M2.3 earthquake 11km SSW of Ferndale, CA

Magnitude

2.3 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Wed, Jun 30, 2021, 12:26 PM PDT

UTC

2021-06-30 19:26:53 UTC

Depth

19.0 km (11.8 mi), shallow

Epicenter

40.483° N, 124.311° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.22

Depth from

From location

Station coverage gap

131°

Stations used

25

• Ferndale, CaliforniaPopulation 1,369. Forecast11 kmSSW
• Fortuna, CaliforniaPopulation 12,000. Forecast18 kmSW
• Chico, CaliforniaPopulation 121,345. Forecast227 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast894 kmNW

After

1. 2.015km SW of Petrolia, CAFri, Jul 2, 3:51 PM PDT · 1919 days ago · 7 km deep · 30 km away
2. 2.124km WNW of Weaverville, CASun, Jul 4, 8:36 AM PDT · 1918 days ago · 32 km deep · 98 km away · felt by 1
3. 1.722km W of Petrolia, CASun, Jul 4, 1:35 PM PDT · 1917 days ago · 26 km deep · 24 km away
4. 2.011km SSW of Ferndale, CATue, Jul 6, 5:19 PM PDT · 1915 days ago · 19 km deep · 0 km away
5. 2.821km W of Petrolia, CASat, Jul 10, 3:32 AM PDT · 1912 days ago · 20 km deep · 28 km away
6. 2.022km W of Petrolia, CASat, Jul 10, 3:35 AM PDT · 1912 days ago · 19 km deep · 29 km away
7. 3.457km W of Petrolia, CASun, Jul 11, 8:43 PM PDT · 1910 days ago · 6 km deep · 56 km away · felt by 7
8. 1.79km SSW of Ferndale, CASun, Jul 11, 11:51 PM PDT · 1910 days ago · 18 km deep · 2 km away
9. 1.69km SSW of Ferndale, CASun, Jul 11, 11:58 PM PDT · 1910 days ago · 19 km deep · 2 km away
10. 1.89km SSW of Ferndale, CAMon, Jul 12, 12:38 AM PDT · 1910 days ago · 18 km deep · 3 km away
11. 2.48km WSW of Petrolia, CATue, Jul 13, 5:55 AM PDT · 1909 days ago · 20 km deep · 22 km away
12. 2.421km W of Petrolia, CAThu, Jul 15, 5:21 AM PDT · 1907 days ago · 8 km deep · 26 km away
13. 5.112km W of Petrolia, CASat, Jul 17, 11:46 PM PDT · 1904 days ago · 31 km deep · 20 km away · felt by 751
14. 2.49km W of Petrolia, CASun, Jul 18, 12:05 AM PDT · 1904 days ago · 29 km deep · 19 km away · felt by 7
15. 2.14km SW of Petrolia, CASun, Jul 18, 12:38 AM PDT · 1904 days ago · 31 km deep · 20 km away
16. 1.69km SSE of Redway, CATue, Jul 20, 2:28 AM PDT · 1902 days ago · 19 km deep · 66 km away
17. 2.519km SE of Bayside, CATue, Jul 20, 6:57 PM PDT · 1901 days ago · 25 km deep · 44 km away
18. 4.312km WSW of Petrolia, CAWed, Jul 21, 3:05 AM PDT · 1901 days ago · 35 km deep · 24 km away · felt by 25
19. 2.856km WNW of Petrolia, CAWed, Jul 21, 3:36 AM PDT · 1901 days ago · 15 km deep · 52 km away · felt by 3
20. 1.716km SW of Ferndale, CAWed, Jul 21, 3:45 AM PDT · 1901 days ago · 25 km deep · 8 km away
21. 2.840km WNW of Petrolia, CAWed, Jul 21, 5:25 AM PDT · 1901 days ago · 24 km deep · 36 km away
22. 1.733km ENE of Hydesville, CAWed, Jul 21, 6:25 AM PDT · 1901 days ago · 26 km deep · 52 km away
23. 2.733km WNW of Petrolia, CAThu, Jul 22, 8:42 PM PDT · 1899 days ago · 23 km deep · 30 km away
24. 2.77km W of Petrolia, CAFri, Jul 23, 1:09 PM PDT · 1898 days ago · 29 km deep · 19 km away · felt by 2
25. 2.912km WSW of Petrolia, CASat, Jul 24, 4:06 PM PDT · 1897 days ago · 32 km deep · 24 km away · felt by 1
26. 2.18km W of Petrolia, CASun, Jul 25, 1:05 PM PDT · 1896 days ago · 29 km deep · 18 km away
27. 2.78km W of Petrolia, CASun, Jul 25, 4:20 PM PDT · 1896 days ago · 29 km deep · 20 km away
