M2.3 earthquake 25km WNW of Ferndale, CA

Magnitude

2.3 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Tue, Feb 9, 2021, 10:12 PM PST

UTC

2021-02-10 06:12:53 UTC

Depth

22.4 km (13.9 mi), shallow

Epicenter

40.634° N, 124.546° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.19

Depth from

From location

Station coverage gap

227°, poorly surrounded by stations

Stations used

28

• Ferndale, CaliforniaPopulation 1,369. Forecast25 kmWNW
• Fortuna, CaliforniaPopulation 12,000. Forecast33 kmW
• Chico, CaliforniaPopulation 121,345. Forecast251 kmWNW

After

1. 1.916km SE of Petrolia, CAThu, Feb 11, 8:10 AM PST · 2061 days ago · 13 km deep · 57 km away
2. 2.927km W of Petrolia, CASat, Feb 13, 10:39 PM PST · 2058 days ago · 20 km deep · 37 km away
3. 2.413km SE of Petrolia, CASat, Feb 20, 1:08 PM PST · 2051 days ago · 10 km deep · 53 km away
4. 1.813km SE of Petrolia, CAMon, Feb 22, 8:29 PM PST · 2049 days ago · 12 km deep · 53 km away
5. 1.87km N of Petrolia, CATue, Feb 23, 11:41 PM PST · 2048 days ago · 21 km deep · 35 km away
6. 3.058km W of Ferndale, CAMon, Mar 1, 8:36 AM PST · 2043 days ago · 25 km deep · 35 km away
7. 2.453km WNW of Petrolia, CAWed, Mar 3, 2:18 AM PST · 2041 days ago · 17 km deep · 36 km away
8. 2.120km W of Petrolia, CAWed, Mar 3, 9:21 AM PST · 2041 days ago · 21 km deep · 37 km away
9. 1.69km WSW of Rio Dell, CAWed, Mar 3, 1:42 PM PST · 2040 days ago · 22 km deep · 34 km away
10. 2.923km W of Petrolia, CAThu, Mar 4, 9:08 AM PST · 2040 days ago · 21 km deep · 38 km away · felt by 4
11. 3.030km WNW of Ferndale, CAThu, Mar 4, 2:52 PM PST · 2039 days ago · 22 km deep · 8 km away · felt by 6
12. 2.976 km W of Big Lagoon, CaliforniaFri, Mar 5, 1:36 AM PST · 2039 days ago · 10 km deep · 73 km away · felt by 1
13. 2.218km W of Petrolia, CASat, Mar 6, 9:02 PM PST · 2037 days ago · 19 km deep · 38 km away
14. 2.764km W of Petrolia, CASun, Mar 7, 6:44 AM PST · 2037 days ago · 10 km deep · 51 km away
15. 1.98km WSW of Petrolia, CATue, Mar 9, 8:36 PM PST · 2034 days ago · 22 km deep · 42 km away
16. 2.826km W of Petrolia, CAWed, Mar 10, 1:26 PM PST · 2033 days ago · 19 km deep · 37 km away
17. 2.014km W of Petrolia, CAWed, Mar 10, 5:27 PM PST · 2033 days ago · 11 km deep · 38 km away
18. 2.735km WNW of Petrolia, CAThu, Mar 11, 4:34 PM PST · 2032 days ago · 22 km deep · 28 km away
19. 1.821km NW of Petrolia, CAFri, Mar 12, 9:25 AM PST · 2032 days ago · 18 km deep · 22 km away
20. 2.56km W of Petrolia, CASat, Mar 13, 9:27 PM PST · 2030 days ago · 16 km deep · 37 km away · felt by 5
21. 2.786km W of Petrolia, CASat, Mar 13, 9:47 PM PST · 2030 days ago · 26 km deep · 74 km away · felt by 1
22. 2.31km ENE of Humboldt Hill, CASun, Mar 14, 8:17 AM PDT · 2030 days ago · 10 km deep · 33 km away · felt by 7
23. 2.24km NW of Humboldt Hill, CASun, Mar 14, 1:32 PM PDT · 2029 days ago · 10 km deep · 30 km away
24. 2.833km WNW of Petrolia, CATue, Mar 16, 3:26 PM PDT · 2027 days ago · 24 km deep · 28 km away
