M1.8 earthquake 6km W of Cobb, CA

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Northern California Seismic System

Local time

Tue, Oct 26, 2021, 12:15 AM PDT

UTC

2021-10-26 07:15:45 UTC

Depth

1.3 km (0.8 mi), shallow

Epicenter

38.822° N, 122.789° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.1 km horizontally, 0.2 km in depth

Magnitude uncertainty

±0.07

Depth from

From location

Station coverage gap

43°

Stations used

39

• Cobb, CaliforniaPopulation 1,778. Forecast6 kmW
• Clearlake, CaliforniaPopulation 15,182. Forecast21 kmSW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast43 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast668 kmNW

After

1. 2.92km SW of Anderson Springs, CATue, Oct 26, 11:38 AM PDT · 1803 days ago · 1 km deep · 10 km away · felt by 5
2. 2.03km SSW of Anderson Springs, CATue, Oct 26, 11:40 AM PDT · 1803 days ago · 1 km deep · 11 km away
3. 1.718km SE of Lake Pillsbury, CATue, Oct 26, 1:45 PM PDT · 1803 days ago · 5 km deep · 54 km away
4. 1.67km NW of The Geysers, CATue, Oct 26, 6:31 PM PDT · 1803 days ago · 2 km deep · 2 km away
5. 1.97km NW of The Geysers, CATue, Oct 26, 6:31 PM PDT · 1803 days ago · 1 km deep · 2 km away
6. 1.61km NNW of The Geysers, CAWed, Oct 27, 1:04 PM PDT · 1802 days ago · 2 km deep · 4 km away
7. 1.612km WNW of Redwood Valley, CAWed, Oct 27, 8:23 PM PDT · 1802 days ago · 6 km deep · 71 km away
8. 1.817km NW of Lake Pillsbury, CASat, Oct 30, 8:35 AM PDT · 1800 days ago · -1 km deep · 80 km away
9. 2.110km SSE of Talmage, CASat, Oct 30, 8:53 AM PDT · 1800 days ago · 7 km deep · 38 km away
10. 1.910km SSE of Talmage, CASat, Oct 30, 3:06 PM PDT · 1799 days ago · 6 km deep · 39 km away
11. 1.98km NW of The Geysers, CASat, Oct 30, 8:29 PM PDT · 1799 days ago · 2 km deep · 3 km away
12. 1.52km N of The Geysers, CASun, Oct 31, 8:15 AM PDT · 1799 days ago · 4 km deep · 4 km away
13. 1.51km NNW of The Geysers, CASun, Oct 31, 2:10 PM PDT · 1798 days ago · 2 km deep · 5 km away
14. 1.52km WSW of Anderson Springs, CATue, Nov 2, 3:50 AM PDT · 1797 days ago · 2 km deep · 9 km away
15. 1.76km NW of The Geysers, CATue, Nov 2, 6:32 AM PDT · 1797 days ago · 3 km deep · 1 km away
16. 1.56km W of Cobb, CATue, Nov 2, 11:12 AM PDT · 1796 days ago · 2 km deep · 0 km away
17. 1.99km NW of The Geysers, CATue, Nov 2, 5:02 PM PDT · 1796 days ago · 1 km deep · 4 km away
18. 1.511km WNW of The Geysers, CAWed, Nov 3, 4:01 AM PDT · 1796 days ago · 3 km deep · 7 km away
19. 1.96km NW of The Geysers, CAWed, Nov 3, 7:36 PM PDT · 1795 days ago · 1 km deep · 2 km away
20. 1.618km NNE of Angwin, CAThu, Nov 4, 3:40 AM PDT · 1795 days ago · 9 km deep · 39 km away · felt by 1
21. 1.72km ESE of The Geysers, CAThu, Nov 4, 5:51 PM PDT · 1794 days ago · 1 km deep · 8 km away
22. 1.93km NE of The Geysers, CAThu, Nov 4, 10:35 PM PDT · 1794 days ago · 2 km deep · 6 km away · felt by 1
23. 2.88km W of Cobb, CAThu, Nov 4, 11:59 PM PDT · 1794 days ago · 2 km deep · 2 km away · felt by 13
24. 1.81km W of The Geysers, CASat, Nov 6, 2:03 AM PDT · 1793 days ago · 1 km deep · 5 km away
25. 1.92km SW of Cobb, CASat, Nov 6, 4:20 AM PDT · 1793 days ago · 2 km deep · 5 km away · felt by 1
26. 1.617km NW of Lake Pillsbury, CASat, Nov 6, 9:59 AM PDT · 1793 days ago · 3 km deep · 81 km away · felt by 2
