M2.4 earthquake 9km WNW of Cobb, CA

Magnitude

2.4 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Thu, Jul 8, 2021, 12:07 PM PDT

UTC

2021-07-08 19:07:46 UTC

Depth

2.2 km (1.4 mi), shallow

Epicenter

38.838° N, 122.823° W

Region

California

Felt reports

1

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.3 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

51°

Stations used

48

• Cobb, CaliforniaPopulation 1,778. Forecast9 kmWNW
• Clearlake, CaliforniaPopulation 15,182. Forecast22 kmSW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast45 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast671 kmNW

After

1. 1.60km E of Point Arena, CAThu, Jul 8, 10:24 PM PDT · 1913 days ago · 8 km deep · 76 km away
2. 1.86km ESE of Clearlake Oaks, CAFri, Jul 9, 12:26 AM PDT · 1913 days ago · 0 km deep · 27 km away
3. 1.66km WNW of The Geysers, CAFri, Jul 9, 12:50 PM PDT · 1912 days ago · 4 km deep · 4 km away
4. 1.76km NW of The Geysers, CAFri, Jul 9, 4:29 PM PDT · 1912 days ago · 2 km deep · 3 km away
5. 1.918km W of Sea Ranch, CAFri, Jul 9, 5:20 PM PDT · 1912 days ago · 0 km deep · 73 km away
6. 1.918km W of Sea Ranch, CAFri, Jul 9, 9:35 PM PDT · 1912 days ago · 2 km deep · 74 km away
7. 1.67km ENE of Brooktrails, CAFri, Jul 9, 11:58 PM PDT · 1912 days ago · 7 km deep · 82 km away
8. 2.36km NW of The Geysers, CASat, Jul 10, 3:02 AM PDT · 1912 days ago · 3 km deep · 3 km away
9. 1.76km NW of The Geysers, CASat, Jul 10, 3:52 AM PDT · 1912 days ago · 3 km deep · 3 km away
10. 1.96km NW of The Geysers, CASat, Jul 10, 6:46 AM PDT · 1912 days ago · 3 km deep · 3 km away · felt by 1
11. 1.74km NW of Redwood Valley, CASat, Jul 10, 11:06 PM PDT · 1911 days ago · 5 km deep · 62 km away
12. 2.46km W of Cobb, CASat, Jul 10, 11:13 PM PDT · 1911 days ago · 4 km deep · 3 km away
13. 1.76km NW of The Geysers, CASat, Jul 10, 11:53 PM PDT · 1911 days ago · 3 km deep · 3 km away
14. 1.57km W of Cobb, CASun, Jul 11, 12:28 PM PDT · 1910 days ago · 2 km deep · 2 km away
15. 1.96km WNW of The Geysers, CASun, Jul 11, 5:04 PM PDT · 1910 days ago · 4 km deep · 4 km away · felt by 1
16. 2.52km ENE of The Geysers, CASun, Jul 11, 10:28 PM PDT · 1910 days ago · 2 km deep · 9 km away · felt by 3
17. 1.710km WNW of The Geysers, CAMon, Jul 12, 3:29 AM PDT · 1910 days ago · 2 km deep · 3 km away
18. 2.23km N of The Geysers, CAWed, Jul 14, 4:03 PM PDT · 1907 days ago · 0 km deep · 7 km away
19. 1.93km WSW of Cobb, CAWed, Jul 14, 4:03 PM PDT · 1907 days ago · -1 km deep · 7 km away
20. 2.06km W of Cobb, CAWed, Jul 14, 4:37 PM PDT · 1907 days ago · 3 km deep · 3 km away
21. 1.56km NW of The Geysers, CAThu, Jul 15, 10:01 AM PDT · 1906 days ago · 1 km deep · 3 km away
22. 1.914km SSW of Lake Pillsbury, CAThu, Jul 15, 6:17 PM PDT · 1906 days ago · -1 km deep · 52 km away
23. 1.613km SE of Talmage, CAFri, Jul 16, 3:54 AM PDT · 1906 days ago · 2 km deep · 31 km away
24. 1.62km NNW of The Geysers, CAFri, Jul 16, 7:33 AM PDT · 1905 days ago · 2 km deep · 7 km away
25. 2.38km WNW of Cobb, CAFri, Jul 16, 8:03 AM PDT · 1905 days ago · 2 km deep · 1 km away
26. 1.69km SE of Point Arena, CAFri, Jul 16, 10:38 PM PDT · 1905 days ago · 1 km deep · 70 km away
27. 1.93km NNW of The Geysers, CASat, Jul 17, 1:20 AM PDT · 1905 days ago · 0 km deep · 6 km away · felt by 1
