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Earthquake Details
- This event has been reviewed by a seismologist.
Magnitude |
4.1 |
Date-Time |
- Wednesday, August 08, 2012 at 16:33:22 UTC
- Wednesday, August 08, 2012 at 09:33:22 AM at epicenter
|
Location |
33.908°N, 117.778°W |
Depth |
9 km (5.6 miles) |
Region |
GREATER LOS ANGELES AREA, CALIFORNIA |
Distances |
- 3 km (2 miles) NNE (22°) from Yorba Linda, CA
- 8 km (5 miles) ENE (68°) from Placentia, CA
- 9 km (6 miles) SW (214°) from Chino Hills, CA
- 13 km (8 miles) NE (52°) from Anaheim, CA
- 46 km (29 miles) ESE (111°) from Los Angeles Civic Center, CA
|
Location Uncertainty |
horizontal +/- 0.3 km (0.2 miles); depth +/- 0.7 km (0.4 miles) |
Parameters |
Nph=190, Dmin=9 km, Rmss=0.39 sec, Gp= 18°, M-type=regional moment magnitude (Mw), Version=2 |
Source |
|
Event ID |
ci15189281 |
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Scientific & Technical Information
Tsunami Information
The earthquake locations and magnitudes cited in NOAA tsunami statements and bulletins are preliminary and are superseded by USGS locations and magnitudes computed using more extensive data sets.
General Tsunami Information