Earthquake Details
Petrolia, Ca 4.39m Earthquake, Saturday Jan. 16 2021, 10:25:18 PM
Petrolia, CA Earthquake
The USGS has reported a 4.39 magnitude earthquake has struck 80km W of Petrolia, CA on Jan. 16 2021, 10:25:18 PM, at a depth of 14.72 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 4.39 Petrolia, CA earthquake. Below you will find the fore and after shocks associated with it.
| Quake Type | Magnitude | Location | Time | Date |
|---|---|---|---|---|
| Foreshock | 2.73 | 22km W of Petrolia, CA | 5:07:26 PM | Jan. 04 2021 |
| Foreshock | 2.84 | 11km W of Petrolia, CA | 5:10:46 AM | Jan. 09 2021 |
| Foreshock | 3.23 | 12km WSW of Petrolia, CA | 7:25:08 PM | Jan. 11 2021 |
| Foreshock | 4.36 | 102km W of Petrolia, CA | 5:22:03 AM | Jan. 12 2021 |
Did you feel it?
13 others have felt the Petrolia, CA earthquake and have since reported it. See below for the response locations and intensities.
Community Internet Intensity Map
| Responses | Location | Shaking | Distance |
|---|---|---|---|
| 1 | Mountain View, CA 94041 | WEAK | 430 km |
| 1 | San Francisco, CA 94103 | WEAK | 378 km |
| 1 | San Francisco, CA 94110 | LIGHT | 380 km |
| 1 | San Francisco, CA 94115 | LIGHT | 376 km |
| 1 | San Mateo, CA 94401 | LIGHT | 401 km |
| 1 | Santa Clara, CA 95051 | LIGHT | 439 km |
| 1 | San Jose, CA 95124 | LIGHT | 450 km |
| 1 | Willits, CA 95490 | NO | 189 km |
| 1 | Eureka, CA 95501 | WEAK | 103 km |
| 1 | McKinleyville, CA 95519 | WEAK | 120 km |
| 1 | Crescent City, CA 95531 | NO | 186 km |
| 1 | Ferndale, CA 95536 | NO | 85 km |
| 1 | Florence, OR 97439 | LIGHT | 425 km |
Did you feel the 4.39 Petrolia, 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
Uncertainty Ratio Map
Shakemap
Shakemap Bare
0.3 Second Peak Spectral Acceleration Map
1 Second Peak Spectral Acceleration Map
3 Second Peak Spectral Acceleration Map
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