28. 2.03km NNW of The Geysers, CASat, Jul 17, 4:22 AM PDT · 1905 days ago · 0 km deep · 6 km away
29. 2.03km NNW of The Geysers, CASat, Jul 17, 4:22 AM PDT · 1905 days ago · 0 km deep · 6 km away
30. 2.23km NNW of The Geysers, CASat, Jul 17, 4:22 AM PDT · 1905 days ago · 0 km deep · 6 km away
31. 1.63km NNW of The Geysers, CASat, Jul 17, 4:23 AM PDT · 1905 days ago · 0 km deep · 6 km away
32. 2.36km E of Willits, CASat, Jul 17, 8:34 PM PDT · 1904 days ago · 6 km deep · 76 km away · felt by 1
33. 1.610km ESE of Angwin, CASun, Jul 18, 9:24 PM PDT · 1903 days ago · 4 km deep · 54 km away
34. 1.68km SW of Calistoga, CAMon, Jul 19, 7:22 AM PDT · 1903 days ago · 6 km deep · 37 km away
35. 1.66km W of Cobb, CATue, Jul 20, 1:45 AM PDT · 1902 days ago · 2 km deep · 3 km away
36. 1.93km W of Cobb, CATue, Jul 20, 5:54 AM PDT · 1902 days ago · 2 km deep · 6 km away · felt by 1
37. 1.73km SE of The Geysers, CATue, Jul 20, 10:18 PM PDT · 1901 days ago · 1 km deep · 12 km away
38. 1.97km ESE of Roseland, CATue, Jul 20, 10:36 PM PDT · 1901 days ago · 9 km deep · 52 km away
39. 2.29km ESE of Cloverdale, CAWed, Jul 21, 12:51 AM PDT · 1901 days ago · 5 km deep · 11 km away · felt by 1
40. 1.56km WNW of The Geysers, CAWed, Jul 21, 2:14 AM PDT · 1901 days ago · 1 km deep · 4 km away
41. 2.12km SW of Cobb, CAWed, Jul 21, 3:05 AM PDT · 1901 days ago · 2 km deep · 8 km away
42. 1.89km ESE of Cloverdale, CAWed, Jul 21, 5:44 AM PDT · 1901 days ago · 4 km deep · 11 km away
43. 2.38km NW of The Geysers, CAWed, Jul 21, 2:56 PM PDT · 1900 days ago · 1 km deep · 1 km away · felt by 2
44. 1.55km E of Boonville, CAThu, Jul 22, 2:48 AM PDT · 1900 days ago · 5 km deep · 46 km away
45. 1.87km NW of The Geysers, CAThu, Jul 22, 10:48 AM PDT · 1899 days ago · 3 km deep · 3 km away
46. 2.58km NW of Dunnigan, CAThu, Jul 22, 12:19 PM PDT · 1899 days ago · 16 km deep · 70 km away · felt by 6
47. 1.612km N of Brooktrails, CAThu, Jul 22, 1:37 PM PDT · 1899 days ago · 7 km deep · 92 km away
48. 2.311km W of Alder Springs, CAThu, Jul 22, 10:15 PM PDT · 1899 days ago · 6 km deep · 92 km away
49. 2.26km WNW of Cobb, CAFri, Jul 23, 11:44 AM PDT · 1898 days ago · 2 km deep · 3 km away
50. 2.26km WNW of Cobb, CAFri, Jul 23, 11:46 AM PDT · 1898 days ago · 2 km deep · 3 km away
51. 2.011km W of Alder Springs, CAFri, Jul 23, 4:13 PM PDT · 1898 days ago · 4 km deep · 92 km away
52. 2.510km WNW of Alder Springs, CASat, Jul 24, 6:37 AM PDT · 1898 days ago · 1 km deep · 93 km away
53. 1.611km ENE of Yountville, CASat, Jul 24, 10:13 AM PDT · 1897 days ago · 6 km deep · 69 km away
54. 2.311km W of Alder Springs, CASat, Jul 24, 7:19 PM PDT · 1897 days ago · 2 km deep · 92 km away
55. 2.811km W of Alder Springs, CASat, Jul 24, 7:35 PM PDT · 1897 days ago · 0 km deep · 92 km away
56. 1.77km NW of The Geysers, CASat, Jul 24, 10:12 PM PDT · 1897 days ago · 2 km deep · 2 km away
57. 3.211km W of Alder Springs, CASun, Jul 25, 6:21 PM PDT · 1896 days ago · 5 km deep · 92 km away · felt by 9
58. 2.16km SSW of Calistoga, CAMon, Jul 26, 3:35 AM PDT · 1896 days ago · 9 km deep · 40 km away · felt by 4
59. 1.73km NW of The Geysers, CAMon, Jul 26, 1:02 PM PDT · 1895 days ago · 0 km deep · 6 km away
60. 2.511km W of Alder Springs, CAMon, Jul 26, 10:40 PM PDT · 1895 days ago · 1 km deep · 92 km away

