California earthquakes

M1.7 earthquake 8 km E of Bear Valley, California

A magnitude 1.7 earthquake struck 8 km E of Bear Valley, California on Wed, Oct 3, 1984, 8:56 AM PDT (15:56 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.9 2 km ENE of Smith, Nevada. This one was a foreshock.

Dorrington 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
1.7 (md), micro
Local time
UTC
1984-10-03 15:56:14 UTC
Depth
4.4 km (2.7 mi), shallow
Epicenter
38.457° N, 119.948° 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 1.7 km horizontally, 8.2 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
228°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.629 km NE of Mono City, California · 15315 days ago · -2 km deep · 98 km away
  2. 1.71 km ESE of Mesa Vista, California · 15314 days ago · 7 km deep · 41 km away
  3. 3.92 km ENE of Smith, Nevada · 15311 days ago · 16 km deep · 69 km away
  4. 3.53 km NNE of Smith, Nevada · 15311 days ago · 6 km deep · 69 km away
  5. 2.15 km SE of Greeley Hill, California · 15307 days ago · 5 km deep · 84 km away
  6. 1.88 km SSE of Copperopolis, California · 15307 days ago · 4 km deep · 82 km away
  7. 1.76 km SSE of Copperopolis, California · 15306 days ago · 7 km deep · 82 km away
  8. 2.00 km N of Mesa Vista, California · 15303 days ago · 2 km deep · 41 km away
  9. 1.6California-Nevada border region · 15302 days ago · 6 km deep · 51 km away
  10. 2.116 km ESE of Yosemite Valley, California · 15292 days ago · 3 km deep · 100 km away
  11. 1.810 km ESE of Greeley Hill, California · 15283 days ago · 15 km deep · 82 km away
  12. 1.64 km SSE of Bridgeport, California · 15281 days ago · 1 km deep · 70 km away
  13. 2.013 km SE of Bridgeport, California · 15280 days ago · 3 km deep · 79 km away
  14. 1.513 km ESE of Walker, California · 15279 days ago · 3 km deep · 53 km away
  15. 1.517 km E of Mono City, California · 15275 days ago · 3 km deep · 98 km away

Before

  1. 2.42 km NNW of Alpine Village, California · 15331 days ago · 2 km deep · 39 km away
  2. 2.08 km WNW of Bridgeport, California · 15335 days ago · 8 km deep · 58 km away
  3. 1.88 km E of Bridgeport, California · 15336 days ago · 5 km deep · 75 km away
  4. 2.04 km NW of Topaz, California · 15338 days ago · 3 km deep · 40 km away
  5. 1.518 km ESE of Yosemite Valley, California · 15343 days ago · 4 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1120913. Read Tue, Sep 22, 2026, 9:11 AM UTC.