California earthquakes

M1.9 earthquake 15km N of Brooktrails, CA

A magnitude 1.9 earthquake struck 15km N of Brooktrails, CA on Thu, May 27, 2021, 9:16 AM PDT (16:16 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.0 7km WNW 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
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-05-27 16:16:46 UTC
Depth
7.2 km (4.5 mi), shallow
Epicenter
39.579° N, 123.378° 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, 0.6 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
78°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 148 in the 60 days after this one and 85 in the 30 days before it.

After

  1. 1.87km W of Cobb, CA · 1955 days ago · 3 km deep · 97 km away
  2. 1.719km SW of Laytonville, CA · 1955 days ago · 8 km deep · 20 km away
  3. 1.66km NNW of The Geysers, CA · 1955 days ago · 3 km deep · 98 km away
  4. 2.07km NW of The Geysers, CA · 1954 days ago · 2 km deep · 97 km away
  5. 1.78km NNW of Redwood Valley, CA · 1954 days ago · 7 km deep · 29 km away
  6. 1.69km NNW of Redwood Valley, CA · 1954 days ago · 6 km deep · 29 km away
  7. 1.67km E of Willits, CA · 1954 days ago · 5 km deep · 21 km away
  8. 1.710km SW of Ukiah, CA · 1953 days ago · 1 km deep · 54 km away
  9. 2.07km NW of The Geysers, CA · 1953 days ago · 3 km deep · 97 km away
  10. 1.73km W of Cobb, CA · 1952 days ago · 2 km deep · 100 km away
  11. 2.27km E of Willits, CA · 1952 days ago · 7 km deep · 20 km away
  12. 2.16km WNW of The Geysers, CA · 1951 days ago · 3 km deep · 99 km away
  13. 1.76km NW of The Geysers, CA · 1951 days ago · 3 km deep · 98 km away
  14. 1.89km NNW of Redwood Valley, CA · 1950 days ago · 5 km deep · 29 km away
  15. 1.86km E of Willits, CA · 1950 days ago · 1 km deep · 20 km away
  16. 1.612km ENE of Cloverdale, CA · 1950 days ago · 3 km deep · 93 km away
  17. 1.56km NW of The Geysers, CA · 1950 days ago · 3 km deep · 98 km away
  18. 2.130km NE of Redway, CA · 1949 days ago · 23 km deep · 83 km away
  19. 1.94km NNW of Lake Pillsbury, CA · 1949 days ago · 10 km deep · 38 km away
  20. 1.57km NW of The Geysers, CA · 1949 days ago · 2 km deep · 97 km away
  21. 2.38km NW of The Geysers, CA · 1949 days ago · 2 km deep · 96 km away
  22. 2.28km W of Cobb, CA · 1949 days ago · 2 km deep · 96 km away
  23. 2.012km WNW of Lake Pillsbury, CA · 1948 days ago · 4 km deep · 29 km away
  24. 1.58km W of Cobb, CA · 1948 days ago · 2 km deep · 96 km away
  25. 1.510km WNW of Cobb, CA · 1948 days ago · 1 km deep · 93 km away
  26. 1.94km W of Cobb, CA · 1947 days ago · 2 km deep · 100 km away
  27. 1.66km NW of The Geysers, CA · 1947 days ago · 3 km deep · 98 km away
  28. 1.96km NW of The Geysers, CA · 1947 days ago · 3 km deep · 98 km away
  29. 1.98km NNW of Redwood Valley, CA · 1946 days ago · 6 km deep · 30 km away
  30. 1.516km E of Navarro Head, CA · 1945 days ago · 5 km deep · 49 km away
  31. 2.16km WNW of The Geysers, CA · 1945 days ago · 3 km deep · 99 km away
  32. 1.96km SSE of Redwood Valley, CA · 1945 days ago · 2 km deep · 44 km away
  33. 1.95km SSE of Redwood Valley, CA · 1945 days ago · 5 km deep · 43 km away · felt by 1
  34. 2.45km NW of The Geysers, CA · 1944 days ago · 2 km deep · 99 km away · felt by 4
  35. 1.76km NW of The Geysers, CA · 1944 days ago · 3 km deep · 99 km away
  36. 1.910km SE of Willits, CA · 1943 days ago · 6 km deep · 27 km away
  37. 1.510km SE of Willits, CA · 1943 days ago · 5 km deep · 27 km away
  38. 1.914km SE of Lake Pillsbury, CA · 1943 days ago · 4 km deep · 55 km away
  39. 2.011km W of Alder Springs, CA · 1942 days ago · -1 km deep · 46 km away
  40. 1.77km W of Cobb, CA · 1942 days ago · 3 km deep · 96 km away
  41. 1.57km NW of The Geysers, CA · 1941 days ago · 2 km deep · 97 km away
  42. 1.57km NW of The Geysers, CA · 1939 days ago · 3 km deep · 97 km away
  43. 1.54km W of Cobb, CA · 1939 days ago · 2 km deep · 99 km away
  44. 1.88km W of Cobb, CA · 1939 days ago · 2 km deep · 96 km away
  45. 4.07km WNW of The Geysers, CA · 1939 days ago · 3 km deep · 98 km away · felt by 83
  46. 1.68km WNW of The Geysers, CA · 1939 days ago · 2 km deep · 98 km away
  47. 1.816km NE of Upper Lake, CA · 1938 days ago · 2 km deep · 60 km away
  48. 4.07km WNW of The Geysers, CA · 1938 days ago · 4 km deep · 98 km away · felt by 22
  49. 3.09km WNW of The Geysers, CA · 1938 days ago · 2 km deep · 96 km away · felt by 3
  50. 1.58km NW of The Geysers, CA · 1937 days ago · 2 km deep · 96 km away
  51. 1.86km N of Lake Pillsbury, CA · 1937 days ago · 1 km deep · 38 km away
  52. 1.68km ENE of Willits, CA · 1937 days ago · 7 km deep · 19 km away
  53. 1.810km SE of Willits, CA · 1937 days ago · 5 km deep · 27 km away
  54. 2.212km E of Navarro Head, CA · 1937 days ago · 4 km deep · 48 km away
  55. 1.94km NNW of Laytonville, CA · 1936 days ago · 12 km deep · 19 km away
  56. 1.87km NW of The Geysers, CA · 1936 days ago · 2 km deep · 97 km away
  57. 1.79km SSE of Point Arena, CA · 1935 days ago · 7 km deep · 84 km away
  58. 1.67km NW of The Geysers, CA · 1935 days ago · 1 km deep · 97 km away
  59. 2.715km ESE of Lake Pillsbury, CA · 1935 days ago · 7 km deep · 56 km away
  60. 1.84km NNE of Lake Pillsbury, CA · 1934 days ago · 11 km deep · 41 km away

