California earthquakes

M1.9 earthquake 4 km SE of Palermo, California

A magnitude 1.9 earthquake struck 4 km SE of Palermo, California on Sun, Jul 26, 1981, 3:07 AM PDT (10:07 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M3.1 3 km WSW of Spring Garden, California. This one was a foreshock.

Palermo 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
1.9 (ma), micro
Local time
UTC
1981-07-26 10:07:50 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
39.411° N, 121.500° 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 0.3 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
100°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 2.14 km SSW of Whitehawk, California · 16502 days ago · 14 km deep · 85 km away
  2. 1.86 km WSW of Durham, California · 16496 days ago · 29 km deep · 38 km away
  3. 2.91 km ENE of Clipper Mills, California · 16496 days ago · 8 km deep · 34 km away
  4. 1.6Northern California · 16493 days ago · 3 km deep · 97 km away
  5. 1.97 km ESE of Los Molinos, California · 16490 days ago · 3 km deep · 79 km away
  6. 1.615 km NNE of Butte Meadows, California · 16488 days ago · 3 km deep · 89 km away
  7. 1.710 km SE of Mineral, California · 16481 days ago · 2 km deep · 98 km away
  8. 1.76 km SSE of Palermo, California · 16480 days ago · 1 km deep · 3 km away
  9. 1.51 km E of Oroville, California · 16478 days ago · 10 km deep · 12 km away
  10. 3.13 km WSW of Spring Garden, California · 16468 days ago · 0 km deep · 78 km away
  11. 2.66 km S of Kingvale, California · 16466 days ago · 11 km deep · 94 km away
  12. 1.76 km SSW of Hamilton City, California · 16460 days ago · 19 km deep · 56 km away
  13. 2.14 km SE of Palermo, California · 16459 days ago · 6 km deep · 1 km away
  14. 2.52 km ESE of Prattville, California · 16457 days ago · 2 km deep · 93 km away
  15. 3.02 km ENE of Prattville, California · 16457 days ago · 12 km deep · 95 km away
  16. 2.81 km ENE of Lake Almanor West, California · 16456 days ago · 2 km deep · 96 km away
  17. 2.511 km NE of Cromberg, California · 16451 days ago · 5 km deep · 96 km away
  18. 2.04 km NE of Princeton, California · 16444 days ago · 24 km deep · 40 km away

Before

  1. 2.010 km W of Lake Almanor West, California · 16503 days ago · 3 km deep · 93 km away
  2. 2.56 km SSE of Dunnigan, California · 16504 days ago · 10 km deep · 75 km away
  3. 2.75 km ESE of Chico, California · 16505 days ago · 19 km deep · 42 km away
  4. 1.93 km SW of East Shore, California · 16506 days ago · 1 km deep · 95 km away
  5. 1.66 km NW of Plumas Eureka (historical), California · 16507 days ago · 1 km deep · 77 km away
  6. 2.0Northern California · 16508 days ago · 13 km deep · 98 km away
  7. 1.82 km NE of Canyondam, California · 16508 days ago · 2 km deep · 95 km away
  8. 1.52 km ESE of Nord, California · 16508 days ago · 14 km deep · 54 km away
  9. 2.86 km NNW of Thermalito, California · 16510 days ago · 2 km deep · 20 km away
  10. 2.3Northern California · 16510 days ago · 2 km deep · 20 km away
  11. 1.825 km SSW of Kingvale, California · 16512 days ago · 9 km deep · 92 km away
  12. 2.611 km NE of Nord, California · 16512 days ago · 21 km deep · 58 km away
  13. 2.54 km SE of Palermo, California · 16513 days ago · 7 km deep · 1 km away
  14. 1.50 km NW of Lake Almanor Country Club, California · 16513 days ago · 2 km deep · 98 km away
  15. 2.54 km SE of Palermo, California · 16514 days ago · 7 km deep · 1 km away
  16. 2.03 km ESE of Palermo, California · 16515 days ago · 4 km deep · 1 km away
  17. 1.612 km WSW of Chester, California · 16519 days ago · 3 km deep · 97 km away
  18. 2.24 km W of Stonyford, California · 16525 days ago · 3 km deep · 95 km away
  19. 1.96 km W of Stonyford, California · 16525 days ago · 0 km deep · 96 km away
  20. 2.13 km NW of Lake Almanor Country Club, California · 16527 days ago · 3 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1065955. Read Wed, Sep 30, 2026, 6:28 PM UTC.