Earthquake Details
Alder Springs, Ca 3.66m Earthquake, Monday Aug. 02 2021, 11:28:54 AM
Alder Springs, CA Earthquake
The USGS has reported a 3.66 magnitude earthquake has struck 12km W of Alder Springs, CA on Aug. 02 2021, 11:28:54 AM, at a depth of 7.64 km. There were no significant injuries or damage reported at this point, Friendly Forecast will update this report as events unfold.
Fore and Aftershocks
There has been other seismic activity around the 3.66 Alder Springs, CA earthquake. Below you will find the fore and after shocks associated with it.
| Quake Type | Magnitude | Location | Time | Date |
|---|---|---|---|---|
| Foreshock | 2.67 | 2km W of Anderson Springs, CA | 6:30:41 AM | Aug. 01 2021 |
| Foreshock | 2.82 | 12km WNW of Alder Springs, CA | 8:04:30 AM | Aug. 02 2021 |
| Aftershock | 2.91 | 16km E of Willows, CA | 6:02:36 PM | Aug. 02 2021 |
| Aftershock | 3.19 | 12km W of Alder Springs, CA | 11:10:04 PM | Aug. 02 2021 |
| Aftershock | 2.96 | 12km W of Alder Springs, CA | 7:12:57 AM | Aug. 03 2021 |
| Aftershock | 3.04 | 12km WNW of Alder Springs, CA | 8:57:51 AM | Aug. 03 2021 |
| Aftershock | 3.09 | 12km W of Alder Springs, CA | 3:52:00 PM | Aug. 03 2021 |
| Aftershock | 2.86 | 13km W of Alder Springs, CA | 3:26:39 AM | Aug. 04 2021 |
| Aftershock | 2.84 | 15km E of Willows, CA | 4:35:39 AM | Aug. 12 2021 |
| Aftershock | 2.52 | 6km N of Cobb, CA | 8:33:10 AM | Aug. 15 2021 |
| Aftershock | 2.53 | 12km ESE of Angwin, CA | 12:59:41 PM | Aug. 16 2021 |
Did you feel it?
1 others have felt the Alder Springs, CA earthquake and have since reported it. See below for the response locations and intensities.
Community Internet Intensity Map
| Responses | Location | Shaking | Distance |
|---|---|---|---|
| 1 | Chico, CA 95973 | NO | 87 km |
Did you feel the 3.66 Alder Springs, 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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