M2.9 earthquake 76 km W of Big Lagoon, California

Magnitude

2.9 (ML, local (Richter)), micro

Magnitude from

USGS National Earthquake Information Center

Local time

Fri, Mar 5, 2021, 1:36 AM PST

UTC

2021-03-05 09:36:46 UTC

Depth

10.0 km (6.2 mi), shallow

Epicenter

41.172° N, 125.048° W

Region

California

Felt reports

1

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.8 km horizontally, 2.0 km in depth

Magnitude uncertainty

±0.04

Depth from

Operator assigned

Station coverage gap

222°, poorly surrounded by stations

Stations used

53

• Westhaven-Moonstone, CaliforniaPopulation 1,205. Forecast80 kmW
• McKinleyville, CaliforniaPopulation 15,177. Forecast83 kmWNW
• Chico, CaliforniaPopulation 121,345. Forecast315 kmWNW

After

1. 2.764km W of Petrolia, CASun, Mar 7, 6:44 AM PST · 2037 days ago · 10 km deep · 89 km away
2. 2.735km WNW of Petrolia, CAThu, Mar 11, 4:34 PM PST · 2033 days ago · 22 km deep · 90 km away
3. 1.821km NW of Petrolia, CAFri, Mar 12, 9:25 AM PST · 2032 days ago · 18 km deep · 94 km away
4. 2.31km ENE of Humboldt Hill, CASun, Mar 14, 8:17 AM PDT · 2030 days ago · 10 km deep · 88 km away · felt by 7
5. 2.24km NW of Humboldt Hill, CASun, Mar 14, 1:32 PM PDT · 2030 days ago · 10 km deep · 84 km away
6. 2.833km WNW of Petrolia, CATue, Mar 16, 3:26 PM PDT · 2028 days ago · 24 km deep · 92 km away
7. 3.699km W of Trinidad, CAWed, Mar 17, 7:21 AM PDT · 2027 days ago · 5 km deep · 23 km away · felt by 4
8. 4.188km W of Petrolia, CASat, Mar 27, 5:19 PM PDT · 2017 days ago · 10 km deep · 93 km away · felt by 4
9. 4.776km W of Petrolia, CATue, Mar 30, 8:51 AM PDT · 2014 days ago · 10 km deep · 90 km away · felt by 17
10. 2.9104km W of Petrolia, CAWed, Mar 31, 2:26 AM PDT · 2013 days ago · 16 km deep · 87 km away
11. 2.827km WNW of Petrolia, CAThu, Apr 1, 8:22 AM PDT · 2012 days ago · 25 km deep · 90 km away
12. 1.614km SW of Ferndale, CAThu, Apr 1, 4:43 PM PDT · 2012 days ago · 19 km deep · 95 km away
13. 2.974km W of Petrolia, CAMon, Apr 5, 5:50 PM PDT · 2008 days ago · 10 km deep · 98 km away
14. 2.115km NW of Petrolia, CAFri, Apr 9, 3:10 AM PDT · 2004 days ago · 19 km deep · 99 km away
15. 2.630km WNW of Petrolia, CATue, Apr 13, 9:39 PM PDT · 1999 days ago · 25 km deep · 93 km away
16. 3.517km WNW of Petrolia, CAThu, Apr 15, 9:09 PM PDT · 1997 days ago · 20 km deep · 99 km away · felt by 17
17. 2.638km WNW of Petrolia, CASun, Apr 18, 4:46 PM PDT · 1995 days ago · 24 km deep · 86 km away
18. 2.510km WNW of Humboldt Hill, CAWed, Apr 21, 9:58 PM PDT · 1991 days ago · 25 km deep · 78 km away
19. 1.614km SW of Ferndale, CAFri, Apr 23, 7:32 PM PDT · 1989 days ago · 20 km deep · 96 km away
20. 2.07km N of Ferndale, CAFri, Apr 23, 11:14 PM PDT · 1989 days ago · 9 km deep · 89 km away
21. 2.781km W of Petrolia, CASat, Apr 24, 3:21 AM PDT · 1989 days ago · 10 km deep · 87 km away · felt by 1
22. 2.632km WNW of Ferndale, CAWed, Apr 28, 12:33 PM PDT · 1985 days ago · 23 km deep · 65 km away · felt by 2
23. 1.924km WNW of Petrolia, CAThu, Apr 29, 9:01 PM PDT · 1983 days ago · 21 km deep · 95 km away
24. 2.584km WNW of Ferndale, CASat, May 1, 11:30 PM PDT · 1981 days ago · 5 km deep · 39 km away · felt by 1
25. 1.818km WNW of Ferndale, CASun, May 2, 5:53 AM PDT · 1981 days ago · 10 km deep · 76 km away
26. 2.811km NW of Eureka, CATue, May 4, 12:37 AM PDT · 1979 days ago · 24 km deep · 75 km away · felt by 66

Before

1. 3.030km WNW of Ferndale, CAThu, Mar 4, 2:52 PM PST · 2040 days ago · 22 km deep · 66 km away · felt by 6
2. 2.453km WNW of Petrolia, CAWed, Mar 3, 2:18 AM PST · 2041 days ago · 17 km deep · 82 km away
3. 3.058km W of Ferndale, CAMon, Mar 1, 8:36 AM PST · 2043 days ago · 25 km deep · 65 km away
4. 2.325km WNW of Ferndale, CATue, Feb 9, 10:12 PM PST · 2062 days ago · 22 km deep · 73 km away
5. 2.661km W of Petrolia, CATue, Feb 9, 9:41 AM PST · 2063 days ago · 15 km deep · 91 km away

From the USGS Earthquake Hazards Program and its partner networks, event us7000dfxc. Read Sun, Oct 4, 2026, 12:58 PM UTC.