M1.7 earthquake 4km ENE of Boonville, CA

Magnitude

1.7 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Oct 23, 2021, 9:53 PM PDT

UTC

2021-10-24 04:53:31 UTC

Depth

4.0 km (2.5 mi), shallow

Epicenter

39.029° N, 123.320° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

55°

Stations used

15

• Boonville, CaliforniaPopulation 1,035. Forecast4 kmENE
• Ukiah, CaliforniaPopulation 15,917. Forecast17 kmSW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast84 kmNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast715 kmNW

After

1. 2.67km WNW of Cobb, CASun, Oct 24, 4:10 AM PDT · 1806 days ago · 3 km deep · 49 km away · felt by 3
2. 1.82km SSW of Anderson Springs, CASun, Oct 24, 6:58 PM PDT · 1805 days ago · 1 km deep · 61 km away
3. 1.86km NW of The Geysers, CASun, Oct 24, 9:06 PM PDT · 1805 days ago · 3 km deep · 50 km away
4. 1.86km NW of The Geysers, CAMon, Oct 25, 2:21 AM PDT · 1805 days ago · 3 km deep · 51 km away
5. 1.76km NNW of The Geysers, CAMon, Oct 25, 2:31 AM PDT · 1805 days ago · 3 km deep · 51 km away
6. 2.34km SE of Larkfield-Wikiup, CAMon, Oct 25, 4:47 AM PDT · 1805 days ago · 8 km deep · 79 km away · felt by 9
7. 2.42km N of The Geysers, CAMon, Oct 25, 5:01 AM PDT · 1805 days ago · 2 km deep · 55 km away · felt by 2
8. 1.53km NNW of The Geysers, CAMon, Oct 25, 2:04 PM PDT · 1804 days ago · 4 km deep · 54 km away
9. 1.710km WNW of The Geysers, CAMon, Oct 25, 2:04 PM PDT · 1804 days ago · 2 km deep · 46 km away
10. 1.85km NNW of The Geysers, CAMon, Oct 25, 6:55 PM PDT · 1804 days ago · 2 km deep · 52 km away
11. 2.07km W of Kenwood, CAMon, Oct 25, 7:39 PM PDT · 1804 days ago · 5 km deep · 90 km away · felt by 3
12. 1.86km W of Cobb, CATue, Oct 26, 12:15 AM PDT · 1804 days ago · 1 km deep · 51 km away
13. 2.114km WSW of Laytonville, CATue, Oct 26, 7:37 AM PDT · 1804 days ago · 5 km deep · 75 km away
14. 2.92km SW of Anderson Springs, CATue, Oct 26, 11:38 AM PDT · 1804 days ago · 1 km deep · 61 km away · felt by 5
15. 2.03km SSW of Anderson Springs, CATue, Oct 26, 11:40 AM PDT · 1804 days ago · 1 km deep · 62 km away
16. 1.718km SE of Lake Pillsbury, CATue, Oct 26, 1:45 PM PDT · 1803 days ago · 5 km deep · 55 km away
17. 1.67km NW of The Geysers, CATue, Oct 26, 6:31 PM PDT · 1803 days ago · 2 km deep · 50 km away
18. 1.97km NW of The Geysers, CATue, Oct 26, 6:31 PM PDT · 1803 days ago · 1 km deep · 50 km away
19. 1.61km NNW of The Geysers, CAWed, Oct 27, 1:04 PM PDT · 1803 days ago · 2 km deep · 55 km away
20. 1.612km WNW of Redwood Valley, CAWed, Oct 27, 8:23 PM PDT · 1802 days ago · 6 km deep · 29 km away
21. 1.817km NW of Lake Pillsbury, CASat, Oct 30, 8:35 AM PDT · 1800 days ago · -1 km deep · 55 km away
22. 2.110km SSE of Talmage, CASat, Oct 30, 8:53 AM PDT · 1800 days ago · 7 km deep · 17 km away
23. 2.013km WSW of Laytonville, CASat, Oct 30, 9:01 AM PDT · 1800 days ago · 6 km deep · 75 km away
24. 1.910km SSE of Talmage, CASat, Oct 30, 3:06 PM PDT · 1799 days ago · 6 km deep · 17 km away
25. 1.98km NW of The Geysers, CASat, Oct 30, 8:29 PM PDT · 1799 days ago · 2 km deep · 49 km away
26. 1.52km N of The Geysers, CASun, Oct 31, 8:15 AM PDT · 1799 days ago · 4 km deep · 55 km away
27. 1.51km NNW of The Geysers, CASun, Oct 31, 2:10 PM PDT · 1798 days ago · 2 km deep · 55 km away
