M1.6 earthquake 9km SE of Point Arena, CA

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Fri, Jul 16, 2021, 10:38 PM PDT

UTC

2021-07-17 05:38:03 UTC

Depth

1.0 km (0.6 mi), shallow

Epicenter

38.845° N, 123.635° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.1 km horizontally, 4.7 km in depth

Magnitude uncertainty

±0.21

Depth from

From location

Station coverage gap

246°, poorly surrounded by stations

Stations used

11

• Sea Ranch, CaliforniaPopulation 1,305. Forecast21 kmNW
• Ukiah, CaliforniaPopulation 15,917. Forecast50 kmSW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast92 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast718 kmNW

After

1. 1.93km NNW of The Geysers, CASat, Jul 17, 1:20 AM PDT · 1905 days ago · 0 km deep · 75 km away · felt by 1
2. 2.03km NNW of The Geysers, CASat, Jul 17, 4:22 AM PDT · 1905 days ago · 0 km deep · 75 km away
3. 2.03km NNW of The Geysers, CASat, Jul 17, 4:22 AM PDT · 1905 days ago · 0 km deep · 75 km away
4. 2.23km NNW of The Geysers, CASat, Jul 17, 4:22 AM PDT · 1905 days ago · 0 km deep · 75 km away
5. 1.63km NNW of The Geysers, CASat, Jul 17, 4:23 AM PDT · 1905 days ago · 0 km deep · 75 km away
6. 2.36km E of Willits, CASat, Jul 17, 8:34 PM PDT · 1904 days ago · 6 km deep · 71 km away · felt by 1
7. 1.68km SW of Calistoga, CAMon, Jul 19, 7:22 AM PDT · 1903 days ago · 6 km deep · 92 km away
8. 1.66km W of Cobb, CATue, Jul 20, 1:45 AM PDT · 1902 days ago · 2 km deep · 73 km away
9. 1.93km W of Cobb, CATue, Jul 20, 5:54 AM PDT · 1902 days ago · 2 km deep · 76 km away · felt by 1
10. 1.73km SE of The Geysers, CATue, Jul 20, 10:18 PM PDT · 1901 days ago · 1 km deep · 79 km away
11. 1.97km ESE of Roseland, CATue, Jul 20, 10:36 PM PDT · 1901 days ago · 9 km deep · 99 km away
12. 2.29km ESE of Cloverdale, CAWed, Jul 21, 12:51 AM PDT · 1901 days ago · 5 km deep · 62 km away · felt by 1
13. 1.56km WNW of The Geysers, CAWed, Jul 21, 2:14 AM PDT · 1901 days ago · 1 km deep · 71 km away
14. 2.12km SW of Cobb, CAWed, Jul 21, 3:05 AM PDT · 1901 days ago · 2 km deep · 78 km away
15. 1.89km ESE of Cloverdale, CAWed, Jul 21, 5:44 AM PDT · 1901 days ago · 4 km deep · 62 km away
16. 2.38km NW of The Geysers, CAWed, Jul 21, 2:56 PM PDT · 1900 days ago · 1 km deep · 71 km away · felt by 2
17. 1.55km E of Boonville, CAThu, Jul 22, 2:48 AM PDT · 1900 days ago · 5 km deep · 34 km away
18. 1.87km NW of The Geysers, CAThu, Jul 22, 10:48 AM PDT · 1900 days ago · 3 km deep · 71 km away
19. 1.612km N of Brooktrails, CAThu, Jul 22, 1:37 PM PDT · 1900 days ago · 7 km deep · 81 km away
20. 1.710km SSE of Laytonville, CAThu, Jul 22, 11:57 PM PDT · 1899 days ago · 9 km deep · 87 km away
21. 2.26km WNW of Cobb, CAFri, Jul 23, 11:44 AM PDT · 1899 days ago · 2 km deep · 73 km away
22. 2.26km WNW of Cobb, CAFri, Jul 23, 11:46 AM PDT · 1899 days ago · 2 km deep · 73 km away
23. 1.77km NW of The Geysers, CASat, Jul 24, 10:12 PM PDT · 1897 days ago · 2 km deep · 71 km away
24. 2.16km SSW of Calistoga, CAMon, Jul 26, 3:35 AM PDT · 1896 days ago · 9 km deep · 97 km away · felt by 4
25. 1.73km NW of The Geysers, CAMon, Jul 26, 1:02 PM PDT · 1896 days ago · 0 km deep · 74 km away
26. 2.17km NW of The Geysers, CATue, Jul 27, 7:58 AM PDT · 1895 days ago · -1 km deep · 72 km away
27. 1.614km NE of Redwood Valley, CATue, Jul 27, 5:40 PM PDT · 1894 days ago · 3 km deep · 74 km away
