California earthquakes

M1.5 earthquake 8 km SSW of Kingvale, California

A magnitude 1.5 earthquake struck 8 km SSW of Kingvale, California on Fri, Sep 30, 1983, 6:46 AM PDT (13:46 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.1 9 km ESE of Sierra Brooks, California. This one was a foreshock.

Truckee forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1983-09-30 13:46:28 UTC
Depth
2.9 km (1.8 mi), shallow
Epicenter
39.246° N, 120.462° 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, 4.8 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
82°
Stations used
14

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 6 in the 30 days before it.

After

  1. 2.75 km SE of Palermo, California · 15705 days ago · 5 km deep · 90 km away
  2. 2.8Northern California · 15699 days ago · 1 km deep · 59 km away
  3. 3.19 km ESE of Sierra Brooks, California · 15694 days ago · 2 km deep · 50 km away
  4. 2.57 km SW of Doyle, California · 15694 days ago · 0 km deep · 85 km away
  5. 2.59 km NE of Soda Springs, California · 15688 days ago · 15 km deep · 21 km away
  6. 1.74 km S of Kingvale, California · 15684 days ago · 7 km deep · 4 km away
  7. 2.6Northern California · 15682 days ago · 6 km deep · 44 km away
  8. 2.26 km NNE of Truckee, California · 15681 days ago · 4 km deep · 31 km away
  9. 2.08 km E of Oroville East, California · 15680 days ago · 8 km deep · 84 km away
  10. 2.02 km SW of Oroville East, California · 15679 days ago · 6 km deep · 93 km away
  11. 1.913 km N of Clipper Mills, California · 15678 days ago · 13 km deep · 73 km away
  12. 1.93 km SE of South Oroville, California · 15672 days ago · 5 km deep · 94 km away
  13. 2.31 km W of Calpine, California · 15669 days ago · -1 km deep · 47 km away
  14. 2.77 km NNW of Spring Garden, California · 15658 days ago · -1 km deep · 85 km away
  15. 2.15 km NE of Taylorsville, California · 15657 days ago · 3 km deep · 100 km away

Before

  1. 2.06 km NW of Carnelian Bay, California · 15715 days ago · 5 km deep · 29 km away
  2. 2.210 km N of Truckee, California · 15717 days ago · 4 km deep · 32 km away
  3. 2.111 km NNW of Sierra City, California · 15718 days ago · 5 km deep · 50 km away
  4. 3.42 km SW of Crystal Bay, Nevada · 15722 days ago · 14 km deep · 38 km away
  5. 2.211 km NE of Soda Springs, California · 15727 days ago · 11 km deep · 23 km away
  6. 1.913 km S of Kingvale, California · 15732 days ago · 5 km deep · 7 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1104028. Read Sun, Oct 4, 2026, 7:53 PM UTC.