California Integrated Seismic Net

Version #Q: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.

A moderate earthquake occurred at 6:27:19 PM (PDT) on Thursday, September 1, 2005.
The magnitude 5.1 event occurred 1 km (1 miles) S of Obsidian Butte, CA.
The hypocentral depth is 10 km ( 6 miles).

Magnitude 5.1 - moment magnitude (Mw)
Time Thursday, September 1, 2005 at 6:27:19 PM (PDT)
Friday, September 2, 2005 at 1:27:19 (UTC)
Distance from Obsidian Butte, CA - 1 km (1 miles) S (181 degrees)
Calipatria, CA - 12 km (8 miles) WNW (288 degrees)
Westmorland, CA - 14 km (8 miles) N (354 degrees)
El Centro, CA - 42 km (26 miles) N (350 degrees)
Tijuana, Baja California, Mexico - 147 km (91 miles) ENE (61 degrees)
Coordinates 33 deg. 9.6 min. N (33.160N), 115 deg. 38.2 min. W (115.637W)
Depth 9.7 km (6.0 miles)
Location Quality Fair
Location Quality Parameters Nst=052, Nph=052, Dmin=3 km, Rmss=0.37 sec, Erho=0.5 km, Erzz=1.1 km, Gp=72 degrees
Event ID# ci14179736
Additional Information map with fault names
Topo map centered at earthquake (This link takes you offsite).
ShakeMap shaking intensity maps
SCSN Moment Tensor Solution
SCSN First Motion Mechanism 1
SCSN First Motion Mechanism 2
Synopsis Waveforms
Did you feel it?

Did you feel it? || Shake Map South
For more information, see http://www.trinet.org/ || Contacts

Back to map