28. 1.813km SE of Laytonville, CAMon, Nov 1, 3:49 AM PDT · 1798 days ago · 6 km deep · 63 km away
29. 1.813km SE of Laytonville, CAMon, Nov 1, 12:33 PM PDT · 1798 days ago · 6 km deep · 63 km away
30. 1.52km WSW of Anderson Springs, CATue, Nov 2, 3:50 AM PDT · 1797 days ago · 2 km deep · 60 km away
31. 1.76km NW of The Geysers, CATue, Nov 2, 6:32 AM PDT · 1797 days ago · 3 km deep · 51 km away
32. 1.56km W of Cobb, CATue, Nov 2, 11:12 AM PDT · 1797 days ago · 2 km deep · 52 km away
33. 1.99km NW of The Geysers, CATue, Nov 2, 5:02 PM PDT · 1796 days ago · 1 km deep · 48 km away
34. 1.511km WNW of The Geysers, CAWed, Nov 3, 4:01 AM PDT · 1796 days ago · 3 km deep · 45 km away
35. 4.119km NW of Covelo, CAWed, Nov 3, 5:24 PM PDT · 1795 days ago · 7 km deep · 97 km away · felt by 21
36. 1.96km NW of The Geysers, CAWed, Nov 3, 7:36 PM PDT · 1795 days ago · 1 km deep · 51 km away
37. 1.618km NNE of Angwin, CAThu, Nov 4, 3:40 AM PDT · 1795 days ago · 9 km deep · 90 km away · felt by 1
38. 1.72km ESE of The Geysers, CAThu, Nov 4, 5:51 PM PDT · 1794 days ago · 1 km deep · 59 km away
39. 1.93km NE of The Geysers, CAThu, Nov 4, 10:35 PM PDT · 1794 days ago · 2 km deep · 58 km away · felt by 1
40. 2.88km W of Cobb, CAThu, Nov 4, 11:59 PM PDT · 1794 days ago · 2 km deep · 49 km away · felt by 13
41. 1.81km W of The Geysers, CASat, Nov 6, 2:03 AM PDT · 1793 days ago · 1 km deep · 56 km away
42. 1.92km SW of Cobb, CASat, Nov 6, 4:20 AM PDT · 1793 days ago · 2 km deep · 56 km away · felt by 1
43. 1.617km NW of Lake Pillsbury, CASat, Nov 6, 9:59 AM PDT · 1793 days ago · 3 km deep · 56 km away · felt by 2
44. 1.56km E of Willits, CASat, Nov 6, 5:20 PM PDT · 1792 days ago · 6 km deep · 43 km away
45. 2.48km E of Willits, CASat, Nov 6, 9:15 PM PDT · 1792 days ago · 7 km deep · 42 km away
46. 1.78km E of Willits, CASun, Nov 7, 4:01 AM PST · 1792 days ago · 7 km deep · 42 km away
47. 2.12km ENE of The Geysers, CASun, Nov 7, 4:25 AM PST · 1792 days ago · 2 km deep · 58 km away · felt by 1
48. 1.72km ENE of The Geysers, CASun, Nov 7, 5:47 AM PST · 1792 days ago · 1 km deep · 57 km away
49. 1.62km ENE of The Geysers, CASun, Nov 7, 6:02 AM PST · 1792 days ago · 1 km deep · 57 km away · felt by 1
50. 1.86km NW of The Geysers, CASun, Nov 7, 9:36 PM PST · 1791 days ago · 3 km deep · 51 km away
51. 1.713km NW of The Geysers, CAMon, Nov 8, 9:43 AM PST · 1791 days ago · 3 km deep · 44 km away
52. 1.62km ENE of The Geysers, CAMon, Nov 8, 9:22 PM PST · 1790 days ago · 2 km deep · 57 km away
53. 2.23km WSW of Anderson Springs, CATue, Nov 9, 8:48 AM PST · 1790 days ago · 1 km deep · 60 km away
54. 2.19km SE of Willits, CAWed, Nov 10, 1:19 AM PST · 1789 days ago · 6 km deep · 37 km away
55. 1.57km NW of The Geysers, CAWed, Nov 10, 2:19 AM PST · 1789 days ago · 2 km deep · 50 km away
56. 1.74km W of Cobb, CAWed, Nov 10, 6:07 AM PST · 1789 days ago · 2 km deep · 53 km away
57. 1.81km NNW of The Geysers, CAWed, Nov 10, 1:25 PM PST · 1788 days ago · 2 km deep · 55 km away
58. 1.77km E of Willits, CAWed, Nov 10, 7:13 PM PST · 1788 days ago · 6 km deep · 43 km away
59. 2.86km E of Willits, CAWed, Nov 10, 8:09 PM PST · 1788 days ago · 6 km deep · 43 km away · felt by 20
60. 1.77km WNW of Cobb, CAThu, Nov 11, 6:26 AM PST · 1788 days ago · 2 km deep · 50 km away

