Fire Earth

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Posts Tagged ‘Tijuana’

Strong Earthquake Strikes Baja California

Posted by feww on December 31, 2009

Fire Earth Expects Large-Scale Seismicity in Calif

Earthquake measuring up to M6.1 strikes Baja California, Mexico

Strong earthquake measuring up to 6.1Mw struck Baja, California about 21 km (13 miles) NNW (339°) of Guadalupe Victoria, Mexico, at a depth of 12 km, December 30, 2009 at 10:49 AM local time.

The mainshock was preceded by one or more foreshocks, and up to 4 dozen aftershocks the largest of which measured about 5.0Mw, as of posting.

The quake was felt in Phoenix (dozens of Arizona cities were shaken), San Diego (it caused buildings sway briefly), Tijuana, Yuma (building damage was reported), and even as far away as Los Angeles, according to several reports.

Earthquake Details [as reported by USGS/EHP]

  • Magnitude: 5.8  [Maximum EQ magnitude estimated at 6.1 Mw by FEWW]
  • Date-Time:
    • Wednesday, December 30, 2009 at 18:48:57 UTC
    • Wednesday, December 30, 2009 at 10:48:57 AM at epicenter
  • Location: 32.464°N, 115.189°W
  • Depth: 6 km (3.7 miles) (poorly constrained)
  • Region: BAJA CALIFORNIA, MEXICO
  • Distances:
    • 21 km (13 miles) NNW (339°) from Guadalupe Victoria, Baja California, Mexico
    • 33 km (21 miles) SE (129°) from Mexicali, Baja California, Mexico
    • 37 km (23 miles) SE (129°) from Calexico, CA
    • 172 km (107 miles) E (92°) from Tijuana, Baja California, Mexico
  • Location Uncertainty: horizontal +/- 1.8 km (1.1 miles); depth +/- 31.6 km (19.6 miles)
  • Parameters: Nph= 20, Dmin=36 km, Rmss=0.39 sec, Gp=205°,
  • M-type=regional moment magnitude (Mw), Version=8
  • Source: California Integrated Seismic Net: USGS Caltech CGS UCB UCSD UNR
  • Event ID: ci14565620

10-degree Map Centered at 30°N,115°W


Earthquake Location Map. Source USGS/EHP

Related Links:


Posted in earthquake forecast, Earthquake news, earthquake update, Los Angeles quake, Yuma | Tagged: , , , , , , | Leave a Comment »

 
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