Earthquake Details

Petrolia, Ca 3.66m Earthquake, Tuesday Oct. 12 2021, 4:29:05 AM

Petrolia, CA Earthquake

The USGS has reported a 3.66 magnitude earthquake has struck 19km WSW of Petrolia, CA on Oct. 12 2021, 4:29:05 AM. ...at a depth of 19.5 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 Petrolia, CA earthquake. Below you will find the fore and after shocks associated with it.

Quake Type Magnitude Location Time Date
Foreshock 3.26 5km SW of Petrolia, CA 11:37:42 PM Sep. 29 2021
Foreshock 3.36 69km WNW of Petrolia, CA 8:54:36 AM Oct. 05 2021

Did you feel it?

10 others have felt the Petrolia, CA earthquake and have since reported it. See below for the response locations and intensities.

Community Internet Intensity Map for the Petrolia, Ca 3.66m Earthquake, Tuesday Oct. 12 2021, 4:29:05 AM
Community Internet Intensity Map

Responses Location Shaking Distance
1 Arcata, CA 95521 NO 76 km
5 Ferndale, CA 95536 LIGHT 35 km
1 Fortuna, CA 95540 LIGHT 50 km
1 Hydesville, CA 95547 WEAK 50 km
1 Petrolia, CA 95558 WEAK 31 km
1 Whitethorn, CA 95589 WEAK 55 km

Did you feel the 3.66 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 for the Petrolia, Ca 3.66m Earthquake, Tuesday Oct. 12 2021, 4:29:05 AM
GEO Community Internet Intensity Map

Intensity vs Distance Plot for the Petrolia, Ca 3.66m Earthquake, Tuesday Oct. 12 2021, 4:29:05 AM
Intensity vs Distance Plot

Responses vs Time Plot for the Petrolia, Ca 3.66m Earthquake, Tuesday Oct. 12 2021, 4:29:05 AM
Responses vs Time Plot

Macroseismic Intensity Map for the Petrolia, Ca 3.66m Earthquake, Tuesday Oct. 12 2021, 4:29:05 AM
Macroseismic Intensity Map

Peak Ground Acceleration Map for the Petrolia, Ca 3.66m Earthquake, Tuesday Oct. 12 2021, 4:29:05 AM
Peak Ground Acceleration Map

Peak Ground Velocity Map for the Petrolia, Ca 3.66m Earthquake, Tuesday Oct. 12 2021, 4:29:05 AM
Peak Ground Velocity Map

0.3 Second Peak Spectral Acceleration Map for the Petrolia, Ca 3.66m Earthquake, Tuesday Oct. 12 2021, 4:29:05 AM
0.3 Second Peak Spectral Acceleration Map

1 Second Peak Spectral Acceleration Map for the Petrolia, Ca 3.66m Earthquake, Tuesday Oct. 12 2021, 4:29:05 AM
1 Second Peak Spectral Acceleration Map

3 Second Peak Spectral Acceleration Map for the Petrolia, Ca 3.66m Earthquake, Tuesday Oct. 12 2021, 4:29:05 AM
3 Second Peak Spectral Acceleration Map


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