The first 60 of 162.

Before

1. 2.610km WNW of The Geysers, CASat, Oct 23, 9:09 PM PDT · 1806 days ago · 3 km deep · 46 km away · felt by 1
2. 1.710km WNW of The Geysers, CASat, Oct 23, 8:54 PM PDT · 1806 days ago · 3 km deep · 46 km away
3. 1.610km WNW of The Geysers, CASat, Oct 23, 8:54 PM PDT · 1806 days ago · 2 km deep · 46 km away
4. 2.810km WNW of The Geysers, CASat, Oct 23, 8:53 PM PDT · 1806 days ago · 3 km deep · 46 km away · felt by 5
5. 1.910km WNW of The Geysers, CASat, Oct 23, 7:57 PM PDT · 1806 days ago · 3 km deep · 46 km away
6. 1.95km ENE of Boonville, CASat, Oct 23, 12:18 PM PDT · 1807 days ago · 4 km deep · 0 km away
7. 1.66km NW of The Geysers, CASat, Oct 23, 12:23 AM PDT · 1807 days ago · 3 km deep · 51 km away
8. 1.57km W of Cobb, CAFri, Oct 22, 10:40 PM PDT · 1807 days ago · 2 km deep · 50 km away
9. 1.84km W of Cobb, CAFri, Oct 22, 10:29 PM PDT · 1807 days ago · 2 km deep · 53 km away
10. 1.52km NNE of The Geysers, CAFri, Oct 22, 9:54 PM PDT · 1807 days ago · 1 km deep · 56 km away
11. 1.57km W of Cobb, CAFri, Oct 22, 9:28 PM PDT · 1807 days ago · 1 km deep · 50 km away
12. 2.77km W of Cobb, CAFri, Oct 22, 9:28 PM PDT · 1807 days ago · 2 km deep · 50 km away · felt by 3
13. 2.97km W of Cobb, CAFri, Oct 22, 9:26 PM PDT · 1807 days ago · 2 km deep · 50 km away · felt by 13
14. 1.66km W of Cobb, CAFri, Oct 22, 9:46 AM PDT · 1808 days ago · 2 km deep · 51 km away
15. 1.88km NNW of Redwood Valley, CAFri, Oct 22, 6:10 AM PDT · 1808 days ago · 7 km deep · 35 km away
16. 1.78km W of Cobb, CAThu, Oct 21, 3:35 AM PDT · 1809 days ago · 3 km deep · 49 km away
17. 1.75km W of Cobb, CAWed, Oct 20, 10:13 PM PDT · 1809 days ago · 0 km deep · 52 km away
18. 1.96km WNW of The Geysers, CAWed, Oct 20, 9:56 PM PDT · 1809 days ago · 3 km deep · 51 km away · felt by 1
19. 1.96km WNW of The Geysers, CAWed, Oct 20, 9:56 PM PDT · 1809 days ago · 3 km deep · 51 km away
20. 1.814km ESE of Lake Pillsbury, CAWed, Oct 20, 5:28 PM PDT · 1809 days ago · 7 km deep · 56 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73643930. Read Sun, Oct 4, 2026, 7:39 AM UTC.