M1.8 earthquake 10km ESE of Willits, CA

Magnitude

1.8 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Oct 17, 2020, 2:31 AM PDT

UTC

2020-10-17 09:31:00 UTC

Depth

5.4 km (3.4 mi), shallow

Epicenter

39.361° N, 123.253° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.19

Depth from

From location

Station coverage gap

78°

Stations used

22

• Willits, CaliforniaPopulation 4,861. Forecast10 kmESE
• Ukiah, CaliforniaPopulation 15,917. Forecast24 kmN
• Santa Rosa, CaliforniaPopulation 178,127. Forecast112 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast740 kmNW

After

1. 1.611km ESE of Willits, CASat, Oct 17, 2:50 AM PDT · 2179 days ago · 6 km deep · 0 km away
2. 1.511km ESE of Hidden Valley Lake, CASat, Oct 17, 5:54 AM PDT · 2179 days ago · 8 km deep · 96 km away
3. 1.93km W of Cobb, CASat, Oct 17, 11:49 AM PDT · 2179 days ago · 1 km deep · 73 km away · felt by 1
4. 1.611km W of Lakeport, CASat, Oct 17, 3:40 PM PDT · 2179 days ago · 7 km deep · 41 km away · felt by 1
5. 1.86km NW of The Geysers, CASat, Oct 17, 3:48 PM PDT · 2179 days ago · 3 km deep · 72 km away
6. 1.821km NNE of Rockport, CAMon, Oct 19, 5:48 AM PDT · 2177 days ago · 6 km deep · 75 km away
7. 2.07km NW of The Geysers, CAMon, Oct 19, 1:45 PM PDT · 2177 days ago · 3 km deep · 71 km away
8. 3.811km ESE of Willits, CAMon, Oct 19, 6:58 PM PDT · 2176 days ago · 8 km deep · 1 km away · felt by 142
9. 3.410km ESE of Willits, CAMon, Oct 19, 6:59 PM PDT · 2176 days ago · 7 km deep · 0 km away · felt by 19
10. 1.610km ESE of Willits, CAMon, Oct 19, 7:37 PM PDT · 2176 days ago · 3 km deep · 1 km away
11. 1.910km ESE of Willits, CAMon, Oct 19, 8:02 PM PDT · 2176 days ago · 5 km deep · 1 km away · felt by 1
12. 1.610km ESE of Willits, CAMon, Oct 19, 8:59 PM PDT · 2176 days ago · 6 km deep · 1 km away
13. 2.711km ESE of Willits, CAMon, Oct 19, 9:01 PM PDT · 2176 days ago · 8 km deep · 1 km away · felt by 29
14. 2.03km SE of Redway, CATue, Oct 20, 12:45 AM PDT · 2176 days ago · 21 km deep · 94 km away
15. 1.55km NW of The Geysers, CATue, Oct 20, 8:12 AM PDT · 2176 days ago · 3 km deep · 73 km away
16. 1.810km ESE of Willits, CATue, Oct 20, 10:15 AM PDT · 2176 days ago · 6 km deep · 0 km away
17. 1.66km WNW of Cobb, CAWed, Oct 21, 2:41 AM PDT · 2175 days ago · 2 km deep · 71 km away
18. 1.911km NNW of Redwood Valley, CAWed, Oct 21, 3:08 AM PDT · 2175 days ago · 7 km deep · 1 km away
19. 1.813km W of Williams, CAWed, Oct 21, 3:46 AM PDT · 2175 days ago · 23 km deep · 85 km away
20. 2.110km ESE of Willits, CAWed, Oct 21, 4:15 AM PDT · 2175 days ago · 7 km deep · 1 km away · felt by 1
21. 2.311km ESE of Willits, CAThu, Oct 22, 2:38 AM PDT · 2174 days ago · 8 km deep · 1 km away
22. 1.511km ESE of Redwood Valley, CAThu, Oct 22, 5:09 AM PDT · 2174 days ago · 7 km deep · 21 km away
23. 2.810km ESE of Willits, CAThu, Oct 22, 5:53 AM PDT · 2174 days ago · 7 km deep · 1 km away · felt by 25
24. 2.39km SSE of Laytonville, CAThu, Oct 22, 5:27 PM PDT · 2173 days ago · 8 km deep · 33 km away
25. 1.610km ESE of Willits, CAThu, Oct 22, 6:27 PM PDT · 2173 days ago · 6 km deep · 1 km away
26. 1.63km ENE of The Geysers, CAFri, Oct 23, 1:45 PM PDT · 2173 days ago · 2 km deep · 78 km away
27. 1.86km NW of The Geysers, CAFri, Oct 23, 4:40 PM PDT · 2172 days ago · 3 km deep · 72 km away
