California earthquakes

M1.6 earthquake 14km NNE of Brooktrails, CA

A magnitude 1.6 earthquake struck 14km NNE of Brooktrails, CA on Fri, Sep 17, 2021, 9:51 AM PDT (16:51 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.1 19km NW of Covelo, 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-09-17 16:51:33 UTC
Depth
8.3 km (5.1 mi), shallow
Epicenter
39.566° N, 123.346° 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 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
95°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 146 in the 60 days after this one and 64 in the 30 days before it.

After

  1. 1.913km W of Alder Springs, CA · 1842 days ago · 0 km deep · 41 km away
  2. 1.96km ESE of Lake Pillsbury, CA · 1842 days ago · 5 km deep · 43 km away
  3. 1.55km NW of The Geysers, CA · 1841 days ago · 3 km deep · 96 km away
  4. 2.09km WNW of The Geysers, CA · 1840 days ago · 2 km deep · 94 km away
  5. 1.66km NW of Boonville, CA · 1840 days ago · 0 km deep · 58 km away
  6. 1.86km SE of Lake Pillsbury, CA · 1838 days ago · 2 km deep · 44 km away
  7. 2.63km NW of The Geysers, CA · 1837 days ago · 3 km deep · 98 km away · felt by 3
  8. 1.76km NW of The Geysers, CA · 1836 days ago · 3 km deep · 95 km away
  9. 1.76km NW of The Geysers, CA · 1836 days ago · 3 km deep · 95 km away
  10. 1.73km NNW of The Geysers, CA · 1836 days ago · 1 km deep · 98 km away
  11. 2.16km SW of Laytonville, CA · 1836 days ago · 3 km deep · 18 km away
  12. 2.012km ESE of Boonville, CA · 1834 days ago · 0 km deep · 69 km away
  13. 2.322km N of Lake Pillsbury, CA · 1834 days ago · 13 km deep · 30 km away · felt by 2
  14. 1.814km SE of Lake Pillsbury, CA · 1831 days ago · 7 km deep · 51 km away
  15. 1.816km NE of Upper Lake, CA · 1830 days ago · -1 km deep · 58 km away
  16. 1.710km NNW of Redwood Valley, CA · 1829 days ago · 6 km deep · 26 km away
  17. 1.82km SSW of Cobb, CA · 1829 days ago · 1 km deep · 100 km away
  18. 1.62km N of The Geysers, CA · 1828 days ago · 2 km deep · 100 km away
  19. 1.910km NW of The Geysers, CA · 1828 days ago · 2 km deep · 92 km away
  20. 2.314km SE of Rockport, CA · 1828 days ago · 0 km deep · 31 km away
  21. 1.55km WNW of The Geysers, CA · 1828 days ago · 1 km deep · 97 km away
  22. 1.74km W of Cobb, CA · 1827 days ago · 2 km deep · 97 km away
  23. 1.73km ENE of Talmage, CA · 1827 days ago · 9 km deep · 50 km away
  24. 1.78km W of Cobb, CA · 1827 days ago · 2 km deep · 94 km away
  25. 2.15km WNW of Cobb, CA · 1826 days ago · 2 km deep · 95 km away
  26. 1.810km WNW of The Geysers, CA · 1826 days ago · 3 km deep · 93 km away
  27. 1.58km NW of The Geysers, CA · 1825 days ago · 2 km deep · 93 km away
  28. 2.28km NW of The Geysers, CA · 1825 days ago · 2 km deep · 94 km away
  29. 1.84km NW of The Geysers, CA · 1825 days ago · 0 km deep · 97 km away
  30. 1.69km W of Cobb, CA · 1823 days ago · 2 km deep · 93 km away
  31. 1.912km SE of Covelo, CA · 1823 days ago · -1 km deep · 22 km away
  32. 2.010km N of Lake Pillsbury, CA · 1823 days ago · 8 km deep · 34 km away
  33. 1.713km SSE of Point Arena, CA · 1822 days ago · 1 km deep · 87 km away
  34. 1.89km WNW of Cobb, CA · 1822 days ago · 3 km deep · 93 km away
  35. 1.97km W of Cobb, CA · 1822 days ago · 2 km deep · 94 km away · felt by 1
  36. 1.78km NW of The Geysers, CA · 1822 days ago · 2 km deep · 93 km away
  37. 1.69km WNW of The Geysers, CA · 1821 days ago · 3 km deep · 94 km away
  38. 1.66km NE of Willits, CA · 1821 days ago · 6 km deep · 13 km away
  39. 2.61km NW of The Geysers, CA · 1820 days ago · 2 km deep · 100 km away · felt by 2
  40. 1.73km N of The Geysers, CA · 1820 days ago · 0 km deep · 98 km away
  41. 1.811km N of Lake Pillsbury, CA · 1819 days ago · 4 km deep · 33 km away · felt by 2
  42. 2.111km N of Lake Pillsbury, CA · 1819 days ago · 6 km deep · 33 km away
  43. 1.98km NW of The Geysers, CA · 1818 days ago · 2 km deep · 94 km away
  44. 2.011km N of Lake Pillsbury, CA · 1818 days ago · 7 km deep · 33 km away
  45. 1.77km NW of The Geysers, CA · 1818 days ago · 2 km deep · 95 km away
  46. 1.97km NW of The Geysers, CA · 1818 days ago · 3 km deep · 95 km away · felt by 1
  47. 2.112km SE of Talmage, CA · 1818 days ago · 4 km deep · 62 km away
  48. 1.910km WNW of The Geysers, CA · 1817 days ago · 3 km deep · 93 km away
  49. 1.74km W of Cobb, CA · 1817 days ago · 2 km deep · 97 km away
  50. 1.914km ESE of Lake Pillsbury, CA · 1817 days ago · 0 km deep · 51 km away
  51. 2.35km NW of The Geysers, CA · 1817 days ago · 2 km deep · 96 km away
  52. 2.412km N of Lake Pillsbury, CA · 1816 days ago · 8 km deep · 33 km away · felt by 2
  53. 2.66km NW of The Geysers, CA · 1816 days ago · 2 km deep · 96 km away · felt by 2
  54. 1.59km NE of Cloverdale, CA · 1816 days ago · 4 km deep · 86 km away · felt by 1
  55. 1.510km N of Cloverdale, CA · 1815 days ago · 6 km deep · 80 km away
  56. 3.014km N of Cloverdale, CA · 1814 days ago · 4 km deep · 76 km away · felt by 43
  57. 2.08km SSE of Redway, CA · 1814 days ago · 17 km deep · 66 km away
  58. 1.98km SSE of Redway, CA · 1814 days ago · 17 km deep · 66 km away
  59. 1.89km WNW of The Geysers, CA · 1813 days ago · 2 km deep · 94 km away
  60. 1.79km NW of The Geysers, CA · 1813 days ago · 2 km deep · 93 km away

