Sunday, April 4, 2010

Earthquake: 4.0 MI NORTHERN CALIFORNIA - Sonoma County

Globe with Earthquake Location

4.0 Ml - NORTHERN CALIFORNIA

Preliminary Earthquake Report
Magnitude 4.0 Ml
Date-Time
  • 4 Apr 2010 22:49:17 UTC
  • 4 Apr 2010 15:49:17 near epicenter
  • 4 Apr 2010 14:49:17 standard time in your timezone
Location 38.818N 122.760W
Depth 1 km
Distances
  • 4 km (2 miles) WSW (239 degrees) of Cobb, CA
  • 5 km (3 miles) ENE (62 degrees) of The Geysers, CA
  • 8 km (5 miles) NW (309 degrees) of Anderson Springs, CA
  • 41 km (26 miles) N (353 degrees) of Santa Rosa, CA
  • 116 km (72 miles) WNW (285 degrees) of Sacramento, CA
Location Uncertainty Horizontal: 0.3 km; Vertical 0.5 km
Parameters Nph = 24; Dmin = 2.0 km; Rmss = 0.09 seconds; Gp = 126°
M-type = Ml; Version = 2
Event ID NC 71377611
For updates, maps, and technical information, see: Event Page or USGS Earthquake Hazards Program
CISN Northern California Management Center U.S. Geological Survey Berkeley Seismological Laboratory http://www.cisn.org/ncmc.html
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****REMINDER**** Every fire has the ability to be catastrophic. The wildland fire management environment has profoundly changed. Growing numbers of communities, across the nation, are experiencing longer fire seasons; more frequent, bigger, and more severe, fires are a real threat. Be careful with all campfires and equipment.
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