28. 2.07km ESE of Willits, CATue, Jul 27, 11:34 PM PDT · 1894 days ago · 7 km deep · 69 km away
29. 3.06km NNW of Guerneville, CAWed, Jul 28, 3:51 AM PDT · 1894 days ago · 6 km deep · 63 km away · felt by 201
30. 1.94km NW of The Geysers, CAWed, Jul 28, 9:38 PM PDT · 1893 days ago · -1 km deep · 73 km away
31. 2.23km S of Anderson Springs, CAWed, Jul 28, 11:30 PM PDT · 1893 days ago · 2 km deep · 82 km away
32. 2.13km SSW of Anderson Springs, CAWed, Jul 28, 11:30 PM PDT · 1893 days ago · 4 km deep · 81 km away
33. 2.32km NNW of The Geysers, CAWed, Jul 28, 11:30 PM PDT · 1893 days ago · 0 km deep · 76 km away
34. 1.73km NW of The Geysers, CAWed, Jul 28, 11:31 PM PDT · 1893 days ago · -1 km deep · 74 km away
35. 1.87km WNW of Cobb, CAWed, Jul 28, 11:32 PM PDT · 1893 days ago · 1 km deep · 73 km away
36. 1.76km WNW of Cobb, CAThu, Jul 29, 4:06 AM PDT · 1893 days ago · 2 km deep · 73 km away
37. 1.84km W of Cobb, CAThu, Jul 29, 7:08 AM PDT · 1893 days ago · 2 km deep · 75 km away
38. 1.58km WNW of Cobb, CAThu, Jul 29, 2:45 PM PDT · 1892 days ago · 1 km deep · 71 km away
39. 2.57km NW of The Geysers, CAThu, Jul 29, 8:11 PM PDT · 1892 days ago · 3 km deep · 72 km away · felt by 4
40. 1.97km NW of The Geysers, CAThu, Jul 29, 8:11 PM PDT · 1892 days ago · 3 km deep · 72 km away
41. 1.76km NW of The Geysers, CAThu, Jul 29, 8:12 PM PDT · 1892 days ago · 3 km deep · 72 km away
42. 2.26km NW of The Geysers, CAThu, Jul 29, 10:48 PM PDT · 1892 days ago · 3 km deep · 72 km away
43. 1.97km ESE of Lake Pillsbury, CAThu, Jul 29, 11:47 PM PDT · 1892 days ago · 4 km deep · 88 km away
44. 2.46km NW of The Geysers, CAFri, Jul 30, 12:32 PM PDT · 1892 days ago · 2 km deep · 73 km away
45. 3.25km NNW of The Geysers, CASat, Jul 31, 8:15 AM PDT · 1891 days ago · 3 km deep · 73 km away · felt by 34
46. 2.16km W of Cobb, CASat, Jul 31, 11:03 AM PDT · 1891 days ago · 2 km deep · 73 km away
47. 2.111km NE of Healdsburg, CASun, Aug 1, 1:22 AM PDT · 1890 days ago · 6 km deep · 78 km away · felt by 2
48. 1.72km W of Anderson Springs, CASun, Aug 1, 6:30 AM PDT · 1890 days ago · 2 km deep · 80 km away · felt by 1
49. 2.43km W of Anderson Springs, CASun, Aug 1, 6:30 AM PDT · 1890 days ago · 1 km deep · 80 km away
50. 1.55km NW of The Geysers, CASun, Aug 1, 10:08 AM PDT · 1890 days ago · 2 km deep · 73 km away
51. 1.66km W of Laytonville, CAMon, Aug 2, 1:30 AM PDT · 1889 days ago · 3 km deep · 95 km away
52. 1.82km ESE of Redwood Valley, CAMon, Aug 2, 2:58 AM PDT · 1889 days ago · 7 km deep · 60 km away
53. 2.15km SSE of Cloverdale, CAMon, Aug 2, 4:25 AM PDT · 1889 days ago · 3 km deep · 56 km away · felt by 10
54. 1.810km E of Clearlake, CATue, Aug 3, 12:35 AM PDT · 1888 days ago · 3 km deep · 98 km away
55. 1.610km NNW of Redwood Valley, CATue, Aug 3, 10:51 AM PDT · 1888 days ago · 6 km deep · 66 km away
56. 1.68km NNW of Lake Pillsbury, CATue, Aug 3, 10:08 PM PDT · 1887 days ago · 10 km deep · 89 km away
57. 2.04km E of Cloverdale, CATue, Aug 3, 11:27 PM PDT · 1887 days ago · 0 km deep · 57 km away · felt by 1
58. 1.59km SE of Sea Ranch, CAWed, Aug 4, 2:21 AM PDT · 1887 days ago · 5 km deep · 31 km away
59. 1.63km WSW of Cobb, CAWed, Aug 4, 12:23 PM PDT · 1887 days ago · 2 km deep · 76 km away
60. 2.37km ESE of Willits, CAWed, Aug 4, 3:05 PM PDT · 1886 days ago · 6 km deep · 69 km away

