California earthquakes

M1.7 earthquake 7 km SSW of Lakehead, California

A magnitude 1.7 earthquake struck 7 km SSW of Lakehead, California on Fri, Jun 28, 1985, 3:20 AM PDT (10:20 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M1.8 12 km ESE of Mineral, California. This one was a foreshock.

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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
1985-06-28 10:20:00 UTC
Depth
4.0 km (2.5 mi), shallow
Epicenter
40.841° N, 122.407° 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 1.9 km horizontally, 22.8 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
142°
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: 20 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.6Northern California · 15061 days ago · 25 km deep · 20 km away
  2. 1.812 km ESE of Mineral, California · 15057 days ago · 9 km deep · 100 km away
  3. 1.811 km W of Trinity Center, California · 15056 days ago · 6 km deep · 39 km away
  4. 2.318 km NNW of Junction City, California · 15052 days ago · 32 km deep · 65 km away
  5. 1.87 km SSW of Hat Creek, California · 15050 days ago · 2 km deep · 72 km away
  6. 2.07 km NNE of Hyampom, California · 15049 days ago · 4 km deep · 87 km away
  7. 1.78 km SSW of Hat Creek, California · 15045 days ago · 1 km deep · 71 km away
  8. 2.0Northern California · 15037 days ago · 2 km deep · 69 km away
  9. 2.56 km E of Hayfork, California · 15025 days ago · 28 km deep · 67 km away
  10. 1.514 km E of Cottonwood, California · 15024 days ago · 10 km deep · 56 km away
  11. 3.725 km NNW of Junction City, California · 15022 days ago · 28 km deep · 66 km away
  12. 1.611 km WNW of Burney, California · 15020 days ago · 4 km deep · 54 km away
  13. 1.512 km E of Paynes Creek, California · 15019 days ago · 11 km deep · 78 km away
  14. 2.18km NNW of French Gulch, CA · 15016 days ago · 19 km deep · 22 km away
  15. 2.39 km SE of Rancho Tehama Reserve, California · 15016 days ago · 5 km deep · 98 km away
  16. 1.96km ESE of Millville, CA · 15006 days ago · 17 km deep · 41 km away
  17. 2.113 km ESE of Carrick, California · 15005 days ago · 2 km deep · 67 km away
  18. 2.18 km ESE of Carrick, California · 15005 days ago · -2 km deep · 67 km away
  19. 1.613 km E of Carrick, California · 15004 days ago · 3 km deep · 71 km away
  20. 1.99 km NNW of Old Station, California · 15002 days ago · 6 km deep · 78 km away

Before

  1. 1.88 km NNW of McCloud, California · 15062 days ago · 6 km deep · 58 km away
  2. 2.92 km N of Burnt Ranch, California · 15063 days ago · 20 km deep · 90 km away
  3. 1.724 km NE of Old Station, California · 15065 days ago · 6 km deep · 100 km away
  4. 2.316 km SSW of Paynes Creek, California · 15070 days ago · 10 km deep · 79 km away
  5. 1.85 km E of Redding, California · 15076 days ago · 19 km deep · 29 km away
  6. 2.2Northern California · 15078 days ago · 10 km deep · 96 km away
  7. 2.56 km N of Millville, California · 15079 days ago · 23 km deep · 33 km away
  8. 3.014 km WSW of Hayfork, California · 15081 days ago · 33 km deep · 87 km away
  9. 1.915 km E of Cottonwood, California · 15081 days ago · 11 km deep · 56 km away
  10. 1.915 km E of Montague, California · 15086 days ago · 12 km deep · 98 km away
  11. 1.814 km NNE of Mineral, California · 15087 days ago · 3 km deep · 86 km away
  12. 1.64 km ENE of Dunsmuir, California · 15089 days ago · 9 km deep · 45 km away
  13. 2.323 km NNE of Trinity Village, California · 15090 days ago · 31 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc50767. Read Tue, Sep 22, 2026, 8:49 PM UTC.