27. 1.56km E of Willits, CASat, Nov 6, 5:20 PM PDT · 1792 days ago · 6 km deep · 79 km away
28. 2.48km E of Willits, CASat, Nov 6, 9:15 PM PDT · 1792 days ago · 7 km deep · 76 km away
29. 1.78km E of Willits, CASun, Nov 7, 4:01 AM PST · 1792 days ago · 7 km deep · 76 km away
30. 2.12km ENE of The Geysers, CASun, Nov 7, 4:25 AM PST · 1792 days ago · 2 km deep · 7 km away · felt by 1
31. 1.72km ENE of The Geysers, CASun, Nov 7, 5:47 AM PST · 1792 days ago · 1 km deep · 6 km away
32. 1.62km ENE of The Geysers, CASun, Nov 7, 6:02 AM PST · 1792 days ago · 1 km deep · 6 km away · felt by 1
33. 1.86km NW of The Geysers, CASun, Nov 7, 9:36 PM PST · 1791 days ago · 3 km deep · 1 km away
34. 1.713km NW of The Geysers, CAMon, Nov 8, 9:43 AM PST · 1791 days ago · 3 km deep · 8 km away
35. 1.62km ENE of The Geysers, CAMon, Nov 8, 9:22 PM PST · 1790 days ago · 2 km deep · 6 km away
36. 2.23km WSW of Anderson Springs, CATue, Nov 9, 8:48 AM PST · 1790 days ago · 1 km deep · 9 km away
37. 2.19km SE of Willits, CAWed, Nov 10, 1:19 AM PST · 1789 days ago · 6 km deep · 73 km away
38. 1.57km NW of The Geysers, CAWed, Nov 10, 2:19 AM PST · 1789 days ago · 2 km deep · 1 km away
39. 1.74km W of Cobb, CAWed, Nov 10, 6:07 AM PST · 1789 days ago · 2 km deep · 2 km away
40. 1.81km NNW of The Geysers, CAWed, Nov 10, 1:25 PM PST · 1788 days ago · 2 km deep · 5 km away
41. 1.77km E of Willits, CAWed, Nov 10, 7:13 PM PST · 1788 days ago · 6 km deep · 78 km away
42. 2.86km E of Willits, CAWed, Nov 10, 8:09 PM PST · 1788 days ago · 6 km deep · 79 km away · felt by 20
43. 1.77km WNW of Cobb, CAThu, Nov 11, 6:26 AM PST · 1788 days ago · 2 km deep · 2 km away
44. 1.818km W of Sea Ranch, CAThu, Nov 11, 6:59 AM PST · 1788 days ago · 3 km deep · 76 km away
45. 3.14km NW of Cobb, CAThu, Nov 11, 7:05 AM PST · 1788 days ago · 2 km deep · 5 km away · felt by 25
46. 2.43km NW of Cobb, CAThu, Nov 11, 7:05 AM PST · 1788 days ago · 1 km deep · 4 km away
47. 1.96km SW of Arbuckle, CAThu, Nov 11, 8:40 AM PST · 1788 days ago · 27 km deep · 62 km away
48. 1.718km ENE of Nice, CAThu, Nov 11, 2:59 PM PST · 1787 days ago · 5 km deep · 44 km away
49. 1.510km NW of Point Arena, CASat, Nov 13, 2:47 AM PST · 1786 days ago · 2 km deep · 86 km away
50. 1.67km E of Penngrove, CASat, Nov 13, 11:21 PM PST · 1785 days ago · 7 km deep · 62 km away · felt by 1
51. 1.57km W of Cobb, CASun, Nov 14, 1:11 AM PST · 1785 days ago · 3 km deep · 2 km away
52. 1.71km NNE of Kelseyville, CASun, Nov 14, 4:54 PM PST · 1784 days ago · 6 km deep · 18 km away
53. 1.86km NNW of The Geysers, CAMon, Nov 15, 2:03 AM PST · 1784 days ago · 3 km deep · 0 km away
54. 1.714km E of Angwin, CAMon, Nov 15, 10:24 AM PST · 1783 days ago · 5 km deep · 52 km away
55. 1.710km NE of Napa, CAMon, Nov 15, 2:44 PM PST · 1783 days ago · 7 km deep · 72 km away
56. 1.93km SSW of Cobb, CAMon, Nov 15, 6:28 PM PST · 1783 days ago · 1 km deep · 5 km away
57. 1.58km NW of The Geysers, CAMon, Nov 15, 9:35 PM PST · 1783 days ago · 2 km deep · 3 km away
58. 1.63km SE of The Geysers, CATue, Nov 16, 2:11 PM PST · 1782 days ago · 1 km deep · 9 km away
59. 2.513km W of Lakeport, CATue, Nov 16, 4:40 PM PST · 1782 days ago · 3 km deep · 33 km away · felt by 7
60. 2.16km W of Cobb, CATue, Nov 16, 7:34 PM PST · 1782 days ago · 3 km deep · 1 km away

