California earthquakes

M2.2 earthquake 18 km SSW of Kingvale, California

A magnitude 2.2 earthquake struck 18 km SSW of Kingvale, California on Wed, Aug 22, 1979, 9:12 AM PDT (16:12 UTC), 9 km (5 mi) below the surface.

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

Sunnyside-Tahoe City 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
2.2 (md), micro
Local time
UTC
1979-08-22 16:12:29 UTC
Depth
8.8 km (5.4 mi), shallow
Epicenter
39.161° N, 120.481° 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 0.8 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.31
Depth from
From location
Station coverage gap
302°, poorly surrounded by stations
Stations used
12

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 8 in the 30 days before it.

After

  1. 1.58 km WNW of Plymouth, California · 17196 days ago · 11 km deep · 81 km away
  2. 2.56 km WSW of Alpine Village, California · 17189 days ago · 22 km deep · 69 km away
  3. 1.811 km ENE of Kirkwood, California · 17189 days ago · 7 km deep · 67 km away
  4. 2.45 km WSW of Alpine Village, California · 17189 days ago · 8 km deep · 69 km away
  5. 1.85 km S of Doyle, California · 17182 days ago · -1 km deep · 96 km away
  6. 3.24 km WNW of Plumas Eureka (historical), California · 17171 days ago · -2 km deep · 72 km away
  7. 2.12 km WNW of Alpine Village, California · 17168 days ago · 7 km deep · 69 km away
  8. 2.07 km SW of Topaz Lake, Nevada · 17167 days ago · 4 km deep · 95 km away
  9. 2.59 km NW of Verdi, California · 17145 days ago · 9 km deep · 57 km away
  10. 1.66 km WNW of Plumas Eureka (historical), California · 17144 days ago · 4 km deep · 74 km away
  11. 2.32 km WSW of Sierra City, California · 17141 days ago · 16 km deep · 47 km away
  12. 2.96 km WSW of Sierra City, California · 17141 days ago · 16 km deep · 47 km away

Before

  1. 1.5Northern California · 17205 days ago · 7 km deep · 7 km away
  2. 1.98 km SSE of Markleeville, California · 17206 days ago · 8 km deep · 88 km away
  3. 1.79 km NNW of Truckee, California · 17209 days ago · 8 km deep · 37 km away
  4. 1.79 km NW of Truckee, California · 17209 days ago · 14 km deep · 33 km away
  5. 2.23 km WNW of Alpine Village, California · 17213 days ago · 8 km deep · 68 km away
  6. 2.58 km SW of Whitehawk, California · 17221 days ago · 13 km deep · 59 km away
  7. 1.613 km ENE of Bear Valley, California · 17227 days ago · 2 km deep · 87 km away
  8. 1.713 km SSW of Markleeville, California · 17227 days ago · -1 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1047375. Read Tue, Sep 22, 2026, 8:58 PM UTC.