California earthquakes

M2.5 earthquake 31km WSW of Tecopa, CA

A magnitude 2.5 earthquake struck 31km WSW of Tecopa, CA on Fri, Sep 13, 1985, 2:01 AM PDT (09:01 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.7 21km S of Tecopa, CA. This one was a foreshock.

Fort Irwin 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
2.5 (mc), micro
Local time
UTC
1985-09-13 09:01:08 UTC
Depth
5.2 km (3.2 mi), shallow
Epicenter
35.708° N, 116.523° 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.

Depth from
Operator assigned
Station coverage gap
235°, poorly surrounded by stations
Stations used
0

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 4 in the 30 days before it.

After

  1. 2.133km E of Barstow, CA · 14989 days ago · 5 km deep · 91 km away
  2. 2.336km SE of Fort Irwin, CA · 14986 days ago · 5 km deep · 79 km away
  3. 2.423km N of Searles Valley, CA · 14971 days ago · 2 km deep · 85 km away
  4. 3.721km S of Tecopa, CA · 14964 days ago · 5 km deep · 28 km away
  5. 2.425km S of Tecopa, CA · 14963 days ago · 5 km deep · 26 km away
  6. 1.930km WSW of Tecopa, CA · 14963 days ago · 5 km deep · 6 km away
  7. 2.728km WSW of Tecopa, CA · 14960 days ago · 5 km deep · 7 km away
  8. 2.713km ENE of Barstow, CA · 14960 days ago · 4 km deep · 92 km away
  9. 2.427km S of Tecopa, CA · 14958 days ago · 5 km deep · 26 km away
  10. 1.922km S of Fort Irwin, CA · 14954 days ago · 5 km deep · 73 km away
  11. 1.932km ENE of Boron, CA · 14948 days ago · -1 km deep · 99 km away
  12. 1.727km N of Fort Irwin, CA · 14945 days ago · 5 km deep · 30 km away
  13. 2.128km N of Fort Irwin, CA · 14945 days ago · 5 km deep · 29 km away
  14. 2.110km NNE of Barstow, CA · 14944 days ago · 4 km deep · 91 km away
  15. 2.528km SW of Summerlin South, NV · 14944 days ago · 5 km deep · 85 km away

Before

  1. 2.434km WSW of Tecopa, CA · 14999 days ago · 5 km deep · 6 km away
  2. 2.212km NNE of Barstow, CA · 15008 days ago · 6 km deep · 89 km away
  3. 3.013km ENE of Barstow, CA · 15016 days ago · 3 km deep · 91 km away
  4. 1.910km ENE of Barstow, CA · 15016 days ago · 5 km deep · 94 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci117712. Read Tue, Sep 29, 2026, 1:14 PM UTC.