California earthquakes

M1.7 earthquake 12 km ENE of Shingletown, California

A magnitude 1.7 earthquake struck 12 km ENE of Shingletown, California on Sun, Aug 16, 1981, 6:30 PM PDT (01:30 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.2 9 km NNE of Millville, California. This one was a foreshock.

Shingletown 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
1.7 (md), micro
Local time
UTC
1981-08-17 01:30:08 UTC
Depth
7.0 km (4.4 mi), shallow
Epicenter
40.551° N, 121.757° 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 4.2 km horizontally, 6.9 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
261°, 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: 13 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 1.619 km N of Chester, California · 16480 days ago · 0 km deep · 48 km away
  2. 1.9Northern California · 16475 days ago · 3 km deep · 40 km away
  3. 1.711 km NNE of Shingletown, California · 16470 days ago · 1 km deep · 10 km away
  4. 1.76 km SSW of Hamilton City, California · 16460 days ago · 19 km deep · 99 km away
  5. 2.52 km ESE of Prattville, California · 16457 days ago · 2 km deep · 66 km away
  6. 3.02 km ENE of Prattville, California · 16456 days ago · 12 km deep · 65 km away
  7. 2.81 km ENE of Lake Almanor West, California · 16456 days ago · 2 km deep · 59 km away
  8. 1.67 km NNW of McCloud, California · 16454 days ago · 6 km deep · 92 km away
  9. 1.65 km N of McCloud, California · 16438 days ago · 5 km deep · 90 km away
  10. 1.77 km SE of Mineral, California · 16437 days ago · -1 km deep · 34 km away
  11. 3.29 km NNE of Millville, California · 16426 days ago · 3 km deep · 32 km away
  12. 2.26 km WSW of Paradise, California · 16424 days ago · 16 km deep · 91 km away
  13. 1.510 km NE of Mineral, California · 16422 days ago · -2 km deep · 26 km away

Before

  1. 1.710 km SE of Mineral, California · 16481 days ago · 2 km deep · 37 km away
  2. 2.30 km NW of Chester, California · 16484 days ago · 2 km deep · 51 km away
  3. 1.615 km NNE of Butte Meadows, California · 16488 days ago · 3 km deep · 44 km away
  4. 1.97 km ESE of Los Molinos, California · 16490 days ago · 3 km deep · 66 km away
  5. 1.9Northern California · 16491 days ago · 13 km deep · 17 km away
  6. 1.6Northern California · 16493 days ago · 3 km deep · 47 km away
  7. 2.02 km ESE of Chester, California · 16493 days ago · 5 km deep · 54 km away
  8. 2.01 km ENE of Chester, California · 16493 days ago · 7 km deep · 53 km away
  9. 1.830 km NNW of McArthur, California · 16494 days ago · 10 km deep · 83 km away
  10. 1.92 km S of Lakehead, California · 16497 days ago · 4 km deep · 64 km away
  11. 2.27 km NE of Montgomery Creek, California · 16502 days ago · 7 km deep · 39 km away
  12. 2.010 km W of Lake Almanor West, California · 16503 days ago · 3 km deep · 50 km away
  13. 2.75 km ESE of Chico, California · 16505 days ago · 19 km deep · 93 km away
  14. 1.93 km SW of East Shore, California · 16506 days ago · 1 km deep · 67 km away
  15. 1.82 km NE of Canyondam, California · 16508 days ago · 2 km deep · 72 km away
  16. 1.8Northern California · 16508 days ago · 9 km deep · 27 km away
  17. 1.52 km ESE of Nord, California · 16508 days ago · 14 km deep · 88 km away
  18. 2.913 km E of Bend, California · 16508 days ago · 24 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1066836. Read Wed, Sep 30, 2026, 10:04 AM UTC.