Earthquake Details

Petrolia, Ca 4.31m Earthquake, Wednesday Jul. 21 2021, 3:05:30 AM

Petrolia, CA Earthquake

The USGS has reported a 4.31 magnitude earthquake has struck 12km WSW of Petrolia, CA on Jul. 21 2021, 3:05:30 AM. ...at a depth of 35.38 km. There were no significant injuries or damage reported at this point, Friendly Forecast will update this report as events unfold.

Aftershock

This earthquake has been labeled an Aftershock. You can find information for the main earthquake here: Petrolia, Ca 5.05m Earthquake, Saturday Jul. 17 2021, 11:46:12 PM

Did you feel it?

44 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 4.31m Earthquake, Wednesday Jul. 21 2021, 3:05:30 AM
Community Internet Intensity Map

Responses Location Shaking Distance
1 Bass Lake, CA 93604 WEAK 536 km
1 Monterey, CA 93940 LIGHT 468 km
8 Eureka, CA 95501 WEAK 71 km
11 Eureka, CA 95503 WEAK 65 km
3 McKinleyville, CA 95519 WEAK 88 km
7 Arcata, CA 95521 LIGHT 79 km
1 Bayside, CA 95524 LIGHT 76 km
1 Carlotta, CA 95528 WEAK 60 km
2 Ferndale, CA 95536 WEAK 43 km
5 Fortuna, CA 95540 WEAK 55 km
2 Petrolia, CA 95558 WEAK 38 km
1 Rio Dell, CA 95562 WEAK 47 km
1 Trinidad, CA 95570 WEAK 105 km

Did you feel the 4.31 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 4.31m Earthquake, Wednesday Jul. 21 2021, 3:05:30 AM
GEO Community Internet Intensity Map

Intensity vs Distance Plot for the Petrolia, Ca 4.31m Earthquake, Wednesday Jul. 21 2021, 3:05:30 AM
Intensity vs Distance Plot

Responses vs Time Plot for the Petrolia, Ca 4.31m Earthquake, Wednesday Jul. 21 2021, 3:05:30 AM
Responses vs Time Plot

Macroseismic Intensity Map for the Petrolia, Ca 4.31m Earthquake, Wednesday Jul. 21 2021, 3:05:30 AM
Macroseismic Intensity Map

Peak Ground Acceleration Map for the Petrolia, Ca 4.31m Earthquake, Wednesday Jul. 21 2021, 3:05:30 AM
Peak Ground Acceleration Map

Peak Ground Velocity Map for the Petrolia, Ca 4.31m Earthquake, Wednesday Jul. 21 2021, 3:05:30 AM
Peak Ground Velocity Map

0.3 Second Peak Spectral Acceleration Map for the Petrolia, Ca 4.31m Earthquake, Wednesday Jul. 21 2021, 3:05:30 AM
0.3 Second Peak Spectral Acceleration Map

1 Second Peak Spectral Acceleration Map for the Petrolia, Ca 4.31m Earthquake, Wednesday Jul. 21 2021, 3:05:30 AM
1 Second Peak Spectral Acceleration Map

3 Second Peak Spectral Acceleration Map for the Petrolia, Ca 4.31m Earthquake, Wednesday Jul. 21 2021, 3:05:30 AM
3 Second Peak Spectral Acceleration Map


Home | Earthquakes | About Us | Contact Us | Privacy

Copyright Friendly Forecast 2012 - 2021