28. 1.75km W of Petrolia, CAMon, Jul 26, 12:27 PM PDT · 1895 days ago · 29 km deep · 18 km away
29. 1.94km ESE of Redway, CAMon, Jul 26, 5:35 PM PDT · 1895 days ago · 21 km deep · 61 km away
30. 2.38km E of Willow Creek, CAMon, Jul 26, 9:07 PM PDT · 1895 days ago · 27 km deep · 83 km away
31. 2.89km W of Petrolia, CATue, Jul 27, 3:37 AM PDT · 1895 days ago · 28 km deep · 19 km away
32. 2.56km N of Petrolia, CATue, Jul 27, 11:52 PM PDT · 1894 days ago · 27 km deep · 12 km away
33. 2.321km W of Petrolia, CAWed, Jul 28, 2:43 AM PDT · 1894 days ago · 18 km deep · 28 km away
34. 3.07km W of Petrolia, CAThu, Jul 29, 11:39 AM PDT · 1892 days ago · 29 km deep · 19 km away
35. 2.547km W of Ferndale, CAThu, Jul 29, 4:03 PM PDT · 1892 days ago · 24 km deep · 43 km away
36. 1.86km W of Petrolia, CAThu, Jul 29, 8:30 PM PDT · 1892 days ago · 28 km deep · 19 km away
37. 2.020km WSW of Petrolia, CAFri, Jul 30, 9:17 AM PDT · 1892 days ago · 18 km deep · 28 km away
38. 1.910km SSE of Redway, CAFri, Jul 30, 3:36 PM PDT · 1891 days ago · 17 km deep · 67 km away
39. 1.79km WSW of Petrolia, CASun, Aug 1, 7:00 AM PDT · 1890 days ago · 8 km deep · 21 km away
40. 2.818km W of Petrolia, CASun, Aug 1, 11:34 PM PDT · 1889 days ago · 33 km deep · 25 km away
41. 2.49km W of Petrolia, CAWed, Aug 4, 2:11 PM PDT · 1886 days ago · 29 km deep · 20 km away
42. 3.976km W of Petrolia, CAThu, Aug 5, 8:21 AM PDT · 1886 days ago · 8 km deep · 73 km away · felt by 2
43. 2.66km ENE of Petrolia, CAFri, Aug 6, 2:56 AM PDT · 1885 days ago · 29 km deep · 16 km away
44. 1.718km NNW of Laytonville, CAFri, Aug 6, 10:43 PM PDT · 1884 days ago · 5 km deep · 96 km away
45. 2.760km W of Ferndale, CASat, Aug 7, 5:57 AM PDT · 1884 days ago · 8 km deep · 58 km away
46. 2.35km W of Petrolia, CASat, Aug 7, 7:06 AM PDT · 1884 days ago · 27 km deep · 18 km away
47. 1.79km W of Petrolia, CASat, Aug 7, 9:49 AM PDT · 1884 days ago · 10 km deep · 21 km away
48. 2.06km WSW of Petrolia, CASat, Aug 7, 4:43 PM PDT · 1883 days ago · 31 km deep · 20 km away
49. 1.714km SE of Petrolia, CASun, Aug 8, 1:57 AM PDT · 1883 days ago · 12 km deep · 30 km away
50. 3.16km W of Petrolia, CASun, Aug 8, 3:40 AM PDT · 1883 days ago · 28 km deep · 18 km away · felt by 5
51. 2.08km W of Petrolia, CAMon, Aug 9, 5:31 AM PDT · 1882 days ago · 28 km deep · 17 km away
52. 2.98km W of Petrolia, CAMon, Aug 9, 7:03 PM PDT · 1881 days ago · 30 km deep · 18 km away
53. 2.988km W of Petrolia, CAWed, Aug 11, 8:00 AM PDT · 1880 days ago · 22 km deep · 85 km away
54. 1.811km WSW of Petrolia, CAWed, Aug 11, 2:01 PM PDT · 1879 days ago · 29 km deep · 24 km away
55. 2.910km WSW of Petrolia, CAThu, Aug 12, 1:03 AM PDT · 1879 days ago · 31 km deep · 22 km away · felt by 1
56. 2.66km WSW of Petrolia, CAThu, Aug 12, 9:11 PM PDT · 1878 days ago · 30 km deep · 19 km away · felt by 1
57. 1.910km NW of Petrolia, CAFri, Aug 13, 12:40 PM PDT · 1877 days ago · 23 km deep · 11 km away
58. 2.28km WSW of Petrolia, CAFri, Aug 13, 3:40 PM PDT · 1877 days ago · 29 km deep · 20 km away
59. 2.036km WNW of Petrolia, CASun, Aug 15, 1:14 AM PDT · 1876 days ago · 8 km deep · 34 km away
60. 1.816km W of Petrolia, CAMon, Aug 16, 5:20 AM PDT · 1875 days ago · 11 km deep · 24 km away

