California earthquakes

M4.3 earthquake 28km N of Barstow, CA

A magnitude 4.3 earthquake struck 28km N of Barstow, CA on Sun, Mar 20, 1949, 11:34 AM GMT-8 (19:34 UTC), 6 km (4 mi) below the surface.

Barstow 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
4.3 (ml), light
Local time
UTC
1949-03-20 19:34:50 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
35.145° N, 117.065° 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 1.6 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
200°, poorly surrounded by stations
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.811km NNE of Barstow, CA · 28307 days ago · 6 km deep · 19 km away
  2. 2.68km W of Inyokern, CA · 28304 days ago · 6 km deep · 94 km away
  3. 2.94km NE of Inyokern, CA · 28304 days ago · 6 km deep · 88 km away
  4. 3.134km W of Fort Irwin, CA · 28301 days ago · 6 km deep · 8 km away
  5. 2.816km SW of Johannesburg, CA · 28256 days ago · 6 km deep · 65 km away
  6. 2.817km SW of Johannesburg, CA · 28256 days ago · 6 km deep · 65 km away
  7. 2.523km NW of Adelanto, CA · 28252 days ago · 6 km deep · 64 km away
  8. 3.19km NW of Inyokern, CA · 28251 days ago · 6 km deep · 97 km away

Before

  1. 2.58km SW of Lucerne Valley, CA · 28311 days ago · 6 km deep · 84 km away
  2. 2.921km E of Barstow, CA · 28312 days ago · 6 km deep · 37 km away
  3. 3.339km SSE of Fort Irwin, CA · 28312 days ago · 6 km deep · 54 km away
  4. 3.020km WNW of Ludlow, CA · 28314 days ago · 6 km deep · 75 km away
  5. 2.822km NNW of Barstow, CA · 28317 days ago · 6 km deep · 7 km away
  6. 2.826km SSE of Fort Irwin, CA · 28317 days ago · 6 km deep · 42 km away
  7. 2.612km N of Barstow, CA · 28319 days ago · 6 km deep · 16 km away
  8. 2.828km SSE of Fort Irwin, CA · 28327 days ago · 6 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3356103. Read Tue, Sep 22, 2026, 9:44 AM UTC.