California earthquakes

M2.7 earthquake 147 km W of Ferndale, California

A magnitude 2.7 earthquake struck 147 km W of Ferndale, California on Sat, Jul 11, 1981, 7:54 PM PDT (02:54 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.2 83 km WSW of Ferndale, California. This one was a foreshock.

Ferndale 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
2.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1981-07-12 02:54:57 UTC
Depth
12.5 km (7.8 mi), shallow
Epicenter
40.483° N, 126.000° 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 8.8 km horizontally, 10.4 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
313°, poorly surrounded by stations
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 3.283 km WSW of Ferndale, California · 16516 days ago · 64 km deep · 66 km away
  2. 2.280 km W of Ferndale, California · 16512 days ago · 3 km deep · 67 km away
  3. 1.889 km W of Trinidad, California · 16509 days ago · 5 km deep · 95 km away
  4. 2.371 km W of Ferndale, California · 16509 days ago · 5 km deep · 76 km away
  5. 2.898 km WSW of Ferndale, California · 16505 days ago · 15 km deep · 52 km away
  6. 2.059 km WNW of Indianola, California · 16494 days ago · 7 km deep · 100 km away
  7. 3.2off the coast of Northern California · 16493 days ago · 4 km deep · 32 km away
  8. 3.083 km WSW of Ferndale, California · 16493 days ago · 5 km deep · 66 km away
  9. 3.273 km WSW of Ferndale, California · 16492 days ago · 12 km deep · 75 km away
  10. 2.494 km W of Ferndale, California · 16486 days ago · 8 km deep · 54 km away
  11. 2.498 km W of Ferndale, California · 16485 days ago · 4 km deep · 53 km away
  12. 3.091 km W of Ferndale, California · 16485 days ago · 40 km deep · 57 km away
  13. 2.8122 km W of Ferndale, California · 16485 days ago · 2 km deep · 26 km away
  14. 2.353 km W of Ferndale, California · 16483 days ago · 5 km deep · 94 km away
  15. 2.5105 km W of Ferndale, California · 16482 days ago · 4 km deep · 45 km away
  16. 2.276 km WSW of Ferndale, California · 16481 days ago · 5 km deep · 77 km away
  17. 2.398 km WSW of Ferndale, California · 16477 days ago · 7 km deep · 53 km away
  18. 3.261 km WNW of Indianola, California · 16472 days ago · 9 km deep · 98 km away
  19. 2.8100 km W of Trinidad, California · 16462 days ago · 13 km deep · 91 km away
  20. 2.049 km W of Ferndale, California · 16458 days ago · 20 km deep · 98 km away

Before

  1. 2.277 km W of Ferndale, California · 16518 days ago · 11 km deep · 74 km away
  2. 3.883 km W of Ferndale, California · 16518 days ago · 5 km deep · 68 km away
  3. 3.3116 km W of Ferndale, California · 16534 days ago · 5 km deep · 42 km away
  4. 3.1122 km W of Ferndale, California · 16534 days ago · 5 km deep · 36 km away
  5. 2.480 km W of Ferndale, California · 16535 days ago · 4 km deep · 67 km away
  6. 3.263 km WSW of Ferndale, California · 16536 days ago · 24 km deep · 89 km away
  7. 4.087 km W of Ferndale, California · 16536 days ago · 5 km deep · 61 km away
  8. 3.159 km WSW of Ferndale, California · 16539 days ago · 14 km deep · 92 km away
  9. 3.871 km WSW of Ferndale, California · 16540 days ago · 0 km deep · 78 km away
  10. 2.052 km W of Ferndale, California · 16541 days ago · 12 km deep · 95 km away
  11. 2.067 km WSW of Ferndale, California · 16541 days ago · 5 km deep · 81 km away
  12. 3.586 km WSW of Ferndale, California · 16541 days ago · 68 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1065468. Read Fri, Oct 2, 2026, 5:34 AM UTC.