M3.0 earthquake 25km E of Tecopa, CA
A magnitude 3.0 earthquake struck 25km E of Tecopa, CA on Thu, Jul 1, 1943, 9:19 AM GMT-7 (16:19 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M3.6 22km ESE of Tecopa, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.0 (ml), minor
- Local time
- UTC
- 1943-07-01 16:19:16 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 35.807° N, 115.955° W
- Region
- Nevada
- 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 5.4 km horizontally, 31.6 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 275°, poorly surrounded by stations
- Stations used
- 5
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayNevada earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci3366337. Read Tue, Sep 22, 2026, 8:44 PM UTC.