25. 3.699km W of Trinidad, CAWed, Mar 17, 7:21 AM PDT · 2027 days ago · 5 km deep · 87 km away · felt by 4
26. 2.06km S of Petrolia, CAThu, Mar 18, 6:28 AM PDT · 2026 days ago · 21 km deep · 46 km away
27. 2.234km E of Hydesville, CASat, Mar 20, 2:53 PM PDT · 2023 days ago · 27 km deep · 72 km away
28. 2.434km E of Hydesville, CASat, Mar 20, 2:57 PM PDT · 2023 days ago · 28 km deep · 72 km away
29. 1.920km W of Petrolia, CASat, Mar 27, 1:11 PM PDT · 2016 days ago · 9 km deep · 38 km away
30. 4.188km W of Petrolia, CASat, Mar 27, 5:19 PM PDT · 2016 days ago · 10 km deep · 72 km away · felt by 4
31. 2.19km N of Petrolia, CASun, Mar 28, 11:51 AM PDT · 2016 days ago · 27 km deep · 34 km away
32. 2.111km SSE of Redway, CAMon, Mar 29, 11:37 PM PDT · 2014 days ago · 18 km deep · 94 km away
33. 4.776km W of Petrolia, CATue, Mar 30, 8:51 AM PDT · 2014 days ago · 10 km deep · 61 km away · felt by 17
34. 2.9104km W of Petrolia, CAWed, Mar 31, 2:26 AM PDT · 2013 days ago · 16 km deep · 83 km away
35. 1.67km SSW of Petrolia, CAWed, Mar 31, 2:52 AM PDT · 2013 days ago · 20 km deep · 44 km away
36. 2.822km NW of Weitchpec, CAWed, Mar 31, 5:14 AM PDT · 2013 days ago · 33 km deep · 98 km away · felt by 1
37. 2.28km SSE of Ferndale, CAWed, Mar 31, 2:14 PM PDT · 2012 days ago · 25 km deep · 30 km away
38. 2.827km WNW of Petrolia, CAThu, Apr 1, 8:22 AM PDT · 2012 days ago · 25 km deep · 20 km away
39. 1.614km SW of Ferndale, CAThu, Apr 1, 4:43 PM PDT · 2011 days ago · 19 km deep · 22 km away
40. 4.427km W of Petrolia, CAFri, Apr 2, 1:21 AM PDT · 2011 days ago · 19 km deep · 37 km away · felt by 46
41. 2.534km W of Petrolia, CAFri, Apr 2, 2:19 AM PDT · 2011 days ago · 15 km deep · 40 km away
42. 1.925km W of Petrolia, CAFri, Apr 2, 2:31 AM PDT · 2011 days ago · 18 km deep · 39 km away
43. 2.024km W of Petrolia, CAFri, Apr 2, 5:52 AM PDT · 2011 days ago · 20 km deep · 37 km away
44. 2.219km W of Petrolia, CASun, Apr 4, 12:50 AM PDT · 2009 days ago · 19 km deep · 37 km away
45. 2.019km NE of Redway, CASun, Apr 4, 4:22 AM PDT · 2009 days ago · 30 km deep · 85 km away
46. 1.827km SSE of Blue Lake, CASun, Apr 4, 1:06 PM PDT · 2008 days ago · 26 km deep · 61 km away
47. 2.421km W of Petrolia, CAMon, Apr 5, 4:42 AM PDT · 2008 days ago · 20 km deep · 37 km away · felt by 1
48. 3.027km W of Petrolia, CAMon, Apr 5, 1:27 PM PDT · 2007 days ago · 19 km deep · 36 km away · felt by 3
49. 2.974km W of Petrolia, CAMon, Apr 5, 5:50 PM PDT · 2007 days ago · 10 km deep · 64 km away
50. 2.518km WNW of Petrolia, CAThu, Apr 8, 2:40 PM PDT · 2004 days ago · 28 km deep · 29 km away
51. 2.514km SE of Petrolia, CAThu, Apr 8, 5:39 PM PDT · 2004 days ago · 12 km deep · 55 km away
52. 2.925km W of Petrolia, CAThu, Apr 8, 7:07 PM PDT · 2004 days ago · 13 km deep · 38 km away
53. 2.115km NW of Petrolia, CAFri, Apr 9, 3:10 AM PDT · 2004 days ago · 19 km deep · 27 km away
54. 1.929km NE of Redway, CAFri, Apr 9, 3:30 AM PDT · 2004 days ago · 4 km deep · 89 km away
55. 1.835km S of Willow Creek, CASat, Apr 10, 3:54 AM PDT · 2003 days ago · 24 km deep · 76 km away

