California earthquakes

M2.1 earthquake 12 km WSW of Weott, California

A magnitude 2.1 earthquake struck 12 km WSW of Weott, California on Sun, Jul 21, 1985, 1:25 AM PDT (08:25 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M5.0 63 km WSW of Ferndale, California. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.1 (md), micro
Local time
UTC
1985-07-21 08:25:01 UTC
Depth
0.3 km (0.2 mi), shallow
Epicenter
40.271° N, 124.047° 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 1.9 km horizontally, 5.5 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
109°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 33 in the 30 days before it.

After

  1. 2.112 km NE of Redcrest, California · 15037 days ago · 6 km deep · 28 km away
  2. 5.063 km WSW of Ferndale, California · 15035 days ago · 4 km deep · 75 km away
  3. 1.825 km SSE of Ruth, California · 15034 days ago · 21 km deep · 77 km away
  4. 2.325 km SSE of Ruth, California · 15034 days ago · 22 km deep · 77 km away
  5. 2.627 km SSW of Ferndale, California · 15032 days ago · 15 km deep · 33 km away
  6. 4.281 km WSW of Ferndale, California · 15031 days ago · 4 km deep · 99 km away
  7. 2.680 km WSW of Ferndale, California · 15031 days ago · 4 km deep · 96 km away
  8. 2.820 km ENE of Hydesville, California · 15031 days ago · 21 km deep · 40 km away
  9. 1.77 km ENE of Redcrest, California · 15030 days ago · 23 km deep · 23 km away
  10. 2.56 km E of Hayfork, California · 15026 days ago · 28 km deep · 86 km away
  11. 1.56 km W of Covelo, California · 15023 days ago · 6 km deep · 81 km away
  12. 2.779 km W of Ferndale, California · 15022 days ago · 3 km deep · 100 km away
  13. 1.69 km SW of Alderpoint, California · 15021 days ago · 22 km deep · 36 km away
  14. 1.713 km N of Brooktrails, California · 15020 days ago · 6 km deep · 98 km away
  15. 1.923 km SW of Scotia, California · 15016 days ago · 8 km deep · 25 km away
  16. 2.126 km SW of Scotia, California · 15013 days ago · 10 km deep · 27 km away
  17. 2.146 km W of Ferndale, California · 15009 days ago · 21 km deep · 69 km away
  18. 1.935 km SW of Ferndale, California · 15009 days ago · 12 km deep · 39 km away
  19. 2.336 km SW of Ferndale, California · 15006 days ago · 20 km deep · 39 km away
  20. 2.111 km WNW of Hyampom, California · 15005 days ago · 20 km deep · 57 km away
  21. 2.028 km SSW of Ferndale, California · 15004 days ago · 13 km deep · 33 km away
  22. 2.644 km WSW of Ferndale, California · 15003 days ago · 17 km deep · 57 km away
  23. 2.419 km SSE of Blue Lake, California · 15000 days ago · 24 km deep · 53 km away
  24. 1.925 km SSW of Scotia, California · 14999 days ago · 7 km deep · 15 km away
  25. 2.4near the coast of Northern California · 14998 days ago · 13 km deep · 42 km away
  26. 3.722 km NW of Mad River, California · 14997 days ago · 23 km deep · 44 km away
  27. 2.024 km WSW of Ferndale, California · 14997 days ago · 26 km deep · 45 km away
  28. 1.616 km ENE of Leggett, California · 14996 days ago · 2 km deep · 61 km away
  29. 2.59 km SSW of Hyampom, California · 14994 days ago · 5 km deep · 55 km away
  30. 2.58 km SE of Alderpoint, California · 14994 days ago · 3 km deep · 46 km away
  31. 2.529 km SW of Ferndale, California · 14993 days ago · 16 km deep · 45 km away
  32. 2.121 km W of Hyampom, California · 14993 days ago · 22 km deep · 51 km away
  33. 1.622 km W of Hyampom, California · 14993 days ago · 4 km deep · 45 km away
  34. 1.620 km W of Hyampom, California · 14993 days ago · 18 km deep · 49 km away
  35. 2.938 km SW of Ferndale, California · 14993 days ago · 19 km deep · 44 km away
  36. 2.837 km SW of Ferndale, California · 14992 days ago · 21 km deep · 41 km away
  37. 2.654 km SW of Ferndale, California · 14988 days ago · 7 km deep · 60 km away
  38. 3.337 km SW of Ferndale, California · 14988 days ago · 2 km deep · 50 km away

Before

  1. 2.220 km W of Weott, California · 15040 days ago · 5 km deep · 10 km away
  2. 1.715 km W of Weott, California · 15042 days ago · 11 km deep · 7 km away
  3. 3.09km N of Petrolia, CA · 15043 days ago · 24 km deep · 25 km away
  4. 2.436 km SW of Ferndale, California · 15048 days ago · 9 km deep · 41 km away
  5. 3.329 km W of Shelter Cove, California · 15048 days ago · 5 km deep · 39 km away
  6. 1.76 km ESE of Scotia, California · 15049 days ago · 4 km deep · 21 km away
  7. 2.123 km SSW of Scotia, California · 15050 days ago · 11 km deep · 18 km away
  8. 2.07 km NNE of Hyampom, California · 15051 days ago · 4 km deep · 70 km away
  9. 2.210 km W of Scotia, California · 15051 days ago · 21 km deep · 26 km away
  10. 2.810 km W of Scotia, California · 15051 days ago · 22 km deep · 26 km away
  11. 1.7near the coast of Northern California · 15052 days ago · 4 km deep · 34 km away
  12. 1.8near the coast of Northern California · 15053 days ago · 17 km deep · 36 km away
  13. 1.619 km SW of Weott, California · 15053 days ago · 4 km deep · 8 km away
  14. 2.53 km N of Redway, California · 15053 days ago · 19 km deep · 24 km away
  15. 2.318 km NNW of Junction City, California · 15054 days ago · 32 km deep · 99 km away
  16. 2.817 km WNW of Indianola, California · 15054 days ago · 6 km deep · 61 km away
  17. 2.319 km NNW of Shelter Cove, California · 15055 days ago · 4 km deep · 10 km away
  18. 1.615 km WSW of Weott, California · 15055 days ago · 4 km deep · 3 km away
  19. 2.128 km SW of Ferndale, California · 15056 days ago · 17 km deep · 39 km away
  20. 1.85 km SW of Ferndale, California · 15056 days ago · 13 km deep · 38 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc52399. Read Thu, Sep 24, 2026, 1:32 PM UTC.