The first 60 of 150.

Before

1. 2.38km WNW of Cobb, CAFri, Jul 16, 8:03 AM PDT · 1906 days ago · 2 km deep · 72 km away
2. 1.62km NNW of The Geysers, CAFri, Jul 16, 7:33 AM PDT · 1906 days ago · 2 km deep · 76 km away
3. 1.613km SE of Talmage, CAFri, Jul 16, 3:54 AM PDT · 1906 days ago · 2 km deep · 53 km away
4. 1.914km SSW of Lake Pillsbury, CAThu, Jul 15, 6:17 PM PDT · 1906 days ago · -1 km deep · 74 km away
5. 1.56km NW of The Geysers, CAThu, Jul 15, 10:01 AM PDT · 1907 days ago · 1 km deep · 72 km away
6. 2.06km W of Cobb, CAWed, Jul 14, 4:37 PM PDT · 1907 days ago · 3 km deep · 73 km away
7. 1.93km WSW of Cobb, CAWed, Jul 14, 4:03 PM PDT · 1907 days ago · -1 km deep · 76 km away
8. 2.23km N of The Geysers, CAWed, Jul 14, 4:03 PM PDT · 1907 days ago · 0 km deep · 76 km away
9. 1.710km WNW of The Geysers, CAMon, Jul 12, 3:29 AM PDT · 1910 days ago · 2 km deep · 68 km away
10. 2.52km ENE of The Geysers, CASun, Jul 11, 10:28 PM PDT · 1910 days ago · 2 km deep · 78 km away · felt by 3
11. 1.66km S of Fort Bragg, CASun, Jul 11, 6:59 PM PDT · 1910 days ago · 6 km deep · 62 km away
12. 1.96km WNW of The Geysers, CASun, Jul 11, 5:04 PM PDT · 1910 days ago · 4 km deep · 71 km away · felt by 1
13. 1.57km W of Cobb, CASun, Jul 11, 12:28 PM PDT · 1911 days ago · 2 km deep · 72 km away
14. 1.76km NW of The Geysers, CASat, Jul 10, 11:53 PM PDT · 1911 days ago · 3 km deep · 73 km away
15. 2.46km W of Cobb, CASat, Jul 10, 11:13 PM PDT · 1911 days ago · 4 km deep · 73 km away
16. 1.74km NW of Redwood Valley, CASat, Jul 10, 11:06 PM PDT · 1911 days ago · 5 km deep · 60 km away
17. 1.87km W of Laytonville, CASat, Jul 10, 7:16 PM PDT · 1911 days ago · 4 km deep · 95 km away
18. 1.96km NW of The Geysers, CASat, Jul 10, 6:46 AM PDT · 1912 days ago · 3 km deep · 72 km away · felt by 1
19. 1.76km NW of The Geysers, CASat, Jul 10, 3:52 AM PDT · 1912 days ago · 3 km deep · 72 km away
20. 2.36km NW of The Geysers, CASat, Jul 10, 3:02 AM PDT · 1912 days ago · 3 km deep · 72 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73593511. Read Sun, Oct 4, 2026, 8:48 AM UTC.