Update Public USGS-earthquakes-nc51203078.1.20080521T220658.325Z/http://www.cisn.org/ncmc.html Geo Earthquake Past Unknown Likely CISN Northern California Management Center EQ 2.8 Petrolia, CA - PRELIMINARY REPORT An earthquake with magnitude 2.8 occurred near Petrolia, CA at 22:03:59.50 UTC on May 21, 2008. (This is a computer-generated message and has not yet been reviewed by a seismologist.) http://earthquake.usgs.gov/eqcenter/recenteqsus/Quakes/nc51203078.php http://www.cisn.org/ncmc.html EventTime=2008-05-21T22:03:59+00:00 EventIDKey=nc51203078 Version=1 Magnitude=2.8 Depth=14.5 km (9.0 miles) HorizontalError=4.1 km VerticalError=3.1 km NumStations=23 NumPhases=23 MinDistance=36.0 km RMSTimeError=0.22 seconds AzimuthalGap=263 degrees 23 miles (36 km) W of Petrolia, CA; 29 miles (46 km) SW of Ferndale, CA; 34 miles (54 km) WSW of Rio Dell, CA; 42 miles (68 km) SW of Eureka, CA; 212 miles (342 km) NW of Sacramento, CA 40.341,-124.712 0.0