California earthquakes

M2.5 earthquake 23 km NNE of Redcrest, California

A magnitude 2.5 earthquake struck 23 km NNE of Redcrest, California on Tue, Nov 3, 1987, 5:09 PM PST (01:09 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.4 36 km W 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
2.5 (md), micro
Local time
UTC
1987-11-04 01:09:22 UTC
Depth
3.7 km (2.3 mi), shallow
Epicenter
40.589° N, 123.820° 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 17.2 km horizontally, 11.0 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
260°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 47 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.42 km NNW of French Gulch, California · 14200 days ago · 4 km deep · 99 km away
  2. 2.212 km S of Ferndale, California · 14196 days ago · 0 km deep · 39 km away
  3. 3.436 km W of Ferndale, California · 14194 days ago · 2 km deep · 74 km away
  4. 3.836 km WNW of Samoa, California · 14193 days ago · 14 km deep · 74 km away
  5. 2.551 km WSW of Ferndale, California · 14192 days ago · 23 km deep · 87 km away
  6. 3.231 km SW of Ferndale, California · 14188 days ago · 4 km deep · 64 km away
  7. 2.16 km WSW of Hydesville, California · 14185 days ago · 8 km deep · 31 km away
  8. 3.825 km SSW of Ferndale, California · 14184 days ago · 21 km deep · 56 km away
  9. 2.240 km ESE of Ruth, California · 14184 days ago · 7 km deep · 94 km away
  10. 3.040 km ESE of Ruth, California · 14184 days ago · -1 km deep · 93 km away
  11. 1.710 km SW of Ferndale, California · 14183 days ago · 22 km deep · 46 km away
  12. 1.826 km SSW of Ferndale, California · 14183 days ago · 16 km deep · 56 km away
  13. 2.340 km E of Ruth, California · 14181 days ago · 2 km deep · 92 km away
  14. 1.922 km SSW of Ferndale, California · 14181 days ago · 19 km deep · 54 km away
  15. 2.536 km NW of Paskenta, California · 14180 days ago · 4 km deep · 99 km away
  16. 2.236 km SE of Ruth, California · 14180 days ago · -1 km deep · 92 km away
  17. 1.936 km NW of Paskenta, California · 14180 days ago · -1 km deep · 98 km away
  18. 2.013 km WNW of Covelo, California · 14180 days ago · 4 km deep · 92 km away
  19. 1.939 km E of Ruth, California · 14179 days ago · 4 km deep · 91 km away
  20. 1.92 km NW of Ferndale, California · 14179 days ago · 4 km deep · 40 km away
  21. 3.233 km SSW of Ferndale, California · 14177 days ago · 11 km deep · 61 km away
  22. 2.34 km N of Ferndale, California · 14177 days ago · 10 km deep · 38 km away
  23. 2.05 km SSE of Ferndale, California · 14177 days ago · 14 km deep · 36 km away
  24. 1.929 km NNW of Willow Creek, California · 14176 days ago · -1 km deep · 68 km away
  25. 2.25 km NNW of Ferndale, California · 14176 days ago · 1 km deep · 40 km away
  26. 2.63 km NNW of Hydesville, California · 14176 days ago · 4 km deep · 25 km away
  27. 3.223 km SSW of Ferndale, California · 14176 days ago · 19 km deep · 53 km away
  28. 3.436 km NW of Paskenta, California · 14175 days ago · -1 km deep · 97 km away
  29. 3.739 km NW of Paskenta, California · 14175 days ago · 6 km deep · 95 km away
  30. 1.98 km W of Indianola, California · 14175 days ago · 4 km deep · 45 km away
  31. 3.937 km NW of Paskenta, California · 14173 days ago · 0 km deep · 99 km away
  32. 2.339 km ESE of Ruth, California · 14173 days ago · -1 km deep · 93 km away
  33. 3.438 km WNW of Rancho Tehama Reserve, California · 14173 days ago · -1 km deep · 97 km away
  34. 2.138 km NW of Paskenta, California · 14173 days ago · -1 km deep · 96 km away
  35. 2.338 km NW of Paskenta, California · 14171 days ago · -1 km deep · 95 km away
  36. 2.24 km NNE of Ruth, California · 14171 days ago · 4 km deep · 54 km away
  37. 2.658 km WSW of Ferndale, California · 14171 days ago · 4 km deep · 95 km away
  38. 2.815 km SE of Indianola, California · 14170 days ago · 22 km deep · 18 km away
  39. 3.828 km SSW of Ferndale, California · 14170 days ago · 15 km deep · 57 km away
  40. 3.329 km SSW of Ferndale, California · 14169 days ago · 18 km deep · 59 km away
  41. 2.68 km WSW of Ferndale, California · 14169 days ago · 18 km deep · 46 km away
  42. 2.234 km SW of Scotia, California · 14169 days ago · 18 km deep · 60 km away
  43. 2.728 km SW of Ferndale, California · 14166 days ago · 3 km deep · 60 km away
  44. 2.518 km SSW of Scotia, California · 14159 days ago · 22 km deep · 42 km away
  45. 2.341 km WNW of Rancho Tehama Reserve, California · 14157 days ago · 4 km deep · 95 km away
  46. 2.57 km NE of Miranda, California · 14150 days ago · 8 km deep · 34 km away
  47. 2.411 km SSW of Willow Creek, California · 14143 days ago · 4 km deep · 31 km away

Before

  1. 2.628 km SW of Ferndale, California · 14203 days ago · 22 km deep · 61 km away
  2. 2.717 km NE of Phillipsville, California · 14207 days ago · 4 km deep · 30 km away
  3. 2.3Northern California · 14211 days ago · 4 km deep · 9 km away
  4. 2.414 km S of Ferndale, California · 14215 days ago · 24 km deep · 42 km away
  5. 3.923 km WNW of Fields Landing, California · 14222 days ago · 1 km deep · 60 km away
  6. 2.013 km SSW of Mad River, California · 14222 days ago · 4 km deep · 33 km away
  7. 2.725 km SSW of Ferndale, California · 14224 days ago · 4 km deep · 54 km away
  8. 2.012 km NNW of French Gulch, California · 14228 days ago · 4 km deep · 98 km away
  9. 1.813 km WNW of Mad River, California · 14229 days ago · 4 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc10085465. Read Tue, Sep 22, 2026, 11:18 AM UTC.