Magnitude 5.0 - OFFSHORE NORTHERN CALIFORNIA

Magnitude 5.0 (Moderate) Date-Time Wednesday, July 19, 2006 at 11:41:43 (UTC)= Coordinated Universal Time Wednesday, July 19, 2006 at 4:41:43 AM = local time at epicenter Location 40.281°N, 124.426°W Depth 20.8 km (12.9 miles) Region OFFSHORE NORTHERN CALIFORNIA Distances 13 km (8 miles) WSW (248°) from Petrolia, CA 36 km (22 miles) SSW (203°) from Ferndale, CA 36 km (23 miles) SW (228°) from Rio Dell, CA 61 km (38 miles) SSW (202°) from Eureka, CA 318 km (198 miles) NW (308°) from Sacramento, CA Location Uncertainty horizontal +/- 0.5 km (0.3 miles); depth +/- 0.3 km (0.2 miles) Parameters Nst=250, Nph=250, Dmin=23 km, Rmss=0.08 sec, Gp=223°,M-type=regional moment magnitude (Mw), Version=3 Source California Integrated Seismic Net USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR Event ID nc51172658 http://earthquake.usgs.gov/eqcenter/recenteqsww/Quakes/nc51172658.php#details