California earthquakes

M1.8 earthquake 4 km E of Laytonville, California

A magnitude 1.8 earthquake struck 4 km E of Laytonville, California on Sun, Feb 25, 1990, 5:17 AM PST (13:17 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.7 17 km NE of Nice, California. This one was a foreshock.

Laytonville 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
1990-02-25 13:17:31 UTC
Depth
2.3 km (1.4 mi), shallow
Epicenter
39.689° N, 123.430° 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 0.9 km horizontally, 1.5 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
194°, poorly surrounded by stations
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 39 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 1.721 km WSW of Weott, California · 13370 days ago · 11 km deep · 86 km away
  2. 1.64 km ENE of Willits, California · 13369 days ago · 6 km deep · 31 km away
  3. 1.85 km E of Laytonville, California · 13367 days ago · 4 km deep · 1 km away
  4. 1.624 km NE of Potter Valley, California · 13367 days ago · 10 km deep · 47 km away
  5. 1.95 km E of Laytonville, California · 13366 days ago · 5 km deep · 1 km away
  6. 1.910 km SE of Laytonville, California · 13361 days ago · 8 km deep · 9 km away
  7. 1.65 km E of Laytonville, California · 13361 days ago · 4 km deep · 1 km away
  8. 1.84 km NNW of Laytonville, California · 13360 days ago · 5 km deep · 8 km away
  9. 1.60 km SSE of Calpella, California · 13360 days ago · 4 km deep · 55 km away
  10. 1.522 km NNE of Upper Lake, California · 13359 days ago · 7 km deep · 62 km away
  11. 1.91 km N of Calpella, California · 13358 days ago · 7 km deep · 53 km away
  12. 1.627 km NE of Potter Valley, California · 13355 days ago · 10 km deep · 51 km away
  13. 1.61 km NNW of Calpella, California · 13353 days ago · 7 km deep · 53 km away
  14. 2.221 km NE of Potter Valley, California · 13352 days ago · 8 km deep · 51 km away
  15. 1.616 km ENE of Potter Valley, California · 13350 days ago · 0 km deep · 56 km away
  16. 1.77 km SSW of Willits, California · 13348 days ago · 2 km deep · 39 km away
  17. 2.717 km NE of Nice, California · 13343 days ago · 10 km deep · 80 km away
  18. 2.117 km NE of Nice, California · 13343 days ago · 9 km deep · 80 km away
  19. 1.56 km E of Calpella, California · 13342 days ago · 2 km deep · 57 km away
  20. 1.717 km W of Laytonville, California · 13341 days ago · 1 km deep · 22 km away
  21. 2.018 km ENE of Sea Ranch, California · 13340 days ago · 4 km deep · 100 km away
  22. 1.69 km NNE of Nice, California · 13339 days ago · 9 km deep · 76 km away
  23. 1.619 km ENE of Potter Valley, California · 13339 days ago · 5 km deep · 58 km away
  24. 1.83 km NE of Redway, California · 13337 days ago · 21 km deep · 60 km away
  25. 1.88 km S of Leggett, California · 13335 days ago · 3 km deep · 26 km away
  26. 2.618 km ENE of Potter Valley, California · 13334 days ago · 7 km deep · 58 km away
  27. 1.812 km SSW of Scotia, California · 13333 days ago · 29 km deep · 98 km away
  28. 2.18 km ESE of Willits, California · 13332 days ago · 2 km deep · 38 km away
  29. 2.15 km SE of Hopland, California · 13331 days ago · 4 km deep · 89 km away
  30. 2.23 km NNE of Talmage, California · 13327 days ago · 6 km deep · 64 km away
  31. 2.3near the coast of Northern California · 13327 days ago · 2 km deep · 36 km away
  32. 2.323 km WNW of Rancho Tehama Reserve, California · 13321 days ago · -1 km deep · 83 km away
  33. 2.530 km WNW of Rancho Tehama Reserve, California · 13320 days ago · 8 km deep · 77 km away
  34. 2.424 km SSW of Scotia, California · 13319 days ago · 9 km deep · 94 km away
  35. 1.65 km E of Willits, California · 13318 days ago · 5 km deep · 33 km away
  36. 1.68 km W of Weott, California · 13317 days ago · 4 km deep · 86 km away
  37. 1.95 km E of Elk Creek, California · 13316 days ago · 42 km deep · 83 km away
  38. 2.212 km WSW of Hopland, California · 13314 days ago · -1 km deep · 86 km away
  39. 1.521 km E of Potter Valley, California · 13311 days ago · 0 km deep · 61 km away

Before

  1. 1.617 km N of Alderpoint, California · 13374 days ago · 18 km deep · 74 km away
  2. 1.87 km ENE of Brooktrails, California · 13377 days ago · 6 km deep · 26 km away
  3. 3.2near the coast of Northern California · 13377 days ago · 1 km deep · 77 km away
  4. 2.028 km WSW of Leggett, California · 13377 days ago · 2 km deep · 50 km away
  5. 1.99 km NNE of Hopland, California · 13377 days ago · 5 km deep · 78 km away
  6. 2.321 km NE of Potter Valley, California · 13380 days ago · 7 km deep · 49 km away
  7. 2.8near the coast of Northern California · 13380 days ago · 3 km deep · 48 km away
  8. 2.26 km E of Covelo, California · 13382 days ago · 6 km deep · 26 km away
  9. 1.73 km NE of Hopland, California · 13383 days ago · 3 km deep · 83 km away
  10. 2.112 km WSW of Hopland, California · 13384 days ago · -1 km deep · 86 km away
  11. 1.513 km N of Brooktrails, California · 13385 days ago · 5 km deep · 14 km away
  12. 2.119 km WSW of Weott, California · 13385 days ago · 8 km deep · 87 km away
  13. 1.98 km N of Hopland, California · 13389 days ago · -1 km deep · 77 km away
  14. 3.627 km SE of Ruth, California · 13392 days ago · 39 km deep · 52 km away
  15. 2.29 km NE of Weott, California · 13393 days ago · 22 km deep · 85 km away
  16. 2.57 km E of Willits, California · 13393 days ago · 6 km deep · 35 km away
  17. 2.015 km ESE of Mad River, California · 13393 days ago · 29 km deep · 81 km away
  18. 2.35 km NE of Ukiah, California · 13394 days ago · 1 km deep · 60 km away
  19. 1.624 km NE of Potter Valley, California · 13395 days ago · 10 km deep · 46 km away
  20. 1.8near the coast of Northern California · 13396 days ago · 4 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1172607. Read Mon, Oct 5, 2026, 1:38 AM UTC.