The first 60 of 146.

Before

  1. 1.510km W of Redwood Valley, CA · 1843 days ago · 5 km deep · 33 km away
  2. 1.714km SE of Lake Pillsbury, CA · 1843 days ago · 1 km deep · 51 km away
  3. 2.45km WNW of The Geysers, CA · 1843 days ago · 4 km deep · 97 km away
  4. 2.01km WNW of Stony Gorge Reservoir, CA · 1843 days ago · 13 km deep · 69 km away
  5. 1.712km SE of Point Arena, CA · 1844 days ago · 4 km deep · 82 km away
  6. 1.710km NNW of Redwood Valley, CA · 1847 days ago · 8 km deep · 26 km away
  7. 2.55km NW of The Geysers, CA · 1848 days ago · 2 km deep · 96 km away
  8. 1.58km NNW of Laytonville, CA · 1848 days ago · 10 km deep · 26 km away
  9. 1.714km W of Redwood Valley, CA · 1848 days ago · 5 km deep · 33 km away
  10. 2.38km NW of Laytonville, CA · 1848 days ago · 8 km deep · 26 km away
  11. 2.422km N of Laytonville, CA · 1848 days ago · 6 km deep · 38 km away · felt by 1
  12. 2.05km ENE of Talmage, CA · 1849 days ago · 9 km deep · 50 km away
  13. 1.63km SSE of Redwood Valley, CA · 1850 days ago · 6 km deep · 38 km away
  14. 1.76km WNW of Cobb, CA · 1850 days ago · 2 km deep · 95 km away
  15. 2.36km W of Cobb, CA · 1850 days ago · 3 km deep · 95 km away
  16. 2.15km NW of The Geysers, CA · 1851 days ago · 2 km deep · 96 km away
  17. 1.87km ENE of Brooktrails, CA · 1851 days ago · 6 km deep · 11 km away
  18. 1.77km NW of The Geysers, CA · 1852 days ago · 3 km deep · 95 km away
  19. 1.57km W of Cobb, CA · 1852 days ago · 2 km deep · 94 km away
  20. 1.97km NW of Laytonville, CA · 1852 days ago · 8 km deep · 25 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73626041. Read Sun, Oct 4, 2026, 12:24 AM UTC.