28. 2.511km ESE of Willits, CAFri, Oct 23, 11:53 PM PDT · 2172 days ago · 8 km deep · 1 km away · felt by 14
29. 2.81km SSW of Anderson Springs, CASat, Oct 24, 3:17 AM PDT · 2172 days ago · 2 km deep · 82 km away · felt by 14
30. 1.60km ESE of Anderson Springs, CASat, Oct 24, 3:18 AM PDT · 2172 days ago · 2 km deep · 81 km away
31. 2.010km ESE of Willits, CASat, Oct 24, 9:24 AM PDT · 2172 days ago · 6 km deep · 1 km away · felt by 1
32. 2.05km NW of The Geysers, CASat, Oct 24, 10:15 AM PDT · 2172 days ago · 1 km deep · 73 km away
33. 1.52km SSW of Anderson Springs, CASun, Oct 25, 3:11 AM PDT · 2171 days ago · 2 km deep · 82 km away
34. 1.81km ESE of The Geysers, CASun, Oct 25, 5:20 AM PDT · 2171 days ago · 1 km deep · 79 km away
35. 1.77km W of Clearlake, CASun, Oct 25, 10:13 AM PDT · 2171 days ago · 1 km deep · 65 km away · felt by 4
36. 2.110km ESE of Willits, CAMon, Oct 26, 5:32 AM PDT · 2170 days ago · 8 km deep · 1 km away
37. 1.713km N of Laytonville, CAMon, Oct 26, 9:17 AM PDT · 2170 days ago · 6 km deep · 52 km away
38. 1.73km SE of The Geysers, CAMon, Oct 26, 3:26 PM PDT · 2170 days ago · 1 km deep · 81 km away
39. 2.01km NNE of The Geysers, CAMon, Oct 26, 10:16 PM PDT · 2169 days ago · 2 km deep · 77 km away
40. 2.06km NW of The Geysers, CATue, Oct 27, 8:03 AM PDT · 2169 days ago · 2 km deep · 72 km away
41. 1.87km NW of The Geysers, CATue, Oct 27, 9:24 AM PDT · 2169 days ago · 3 km deep · 71 km away
42. 2.04km SSW of Anderson Springs, CAWed, Oct 28, 1:58 AM PDT · 2168 days ago · 2 km deep · 84 km away
43. 2.24km S of Anderson Springs, CAWed, Oct 28, 1:58 AM PDT · 2168 days ago · 2 km deep · 84 km away
44. 1.93km SSW of Anderson Springs, CAWed, Oct 28, 2:43 AM PDT · 2168 days ago · 2 km deep · 83 km away
45. 2.52km WSW of Anderson Springs, CAWed, Oct 28, 1:27 PM PDT · 2168 days ago · 1 km deep · 81 km away · felt by 4
46. 1.618km NNE of Nice, CAWed, Oct 28, 6:55 PM PDT · 2167 days ago · 7 km deep · 45 km away · felt by 1
47. 2.119km E of Navarro Head, CAThu, Oct 29, 4:10 AM PDT · 2167 days ago · 3 km deep · 30 km away
48. 1.57km NW of The Geysers, CAThu, Oct 29, 5:35 PM PDT · 2166 days ago · 4 km deep · 71 km away
49. 1.73km SW of Anderson Springs, CAThu, Oct 29, 10:29 PM PDT · 2166 days ago · 1 km deep · 82 km away
50. 1.710km ENE of Hidden Valley Lake, CAFri, Oct 30, 11:02 AM PDT · 2166 days ago · 5 km deep · 90 km away
51. 1.937km NE of Covelo, CAFri, Oct 30, 6:11 PM PDT · 2165 days ago · 1 km deep · 76 km away
52. 1.68km SSE of Laytonville, CAFri, Oct 30, 7:53 PM PDT · 2165 days ago · 6 km deep · 33 km away
53. 1.58km SSE of Laytonville, CASat, Oct 31, 6:46 AM PDT · 2165 days ago · 6 km deep · 33 km away
54. 1.612km SSE of Boonville, CASat, Oct 31, 10:40 AM PDT · 2165 days ago · 3 km deep · 50 km away
55. 2.03km NNW of The Geysers, CASat, Oct 31, 11:05 AM PDT · 2165 days ago · 2 km deep · 75 km away
56. 2.16km E of Redwood Valley, CASat, Oct 31, 2:41 PM PDT · 2165 days ago · 5 km deep · 16 km away
57. 1.94km NW of The Geysers, CASun, Nov 1, 8:15 AM PST · 2164 days ago · 0 km deep · 74 km away
58. 1.54km WNW of The Geysers, CASun, Nov 1, 2:30 PM PST · 2164 days ago · 2 km deep · 74 km away
59. 2.911km ESE of Willits, CAMon, Nov 2, 2:22 PM PST · 2163 days ago · 7 km deep · 1 km away · felt by 40
60. 1.911km ESE of Willits, CAMon, Nov 2, 3:20 PM PST · 2162 days ago · 6 km deep · 1 km away

