California earthquakes

M2.6 earthquake Northern California

A magnitude 2.6 earthquake struck in Northern California on Tue, Jun 30, 1981, 12:59 AM PDT (07:59 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.6 5 km ESE of Trinity Village, California. This one was a foreshock.

Etna 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
2.6 (md), micro
Local time
UTC
1981-06-30 07:59:57 UTC
Depth
3.2 km (2.0 mi), shallow
Epicenter
41.282° N, 122.939° 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 10.9 km horizontally, 15.3 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
314°, poorly surrounded by stations
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.611 km SSW of Burnt Ranch, California · 16515 days ago · 30 km deep · 80 km away
  2. 1.917 km SE of Etna, California · 16511 days ago · 3 km deep · 16 km away
  3. 1.915 km WSW of Gazelle, California · 16511 days ago · 2 km deep · 29 km away
  4. 2.018 km ESE of Blue Lake, California · 16503 days ago · 32 km deep · 88 km away
  5. 2.16 km N of Hyampom, California · 16502 days ago · 14 km deep · 79 km away
  6. 1.90 km SSE of Burnt Ranch, California · 16498 days ago · 34 km deep · 69 km away
  7. 1.92 km S of Lakehead, California · 16489 days ago · 4 km deep · 64 km away
  8. 2.113 km NNE of Carrick, California · 16476 days ago · 3 km deep · 63 km away
  9. 1.615 km S of Etna, California · 16473 days ago · 3 km deep · 8 km away
  10. 1.85 km E of Tennant, California · 16468 days ago · 7 km deep · 97 km away
  11. 2.65 km ESE of Trinity Village, California · 16467 days ago · 33 km deep · 64 km away
  12. 1.811 km WSW of Hyampom, California · 16461 days ago · 30 km deep · 94 km away

Before

  1. 2.2Northern California · 16523 days ago · 4 km deep · 96 km away
  2. 1.97 km WSW of Junction City, California · 16524 days ago · 10 km deep · 65 km away
  3. 2.34 km NNW of Blue Lake, California · 16528 days ago · 5 km deep · 98 km away
  4. 1.811 km W of Junction City, California · 16529 days ago · 14 km deep · 62 km away
  5. 1.621 km WNW of Hyampom, California · 16530 days ago · 26 km deep · 93 km away
  6. 2.57 km ESE of Burnt Ranch, California · 16534 days ago · 5 km deep · 67 km away
  7. 1.76 km NE of Mad River, California · 16535 days ago · -1 km deep · 98 km away
  8. 1.513 km NE of Fieldbrook, California · 16541 days ago · 5 km deep · 86 km away
  9. 1.92 km S of Lakehead, California · 16546 days ago · 3 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1065006. Read Tue, Sep 22, 2026, 12:14 PM UTC.