The first 60 of 70.

Before

1. 1.89km W of Willow Creek, CAMon, Jun 28, 7:30 PM PDT · 1923 days ago · 12 km deep · 69 km away
2. 3.1100km W of Petrolia, CASun, Jun 27, 11:57 AM PDT · 1924 days ago · 6 km deep · 97 km away
3. 2.436km NNE of Redway, CASun, Jun 27, 1:34 AM PDT · 1925 days ago · 29 km deep · 59 km away
4. 1.88km ESE of Redway, CASat, Jun 26, 11:13 PM PDT · 1925 days ago · 22 km deep · 66 km away
5. 2.220km SE of Willow Creek, CASat, Jun 26, 9:15 AM PDT · 1926 days ago · 23 km deep · 80 km away
6. 2.966km W of Petrolia, CAFri, Jun 25, 11:34 PM PDT · 1926 days ago · 8 km deep · 63 km away · felt by 3
7. 2.27km NE of Shelter Cove, CAThu, Jun 24, 5:03 AM PDT · 1928 days ago · 21 km deep · 52 km away
8. 1.59km WSW of Petrolia, CAMon, Jun 21, 3:57 PM PDT · 1930 days ago · 9 km deep · 21 km away
9. 2.842km W of Petrolia, CASun, Jun 20, 3:16 AM PDT · 1932 days ago · 19 km deep · 42 km away
10. 2.110km WSW of Petrolia, CASat, Jun 19, 2:07 AM PDT · 1933 days ago · 17 km deep · 23 km away
11. 2.417km NW of Petrolia, CAWed, Jun 16, 11:18 PM PDT · 1935 days ago · 23 km deep · 13 km away
12. 2.116km ESE of Willow Creek, CAWed, Jun 16, 8:03 PM PDT · 1935 days ago · 21 km deep · 85 km away
13. 1.516km WNW of Petrolia, CATue, Jun 15, 4:27 AM PDT · 1937 days ago · 16 km deep · 17 km away
14. 1.614km E of Rio Dell, CAMon, Jun 14, 11:49 PM PDT · 1937 days ago · 21 km deep · 31 km away
15. 1.714km E of Rio Dell, CAMon, Jun 14, 1:49 PM PDT · 1937 days ago · 20 km deep · 31 km away
16. 2.445km W of Ferndale, CASun, Jun 13, 2:06 PM PDT · 1938 days ago · 24 km deep · 41 km away
17. 1.84km NW of Petrolia, CASat, Jun 12, 6:17 PM PDT · 1939 days ago · 29 km deep · 15 km away
18. 1.623km W of Petrolia, CAThu, Jun 10, 10:37 PM PDT · 1941 days ago · 15 km deep · 28 km away
19. 2.513km N of Petrolia, CAWed, Jun 9, 6:49 AM PDT · 1943 days ago · 28 km deep · 6 km away
20. 1.822km NW of Petrolia, CAMon, Jun 7, 5:28 PM PDT · 1944 days ago · 20 km deep · 16 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73581496. Read Sun, Oct 4, 2026, 6:06 AM UTC.