Before

1. 2.661km W of Petrolia, CATue, Feb 9, 9:41 AM PST · 2063 days ago · 15 km deep · 50 km away
2. 2.514km WNW of Petrolia, CASun, Feb 7, 6:21 AM PST · 2065 days ago · 18 km deep · 31 km away · felt by 1
3. 1.834km NNE of Redway, CAThu, Feb 4, 2:53 PM PST · 2067 days ago · 27 km deep · 84 km away
4. 2.615km WSW of Petrolia, CAThu, Feb 4, 12:04 AM PST · 2068 days ago · 21 km deep · 40 km away
5. 2.518km WNW of Petrolia, CATue, Feb 2, 8:58 AM PST · 2070 days ago · 16 km deep · 29 km away
6. 2.8101 km W of Indianola, CaliforniaMon, Feb 1, 10:10 PM PST · 2070 days ago · 10 km deep · 77 km away
7. 2.824km W of Petrolia, CAWed, Jan 27, 12:38 PM PST · 2075 days ago · 22 km deep · 35 km away
8. 2.214km S of Rio Dell, CATue, Jan 26, 7:48 PM PST · 2076 days ago · 27 km deep · 48 km away
9. 2.28km WSW of Petrolia, CASat, Jan 23, 2:32 PM PST · 2079 days ago · 14 km deep · 41 km away
10. 4.480km W of Petrolia, CASat, Jan 16, 10:25 PM PST · 2086 days ago · 15 km deep · 64 km away · felt by 17
11. 2.230km E of Rio Dell, CAFri, Jan 15, 2:55 AM PST · 2088 days ago · 29 km deep · 70 km away
12. 2.212km E of Blue Lake, CAThu, Jan 14, 12:11 PM PST · 2088 days ago · 26 km deep · 66 km away
13. 1.819km W of Petrolia, CAWed, Jan 13, 12:27 PM PST · 2089 days ago · 20 km deep · 38 km away
14. 2.416km SW of Ferndale, CAWed, Jan 13, 6:34 AM PST · 2090 days ago · 23 km deep · 22 km away
15. 2.69km WSW of Petrolia, CAWed, Jan 13, 2:00 AM PST · 2090 days ago · 20 km deep · 41 km away · felt by 1
16. 2.718km WSW of Petrolia, CATue, Jan 12, 8:12 PM PST · 2090 days ago · 17 km deep · 38 km away
17. 3.086km W of Petrolia, CATue, Jan 12, 10:52 AM PST · 2091 days ago · 2 km deep · 67 km away
18. 4.377km W of Petrolia, CATue, Jan 12, 5:22 AM PST · 2091 days ago · 3 km deep · 61 km away · felt by 20
19. 3.212km WSW of Petrolia, CAMon, Jan 11, 7:25 PM PST · 2091 days ago · 21 km deep · 42 km away · felt by 6

From the USGS Earthquake Hazards Program and its partner networks, event nc73521076. Read Sun, Oct 4, 2026, 6:39 AM UTC.