The first 60 of 148.

Before

  1. 1.66km NNW of The Geysers, CA · 1956 days ago · 3 km deep · 98 km away
  2. 2.84km NW of Cobb, CA · 1956 days ago · 1 km deep · 97 km away · felt by 1
  3. 1.710km WNW of The Geysers, CA · 1956 days ago · 2 km deep · 95 km away
  4. 1.69km WNW of The Geysers, CA · 1957 days ago · 3 km deep · 96 km away
  5. 2.94km SSE of Redwood Valley, CA · 1957 days ago · 5 km deep · 42 km away · felt by 232
  6. 2.012km WNW of Redwood Valley, CA · 1957 days ago · 5 km deep · 32 km away
  7. 1.97km NW of The Geysers, CA · 1958 days ago · 3 km deep · 98 km away
  8. 1.810km NNW of Redwood Valley, CA · 1958 days ago · 7 km deep · 28 km away
  9. 1.52km WNW of Laytonville, CA · 1958 days ago · 4 km deep · 17 km away
  10. 1.611km NNE of Boonville, CA · 1958 days ago · -1 km deep · 53 km away
  11. 1.518km NNW of Cloverdale, CA · 1958 days ago · 3 km deep · 74 km away
  12. 1.911km N of Covelo, CA · 1959 days ago · 8 km deep · 36 km away
  13. 1.76km NW of The Geysers, CA · 1959 days ago · 3 km deep · 98 km away
  14. 2.610km NNW of Redwood Valley, CA · 1960 days ago · 5 km deep · 28 km away · felt by 7
  15. 1.65km NW of The Geysers, CA · 1960 days ago · 1 km deep · 99 km away
  16. 1.65km NW of The Geysers, CA · 1961 days ago · 1 km deep · 99 km away
  17. 1.98km WNW of Cobb, CA · 1961 days ago · 3 km deep · 96 km away
  18. 1.84km NW of The Geysers, CA · 1961 days ago · 3 km deep · 100 km away
  19. 1.911km WNW of The Geysers, CA · 1962 days ago · 2 km deep · 94 km away
  20. 1.78km SE of Talmage, CA · 1962 days ago · 4 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73566161. Read Sat, Oct 3, 2026, 9:41 PM UTC.