The first 60 of 154.

Before

1. 2.07km W of Kenwood, CAMon, Oct 25, 7:39 PM PDT · 1804 days ago · 5 km deep · 47 km away · felt by 3
2. 1.85km NNW of The Geysers, CAMon, Oct 25, 6:55 PM PDT · 1804 days ago · 2 km deep · 1 km away
3. 1.710km WNW of The Geysers, CAMon, Oct 25, 2:04 PM PDT · 1804 days ago · 2 km deep · 6 km away
4. 1.53km NNW of The Geysers, CAMon, Oct 25, 2:04 PM PDT · 1804 days ago · 4 km deep · 3 km away
5. 2.42km N of The Geysers, CAMon, Oct 25, 5:01 AM PDT · 1805 days ago · 2 km deep · 4 km away · felt by 2
6. 2.34km SE of Larkfield-Wikiup, CAMon, Oct 25, 4:47 AM PDT · 1805 days ago · 8 km deep · 37 km away · felt by 9
7. 1.76km NNW of The Geysers, CAMon, Oct 25, 2:31 AM PDT · 1805 days ago · 3 km deep · 1 km away
8. 1.86km NW of The Geysers, CAMon, Oct 25, 2:21 AM PDT · 1805 days ago · 3 km deep · 1 km away
9. 1.86km NW of The Geysers, CASun, Oct 24, 9:06 PM PDT · 1805 days ago · 3 km deep · 2 km away
10. 1.82km SSW of Anderson Springs, CASun, Oct 24, 6:58 PM PDT · 1805 days ago · 1 km deep · 10 km away
11. 2.67km WNW of Cobb, CASun, Oct 24, 4:10 AM PDT · 1806 days ago · 3 km deep · 2 km away · felt by 3
12. 1.74km ENE of Boonville, CASat, Oct 23, 9:53 PM PDT · 1806 days ago · 4 km deep · 51 km away
13. 2.610km WNW of The Geysers, CASat, Oct 23, 9:09 PM PDT · 1806 days ago · 3 km deep · 6 km away · felt by 1
14. 1.710km WNW of The Geysers, CASat, Oct 23, 8:54 PM PDT · 1806 days ago · 3 km deep · 6 km away
15. 1.610km WNW of The Geysers, CASat, Oct 23, 8:54 PM PDT · 1806 days ago · 2 km deep · 6 km away
16. 2.810km WNW of The Geysers, CASat, Oct 23, 8:53 PM PDT · 1806 days ago · 3 km deep · 6 km away · felt by 5
17. 1.910km WNW of The Geysers, CASat, Oct 23, 7:57 PM PDT · 1806 days ago · 3 km deep · 6 km away
18. 1.95km ENE of Boonville, CASat, Oct 23, 12:18 PM PDT · 1806 days ago · 4 km deep · 51 km away
19. 1.66km NW of The Geysers, CASat, Oct 23, 12:23 AM PDT · 1807 days ago · 3 km deep · 1 km away
20. 1.57km W of Cobb, CAFri, Oct 22, 10:40 PM PDT · 1807 days ago · 2 km deep · 1 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73644820. Read Sun, Oct 4, 2026, 5:36 AM UTC.