Magnitude 5.4 offshore Cape Mendocino, CA

Information from the UCB & USGS Menlo Park
Location:	92 km WNW from Ferndale, CA 40.739 -125.334
Date & Time (Local):	2001/01/13 05:08:41
Date & Time (UTC):	2001/01/13 13:08:41
Depth (km):	4.8
Mw: (Preferred)	5.4
Ml:	5.2

This earthquake occurred in the most seismically active area in California. The Cape Mendocino region is part of a complex geological area, where the Pacific, North America, and Gorda plates meet, and is known as a "triple junction". A magnitude 5.8 earthquake occurred near here in March of 2000.

• Details
  • USGS/UCB Press Release
  • UCB Moment Tensor
  • Aftershock Forecast

• Seismograms
  • Seismogram from ARC LHZ via "Make Your Own Seismogram"
    ARC is the closest BDSN station to this earthquake.
  • Seismogram from YBH LHZ via "Make Your Own Seismogram"
    This seismogram from YBH also shows the M7.6 earthquake off the coast of Central America.
  • A record section of BDSN stations

• Maps
  • "Recenteqs" quad for this event
  • Background seismicity of the Cape Mendocino area
    • 1970-2000 M>3.0
    • 1970-2000 M>4.5
    • 1998
    • 1999
    • 2000
  • Moment tensors 1991-2001

• Ground shaking information
  • Shake Map - see the observed ground motions!
  • Community Internet Intensity Maps - see what other people felt and report your observations!

• Links to other Cape Mendocino Area Earthquake Resources
  • Earthquake Information from Humboldt State University
    • Earthquake history since 1980
  • On Shaky Ground: Living with Earthquakes on the North Coast
  • Seismic Images of the Mendocino Triple Junction Region