California earthquakes

M2.1 earthquake 16 km WSW of Durham, California

A magnitude 2.1 earthquake struck 16 km WSW of Durham, California on Sun, Feb 26, 1978, 6:02 AM PST (14:02 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M3.5 38 km NW of Paskenta, California. This one was a foreshock.

Durham 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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1978-02-26 14:02:24 UTC
Depth
20.7 km (12.9 mi), shallow
Epicenter
39.587° N, 121.979° 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 0.7 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
227°, poorly surrounded by stations
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 1.820 km WSW of Stonyford, CA · 17750 days ago · -1 km deep · 74 km away
  2. 1.83 km S of Clear Lake Riviera, California · 17749 days ago · 2 km deep · 97 km away
  3. 1.87 km N of Princeton, California · 17741 days ago · 18 km deep · 13 km away
  4. 3.538 km NW of Paskenta, California · 17728 days ago · 5 km deep · 97 km away
  5. 3.238 km ESE of Ruth, California · 17727 days ago · 23 km deep · 99 km away
  6. 2.14 km S of Oroville East, California · 17723 days ago · 0 km deep · 45 km away
  7. 1.52 km WSW of Oroville East, California · 17723 days ago · 7 km deep · 42 km away
  8. 1.84 km ESE of Palermo, California · 17721 days ago · 7 km deep · 46 km away
  9. 1.85 km SE of Willows, California · 17719 days ago · 20 km deep · 18 km away
  10. 2.56 km WNW of Bangor, California · 17716 days ago · 5 km deep · 48 km away
  11. 1.63 km NE of Oroville, California · 17705 days ago · 9 km deep · 39 km away
  12. 2.65 km W of Twain, California · 17704 days ago · 3 km deep · 87 km away
  13. 2.25 km WNW of Bangor, California · 17702 days ago · 4 km deep · 48 km away
  14. 3.219 km WNW of Elk Creek, California · 17700 days ago · 7 km deep · 67 km away
  15. 3.226 km WNW of Elk Creek, California · 17700 days ago · 18 km deep · 75 km away
  16. 3.023 km WNW of Elk Creek, California · 17700 days ago · 2 km deep · 70 km away
  17. 3.421 km WNW of Elk Creek, California · 17700 days ago · 10 km deep · 68 km away
  18. 3.221 km WNW of Elk Creek, California · 17700 days ago · 6 km deep · 68 km away
  19. 2.32 km SE of Stonyford, California · 17698 days ago · 6 km deep · 53 km away
  20. 2.914 km NW of Elk Creek, California · 17694 days ago · 5 km deep · 58 km away
  21. 2.02 km WNW of Clearlake, California · 17692 days ago · 2 km deep · 90 km away
  22. 1.67 km NNE of Clearlake, California · 17691 days ago · 0 km deep · 82 km away

Before

  1. 2.416 km NE of Nice, California · 17753 days ago · 7 km deep · 74 km away
  2. 2.319 km SW of Stonyford, California · 17756 days ago · 9 km deep · 73 km away
  3. 1.610 km ESE of Hidden Valley Lake, California · 17760 days ago · 4 km deep · 100 km away
  4. 2.814 km NNW of Belden, California · 17760 days ago · 11 km deep · 83 km away
  5. 3.013 km NNW of Belden, California · 17761 days ago · 14 km deep · 81 km away
  6. 2.98 km SW of Lake Almanor West, California · 17763 days ago · 15 km deep · 90 km away
  7. 3.214 km NE of Proberta, California · 17765 days ago · 13 km deep · 66 km away
  8. 2.37 km NNE of Nice, California · 17765 days ago · 7 km deep · 85 km away
  9. 2.012 km ESE of Hidden Valley Lake, California · 17767 days ago · 3 km deep · 100 km away
  10. 2.418 km NE of Upper Lake, California · 17773 days ago · 3 km deep · 76 km away
  11. 3.412 km NNW of Belden, California · 17776 days ago · 13 km deep · 81 km away
  12. 3.613 km NNW of Belden, California · 17776 days ago · 14 km deep · 81 km away
  13. 2.714 km NNW of Belden, California · 17776 days ago · 11 km deep · 81 km away
  14. 3.017 km NE of Lucerne, California · 17779 days ago · 6 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1039101. Read Sat, Oct 3, 2026, 7:47 PM UTC.