Earthquake Details
Westley, Ca 3.5 M Earthquake, Monday Sep. 18 2023, 8:44:30 PM
Westley, CA Earthquake
The USGS has reported a 3.49 magnitude earthquake has struck 15 km SW of Westley, CA on Sep. 18 2023, 8:44:30 PM, at a depth of -0.4 km. There were no significant injuries or damage reported at this point, Friendly Forecast will update this report as events unfold.
Foreshock
This earthquake has been labeled a Foreshock. You can find information for the main earthquake here: Westley, Ca 4.5 M Earthquake, Monday Sep. 18 2023, 9:13:10 PM
Did you feel it?
38 others have felt the Westley, CA earthquake and have since reported it. See below for the response locations and intensities.
Community Internet Intensity Map
| Responses | Location | Shaking | Distance |
|---|---|---|---|
| 1 | Discovery Bay, CA 94505 | WEAK | 56 km |
| 1 | Lodi, CA 95240 | WEAK | 76 km |
| 2 | Tracy, CA 95304 | WEAK | 30 km |
| 1 | Ceres, CA 95307 | LIGHT | 33 km |
| 1 | Hilmar, CA 95324 | LIGHT | 36 km |
| 1 | Hughson, CA 95326 | NO | 43 km |
| 1 | Modesto, CA 95350 | NO | 36 km |
| 1 | Modesto, CA 95355 | NO | 40 km |
| 1 | Newman, CA 95360 | WEAK | 16 km |
| 13 | Patterson, CA 95363 | WEAK | 6 km |
| 1 | Turlock, CA 95380 | WEAK | 38 km |
| 1 | Waterford, CA 95386 | LIGHT | 65 km |
Did you feel the 3.49 Westley, CA earthquake? If you felt the quake you can report it here to the USGS.
Other Imagery and Data
GEO Community Internet Intensity Map
Intensity vs Distance Plot
Responses vs Time Plot
Macroseismic Intensity Map
Peak Ground Acceleration Map
Peak Ground Velocity Map
0.3 Second Peak Spectral Acceleration Map
1 Second Peak Spectral Acceleration Map
3 Second Peak Spectral Acceleration Map
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