California earthquakes

M2.1 earthquake 2 km SW of Forest Ranch, California

A magnitude 2.1 earthquake struck 2 km SW of Forest Ranch, California on Sat, Feb 14, 1981, 8:04 AM PST (16:04 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M3.3 5 km NE of Canyondam, California. This one was a foreshock.

Forest Ranch 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
2.1 (md), micro
Local time
UTC
1981-02-14 16:04:26 UTC
Depth
20.3 km (12.6 mi), shallow
Epicenter
39.868° N, 121.692° 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 1.8 km horizontally, 2.3 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
222°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 33 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 2.18 km SE of Orland, California · 16663 days ago · 26 km deep · 41 km away
  2. 1.95 km WSW of Whitehawk, California · 16662 days ago · 0 km deep · 95 km away
  3. 2.19 km S of East Quincy, California · 16662 days ago · 2 km deep · 67 km away
  4. 2.04 km SE of Palermo, California · 16662 days ago · 6 km deep · 54 km away
  5. 2.02 km SSE of Cromberg, California · 16660 days ago · -1 km deep · 87 km away
  6. 3.07 km SW of Whitehawk, California · 16659 days ago · -1 km deep · 95 km away
  7. 2.04 km SW of Whitehawk, California · 16659 days ago · 0 km deep · 96 km away
  8. 2.47 km N of Little Grass Valley, California · 16659 days ago · 21 km deep · 62 km away
  9. 1.97 km E of Cromberg, California · 16654 days ago · 5 km deep · 93 km away
  10. 2.326 km W of Paskenta, California · 16653 days ago · -1 km deep · 100 km away
  11. 2.07 km WSW of Lake Almanor West, California · 16653 days ago · 3 km deep · 50 km away
  12. 2.82 km NNE of Chico, California · 16652 days ago · 17 km deep · 17 km away
  13. 2.01 km N of Chico, California · 16652 days ago · 16 km deep · 19 km away
  14. 1.717 km N of Princeton, California · 16649 days ago · 18 km deep · 43 km away
  15. 2.58 km SW of Clio, California · 16647 days ago · 14 km deep · 92 km away
  16. 1.9Northern California · 16645 days ago · 16 km deep · 21 km away
  17. 2.42 km SW of Old Station, California · 16640 days ago · 4 km deep · 90 km away
  18. 2.34 km SSW of Prattville, California · 16638 days ago · -1 km deep · 56 km away
  19. 1.9Northern California · 16638 days ago · 17 km deep · 16 km away
  20. 2.7Northern California · 16637 days ago · 7 km deep · 53 km away
  21. 2.49 km SW of Lake Almanor West, California · 16636 days ago · 4 km deep · 49 km away
  22. 2.34 km SE of Palermo, California · 16634 days ago · 8 km deep · 54 km away
  23. 2.37 km SSW of Hamilton City, California · 16634 days ago · 18 km deep · 36 km away
  24. 2.711 km N of Princeton, California · 16626 days ago · 19 km deep · 48 km away
  25. 2.417 km W of Paskenta, California · 16625 days ago · -1 km deep · 90 km away
  26. 1.69 km WNW of Plumas Eureka (historical), California · 16625 days ago · 7 km deep · 77 km away
  27. 1.84 km NW of Tobin, California · 16620 days ago · 3 km deep · 32 km away
  28. 2.212 km SE of Paskenta, California · 16617 days ago · 10 km deep · 65 km away
  29. 3.35 km NE of Canyondam, California · 16611 days ago · 15 km deep · 67 km away
  30. 2.14 km SE of Palermo, California · 16611 days ago · 6 km deep · 54 km away
  31. 1.85 km SE of Palermo, California · 16609 days ago · 6 km deep · 55 km away
  32. 1.810 km SE of Mineral, California · 16606 days ago · 6 km deep · 49 km away
  33. 2.19 km SE of Mineral, California · 16605 days ago · 3 km deep · 48 km away

Before

  1. 2.57 km WSW of Lake Almanor West, California · 16665 days ago · 4 km deep · 51 km away
  2. 2.24 km WSW of Whitehawk, California · 16671 days ago · 4 km deep · 95 km away
  3. 1.63 km S of East Quincy, California · 16671 days ago · 8 km deep · 68 km away
  4. 1.63 km N of Chico, California · 16674 days ago · 17 km deep · 17 km away
  5. 1.82 km N of Chico, California · 16676 days ago · 17 km deep · 18 km away
  6. 1.88 km NNW of Princeton, California · 16676 days ago · 14 km deep · 53 km away
  7. 1.74 km ENE of Orland, California · 16677 days ago · 33 km deep · 41 km away
  8. 1.64 km SW of Whitehawk, California · 16679 days ago · 3 km deep · 97 km away
  9. 3.36 km NNE of Butte Meadows, California · 16680 days ago · -1 km deep · 33 km away
  10. 2.18 km SW of Whitehawk, California · 16680 days ago · 26 km deep · 95 km away
  11. 3.18 km SW of Whitehawk, California · 16681 days ago · 3 km deep · 93 km away
  12. 3.17 km SW of Whitehawk, California · 16681 days ago · 4 km deep · 94 km away
  13. 2.66 km N of Princeton, California · 16684 days ago · 13 km deep · 52 km away
  14. 2.219 km W of Elk Creek, California · 16686 days ago · 7 km deep · 96 km away
  15. 1.78 km SW of Clio, California · 16691 days ago · 14 km deep · 92 km away
  16. 1.65 km SW of Whitehawk, California · 16691 days ago · 8 km deep · 95 km away
  17. 2.31 km WSW of Rancho Tehama Reserve, California · 16693 days ago · 13 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1060361. Read Wed, Sep 30, 2026, 8:04 AM UTC.