California earthquakes

M1.8 earthquake 13km NNE of Brooktrails, CA

A magnitude 1.8 earthquake struck 13km NNE of Brooktrails, CA on Sun, Jan 17, 2021, 1:37 PM PST (21:37 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.8 7km NW of The Geysers, CA. This one was a foreshock.

Brooktrails forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-01-17 21:37:52 UTC
Depth
9.2 km (5.7 mi), shallow
Epicenter
39.556° N, 123.334° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.3 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
91°
Stations used
14

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 145 in the 60 days after this one and 58 in the 30 days before it.

After

  1. 1.63km WNW of Cobb, CA · 2085 days ago · 1 km deep · 94 km away
  2. 2.414km W of Lakeport, CA · 2085 days ago · 1 km deep · 64 km away
  3. 1.614km W of Lakeport, CA · 2085 days ago · 1 km deep · 64 km away
  4. 2.815km W of Lakeport, CA · 2085 days ago · 1 km deep · 63 km away · felt by 18
  5. 1.55km NNW of Redwood Valley, CA · 2084 days ago · 6 km deep · 29 km away
  6. 1.75km NW of The Geysers, CA · 2083 days ago · 3 km deep · 95 km away · felt by 1
  7. 1.88km NW of The Geysers, CA · 2081 days ago · 2 km deep · 92 km away
  8. 1.77km NE of Lower Lake, CA · 2081 days ago · 0 km deep · 96 km away · felt by 1
  9. 1.66km NNW of The Geysers, CA · 2080 days ago · 3 km deep · 94 km away
  10. 1.63km NE of The Geysers, CA · 2079 days ago · 1 km deep · 99 km away
  11. 1.68km NW of The Geysers, CA · 2079 days ago · 2 km deep · 92 km away
  12. 1.96km NNE of Lake Pillsbury, CA · 2079 days ago · 10 km deep · 35 km away
  13. 1.83km SSW of Cobb, CA · 2079 days ago · 2 km deep · 98 km away · felt by 1
  14. 1.77km NW of The Geysers, CA · 2079 days ago · 2 km deep · 93 km away
  15. 2.23km NNE of The Geysers, CA · 2078 days ago · 1 km deep · 98 km away
  16. 1.69km E of Redwood Valley, CA · 2078 days ago · 7 km deep · 40 km away
  17. 1.96km NNW of The Geysers, CA · 2077 days ago · 3 km deep · 94 km away
  18. 1.717km NNE of Nice, CA · 2077 days ago · 12 km deep · 61 km away
  19. 1.73km NE of The Geysers, CA · 2077 days ago · 1 km deep · 99 km away
  20. 2.59km ESE of Redwood Valley, CA · 2077 days ago · 7 km deep · 40 km away · felt by 3
  21. 1.76km NW of The Geysers, CA · 2077 days ago · 3 km deep · 94 km away
  22. 2.318km NNE of Nice, CA · 2077 days ago · 11 km deep · 61 km away · felt by 1
  23. 1.614km ESE of Redwood Valley, CA · 2077 days ago · 8 km deep · 43 km away · felt by 1
  24. 2.12km N of The Geysers, CA · 2076 days ago · 1 km deep · 99 km away · felt by 3
  25. 2.03km NW of Lower Lake, CA · 2076 days ago · 5 km deep · 92 km away · felt by 1
  26. 1.68km NW of The Geysers, CA · 2076 days ago · 2 km deep · 92 km away
  27. 2.210km NNW of Redwood Valley, CA · 2076 days ago · 6 km deep · 24 km away
  28. 1.710km WNW of The Geysers, CA · 2076 days ago · 2 km deep · 91 km away
  29. 1.97km WNW of The Geysers, CA · 2076 days ago · 2 km deep · 94 km away
  30. 2.87km NW of The Geysers, CA · 2075 days ago · 2 km deep · 93 km away · felt by 11
  31. 1.87km NW of The Geysers, CA · 2075 days ago · 1 km deep · 93 km away
  32. 1.88km NW of The Geysers, CA · 2074 days ago · 2 km deep · 92 km away
  33. 1.58km SSW of Kelseyville, CA · 2074 days ago · 4 km deep · 81 km away
  34. 1.55km WNW of Cobb, CA · 2074 days ago · 2 km deep · 93 km away
  35. 3.08km SSW of Kelseyville, CA · 2074 days ago · 5 km deep · 81 km away · felt by 33
  36. 1.98km SSW of Kelseyville, CA · 2074 days ago · 4 km deep · 81 km away · felt by 1
  37. 2.18km SSW of Kelseyville, CA · 2074 days ago · 4 km deep · 81 km away
  38. 1.58km SSW of Kelseyville, CA · 2074 days ago · 5 km deep · 81 km away
  39. 2.58km SSW of Kelseyville, CA · 2074 days ago · 4 km deep · 81 km away · felt by 10
  40. 2.28km SSW of Kelseyville, CA · 2074 days ago · 4 km deep · 82 km away · felt by 11
  41. 2.08km SSW of Kelseyville, CA · 2074 days ago · 5 km deep · 81 km away · felt by 2
  42. 1.78km SSW of Kelseyville, CA · 2074 days ago · 5 km deep · 81 km away
  43. 1.61km NNW of The Geysers, CA · 2073 days ago · 1 km deep · 99 km away · felt by 1
  44. 2.06km NNE of Lake Pillsbury, CA · 2072 days ago · 5 km deep · 35 km away
  45. 1.89km ESE of Redwood Valley, CA · 2072 days ago · 6 km deep · 40 km away
  46. 2.09km ESE of Redwood Valley, CA · 2072 days ago · 7 km deep · 40 km away
  47. 1.72km N of The Geysers, CA · 2072 days ago · 4 km deep · 98 km away
  48. 1.91km NW of The Geysers, CA · 2071 days ago · 2 km deep · 99 km away
  49. 1.77km NW of The Geysers, CA · 2070 days ago · 2 km deep · 94 km away
  50. 2.211km ESE of Willits, CA · 2068 days ago · 6 km deep · 22 km away
  51. 1.834km NNE of Redway, CA · 2067 days ago · 27 km deep · 95 km away
  52. 1.89km WNW of The Geysers, CA · 2067 days ago · 2 km deep · 92 km away
  53. 1.510km WNW of The Geysers, CA · 2067 days ago · 3 km deep · 91 km away
  54. 1.810km NNW of Redwood Valley, CA · 2066 days ago · 6 km deep · 24 km away · felt by 1
  55. 1.57km WNW of Cobb, CA · 2066 days ago · 2 km deep · 92 km away
  56. 1.56km NNW of The Geysers, CA · 2066 days ago · 1 km deep · 94 km away
  57. 1.610km WNW of The Geysers, CA · 2065 days ago · 2 km deep · 91 km away
  58. 2.610km ESE of Redwood Valley, CA · 2064 days ago · 6 km deep · 40 km away · felt by 9
  59. 2.07km NW of The Geysers, CA · 2064 days ago · 3 km deep · 94 km away
  60. 2.07km NW of The Geysers, CA · 2064 days ago · 2 km deep · 93 km away

