M3.5 earthquake 20km SSE of Primm, NV
A magnitude 3.5 earthquake struck 20km SSE of Primm, NV on Sun, May 5, 1940, 1:38 AM GMT-8 (09:38 UTC), 6 km (4 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.5 (ml), minor
- Local time
- UTC
- 1940-05-05 09:38:27 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 35.456° N, 115.291° 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 5.3 km horizontally, 31.6 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- Operator assigned
- Station coverage gap
- 348°, poorly surrounded by stations
- Stations used
- 2
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci3365265. Read Tue, Sep 22, 2026, 3:09 PM UTC.