California earthquakes

M1.8 earthquake 8 km SSE of Bear Valley, California

A magnitude 1.8 earthquake struck 8 km SSE of Bear Valley, California on Fri, Sep 6, 1985, 3:42 PM PDT (22:42 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M2.7 18 km SE of Walker, 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
1.8 (md), micro
Local time
UTC
1985-09-06 22:42:13 UTC
Depth
4.0 km (2.5 mi), shallow
Epicenter
38.397° N, 120.003° 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 1.8 km horizontally, 7.8 km in depth
Depth from
From location
Station coverage gap
164°
Stations used
5

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 4 in the 30 days before it.

After

  1. 2.215 km ESE of Yosemite Valley, California · 14990 days ago · 18 km deep · 95 km away
  2. 2.3California-Nevada border region · 14985 days ago · 7 km deep · 99 km away
  3. 1.816 km E of Mono City, California · 14984 days ago · 8 km deep · 99 km away
  4. 1.815 km ENE of Mono City, California · 14984 days ago · 2 km deep · 97 km away
  5. 1.611 km WNW of Bear Valley, California · 14981 days ago · 16 km deep · 90 km away
  6. 2.19 km N of Bear Valley, California · 14981 days ago · 23 km deep · 83 km away
  7. 1.716 km E of Mono City, California · 14979 days ago · 6 km deep · 99 km away
  8. 2.013 km ESE of Yosemite Valley, California · 14977 days ago · 5 km deep · 93 km away
  9. 1.815 km WSW of Topaz, California · 14975 days ago · 5 km deep · 34 km away
  10. 2.18 km E of Bear Valley, California · 14964 days ago · 31 km deep · 92 km away
  11. 1.919 km ESE of Yosemite Valley, California · 14963 days ago · 22 km deep · 96 km away
  12. 2.718 km SE of Walker, California · 14963 days ago · 2 km deep · 61 km away
  13. 2.418 km NNW of Bridgeport, California · 14963 days ago · 2 km deep · 61 km away
  14. 2.418 km NNW of Bridgeport, California · 14963 days ago · 3 km deep · 61 km away
  15. 1.618 km SE of Walker, California · 14963 days ago · 1 km deep · 61 km away
  16. 1.9California-Nevada border region · 14963 days ago · 2 km deep · 61 km away
  17. 2.06 km SSW of Markleeville, California · 14958 days ago · -1 km deep · 32 km away
  18. 1.615 km ENE of Mono City, California · 14958 days ago · 4 km deep · 97 km away
  19. 1.65 km SSW of Markleeville, California · 14951 days ago · 6 km deep · 32 km away
  20. 2.53 km S of Coleville, California · 14948 days ago · 4 km deep · 46 km away
  21. 2.120 km ESE of Yosemite Valley, California · 14946 days ago · 22 km deep · 97 km away
  22. 2.320 km ESE of Yosemite Valley, California · 14941 days ago · 21 km deep · 97 km away

Before

  1. 1.918 km ESE of Yosemite Valley, California · 15007 days ago · 4 km deep · 96 km away
  2. 1.61 km NE of Mesa Vista, California · 15021 days ago · 2 km deep · 50 km away
  3. 1.65 km NW of Bridgeport, California · 15026 days ago · 7 km deep · 65 km away
  4. 1.915 km ESE of Yosemite Valley, California · 15028 days ago · 4 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc55854. Read Thu, Oct 1, 2026, 1:24 AM UTC.