The first 60 of 145.

Before

  1. 2.73km NE of The Geysers, CA · 2086 days ago · 2 km deep · 99 km away · felt by 2
  2. 1.610km WNW of The Geysers, CA · 2088 days ago · 3 km deep · 91 km away
  3. 1.67km W of Cobb, CA · 2089 days ago · 2 km deep · 92 km away
  4. 2.214km W of Lakeport, CA · 2090 days ago · 2 km deep · 63 km away · felt by 1
  5. 1.95km S of Boonville, CA · 2091 days ago · 0 km deep · 66 km away
  6. 1.75km WNW of Cobb, CA · 2092 days ago · 2 km deep · 93 km away
  7. 1.63km NE of The Geysers, CA · 2092 days ago · 0 km deep · 99 km away
  8. 1.67km ENE of Laytonville, CA · 2092 days ago · 11 km deep · 19 km away
  9. 2.012km SE of Laytonville, CA · 2092 days ago · 7 km deep · 8 km away
  10. 1.57km NE of Laytonville, CA · 2093 days ago · 10 km deep · 20 km away
  11. 1.61km NW of The Geysers, CA · 2094 days ago · 2 km deep · 99 km away
  12. 1.74km S of Redwood Valley, CA · 2095 days ago · 6 km deep · 38 km away
  13. 1.810km ESE of Willits, CA · 2096 days ago · 7 km deep · 22 km away
  14. 1.68km W of Cobb, CA · 2096 days ago · 2 km deep · 92 km away
  15. 1.95km W of Cobb, CA · 2097 days ago · 1 km deep · 95 km away · felt by 2
  16. 1.68km NW of The Geysers, CA · 2097 days ago · 2 km deep · 92 km away · felt by 9
  17. 1.710km SE of Willits, CA · 2098 days ago · 5 km deep · 23 km away
  18. 1.63km S of Cobb, CA · 2098 days ago · 2 km deep · 99 km away
  19. 1.73km NE of The Geysers, CA · 2100 days ago · 0 km deep · 99 km away
  20. 1.78km WSW of Upper Lake, CA · 2101 days ago · 9 km deep · 56 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73512695. Read Sun, Oct 4, 2026, 5:20 AM UTC.