California earthquakes

M1.7 earthquake 5 km WNW of Bangor, California

A magnitude 1.7 earthquake struck 5 km WNW of Bangor, California on Tue, Apr 28, 1981, 1:53 PM PDT (20:53 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.5 18 km WSW of Williams, California. This one was a foreshock.

Bangor 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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1981-04-28 20:53:26 UTC
Depth
5.8 km (3.6 mi), shallow
Epicenter
39.409° N, 121.468° 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 0.4 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
87°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.612 km S of Guinda, California · 16592 days ago · 4 km deep · 99 km away
  2. 2.413 km SSW of Lake Almanor West, California · 16590 days ago · 5 km deep · 82 km away
  3. 3.27 km SW of Artois, California · 16585 days ago · 19 km deep · 71 km away
  4. 1.913 km WSW of Maxwell, California · 16583 days ago · -1 km deep · 77 km away
  5. 1.916 km WSW of Williams, California · 16581 days ago · 2 km deep · 82 km away
  6. 2.70 km WSW of Clipper Mills, California · 16578 days ago · 11 km deep · 29 km away
  7. 2.53 km SW of Clipper Mills, California · 16576 days ago · 12 km deep · 27 km away
  8. 1.71 km NNW of Lincoln, California · 16572 days ago · 6 km deep · 58 km away
  9. 2.50 km SSW of Clipper Mills, California · 16571 days ago · 12 km deep · 30 km away
  10. 1.912 km WSW of Chester, California · 16570 days ago · 1 km deep · 94 km away
  11. 2.013 km SW of Lake Almanor West, California · 16570 days ago · 8 km deep · 85 km away
  12. 1.72 km W of Nord, California · 16570 days ago · 20 km deep · 61 km away
  13. 2.91 km SW of Clipper Mills, California · 16567 days ago · 14 km deep · 28 km away
  14. 2.015 km NNW of Guinda, California · 16560 days ago · 9 km deep · 84 km away
  15. 1.63 km ESE of Palermo, California · 16558 days ago · 3 km deep · 4 km away
  16. 2.4Northern California · 16557 days ago · 13 km deep · 87 km away
  17. 2.510 km SW of Spring Garden, California · 16556 days ago · -1 km deep · 69 km away
  18. 2.114 km NNW of Guinda, California · 16556 days ago · 8 km deep · 84 km away
  19. 2.14 km NNW of Dobbins, California · 16555 days ago · 22 km deep · 21 km away
  20. 2.213 km WNW of Cohasset, California · 16553 days ago · 15 km deep · 72 km away
  21. 1.81 km NNE of Clipper Mills, California · 16541 days ago · 7 km deep · 31 km away
  22. 3.518 km WSW of Williams, California · 16540 days ago · 12 km deep · 84 km away
  23. 2.421 km WSW of Williams, California · 16540 days ago · -1 km deep · 87 km away
  24. 2.84 km ESE of Palermo, California · 16540 days ago · 5 km deep · 2 km away
  25. 3.12 km NNW of Belden, California · 16540 days ago · 5 km deep · 71 km away
  26. 2.212 km WSW of Chester, California · 16538 days ago · 3 km deep · 94 km away
  27. 2.11 km SW of Stonyford, California · 16535 days ago · 7 km deep · 94 km away

Before

  1. 2.06 km ESE of Butte Meadows, California · 16595 days ago · 5 km deep · 73 km away
  2. 2.27 km WNW of Sierra City, California · 16598 days ago · 10 km deep · 67 km away
  3. 2.45 km SE of Palermo, California · 16602 days ago · 6 km deep · 3 km away
  4. 2.013 km SW of Kingvale, California · 16606 days ago · 16 km deep · 83 km away
  5. 2.19 km SE of Mineral, California · 16610 days ago · 3 km deep · 97 km away
  6. 1.810 km SE of Mineral, California · 16610 days ago · 6 km deep · 97 km away
  7. 1.85 km SE of Palermo, California · 16613 days ago · 6 km deep · 3 km away
  8. 2.14 km SE of Palermo, California · 16615 days ago · 6 km deep · 3 km away
  9. 3.35 km NE of Canyondam, California · 16615 days ago · 15 km deep · 96 km away
  10. 2.212 km SE of Paskenta, California · 16621 days ago · 10 km deep · 95 km away
  11. 1.84 km NW of Tobin, California · 16624 days ago · 3 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1063104. Read Sun, Oct 4, 2026, 1:50 PM UTC.