The first 60 of at least 201.

Before

1. 1.810km ESE of Angwin, CAThu, Jul 8, 4:21 AM PDT · 1914 days ago · 6 km deep · 53 km away
2. 1.514km E of Angwin, CAThu, Jul 8, 3:31 AM PDT · 1914 days ago · 3 km deep · 56 km away
3. 1.516km SSW of Willits, CAThu, Jul 8, 2:59 AM PDT · 1914 days ago · 5 km deep · 70 km away
4. 1.910km ESE of Angwin, CAThu, Jul 8, 2:04 AM PDT · 1914 days ago · 6 km deep · 52 km away
5. 1.712km ESE of Angwin, CAThu, Jul 8, 12:43 AM PDT · 1914 days ago · 6 km deep · 54 km away
6. 1.714km E of Angwin, CAThu, Jul 8, 12:43 AM PDT · 1914 days ago · 10 km deep · 56 km away
7. 3.611km ESE of Angwin, CAThu, Jul 8, 12:36 AM PDT · 1914 days ago · 10 km deep · 54 km away · felt by 99
8. 2.26km NW of The Geysers, CAWed, Jul 7, 5:40 AM PDT · 1915 days ago · 3 km deep · 3 km away
9. 1.813km W of Lakeport, CAWed, Jul 7, 12:53 AM PDT · 1915 days ago · 3 km deep · 30 km away
10. 1.64km WNW of Cobb, CATue, Jul 6, 7:24 PM PDT · 1915 days ago · 2 km deep · 4 km away
11. 2.56km NNW of The Geysers, CATue, Jul 6, 1:33 PM PDT · 1915 days ago · 3 km deep · 3 km away · felt by 1
12. 1.717km NNE of Nice, CAMon, Jul 5, 9:13 PM PDT · 1916 days ago · 5 km deep · 47 km away
13. 1.814km E of Angwin, CAMon, Jul 5, 8:02 PM PDT · 1916 days ago · 0 km deep · 56 km away
14. 2.38km WNW of Cobb, CAMon, Jul 5, 6:18 PM PDT · 1916 days ago · 3 km deep · 1 km away
15. 1.615km E of Angwin, CAMon, Jul 5, 4:14 PM PDT · 1916 days ago · 6 km deep · 56 km away
16. 1.87km NW of The Geysers, CAMon, Jul 5, 3:11 PM PDT · 1916 days ago · 1 km deep · 2 km away
17. 1.91km W of The Geysers, CAMon, Jul 5, 1:54 PM PDT · 1916 days ago · 2 km deep · 8 km away
18. 1.812km ENE of Angwin, CAMon, Jul 5, 3:23 AM PDT · 1917 days ago · 5 km deep · 51 km away
19. 1.58km W of Cobb, CAMon, Jul 5, 1:09 AM PDT · 1917 days ago · 2 km deep · 1 km away
20. 1.58km NW of The Geysers, CASun, Jul 4, 10:21 AM PDT · 1917 days ago · 2 km deep · 1 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73584821. Read Sun, Oct 4, 2026, 2:02 AM UTC.