The first 60 of at least 199.

Before

1. 1.78km N of Brooktrails, CAFri, Oct 16, 5:58 PM PDT · 2179 days ago · 6 km deep · 20 km away
2. 1.66km WNW of The Geysers, CAFri, Oct 16, 4:36 PM PDT · 2179 days ago · 3 km deep · 73 km away
3. 2.36km WNW of The Geysers, CAFri, Oct 16, 1:50 PM PDT · 2180 days ago · 3 km deep · 73 km away
4. 1.610km NW of The Geysers, CAFri, Oct 16, 12:11 PM PDT · 2180 days ago · 2 km deep · 68 km away
5. 2.05km WNW of Cobb, CAFri, Oct 16, 2:54 AM PDT · 2180 days ago · 1 km deep · 71 km away
6. 1.510km ESE of Willits, CAWed, Oct 14, 5:32 AM PDT · 2182 days ago · 5 km deep · 0 km away
7. 1.68km NW of The Geysers, CATue, Oct 13, 8:21 PM PDT · 2182 days ago · 2 km deep · 70 km away
8. 1.67km WNW of The Geysers, CATue, Oct 13, 2:41 PM PDT · 2183 days ago · 2 km deep · 72 km away
9. 2.23km NNW of The Geysers, CATue, Oct 13, 12:45 PM PDT · 2183 days ago · 0 km deep · 75 km away
10. 1.711km ESE of Willits, CAMon, Oct 12, 11:42 PM PDT · 2183 days ago · 6 km deep · 1 km away
11. 2.111km ESE of Willits, CAMon, Oct 12, 11:39 PM PDT · 2183 days ago · 7 km deep · 0 km away
12. 1.820km NNE of Rockport, CAMon, Oct 12, 4:15 PM PDT · 2183 days ago · 6 km deep · 75 km away
13. 1.74km NW of Redwood Valley, CAMon, Oct 12, 2:19 AM PDT · 2184 days ago · 5 km deep · 8 km away
14. 1.98km SSE of Laytonville, CASun, Oct 11, 7:50 PM PDT · 2184 days ago · 5 km deep · 33 km away
15. 1.611km NNW of Redwood Valley, CASat, Oct 10, 9:55 PM PDT · 2185 days ago · 8 km deep · 1 km away
16. 1.89km SE of Covelo, CASat, Oct 10, 4:35 PM PDT · 2185 days ago · 5 km deep · 41 km away
17. 1.73km SSW of Cobb, CASat, Oct 10, 11:00 AM PDT · 2186 days ago · 3 km deep · 77 km away
18. 1.67km NW of The Geysers, CASat, Oct 10, 3:43 AM PDT · 2186 days ago · 3 km deep · 71 km away
19. 1.813km N of Cloverdale, CASat, Oct 10, 12:27 AM PDT · 2186 days ago · 6 km deep · 52 km away · felt by 1
20. 1.611km ESE of Willits, CAFri, Oct 9, 1:47 AM PDT · 2187 days ago · 6 km deep · 0 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73471816. Read Mon, Oct 5, 2026, 10:42 AM UTC.