M3.1 earthquake 31km NE of Boron, CA
A magnitude 3.1 earthquake struck 31km NE of Boron, CA on Mon, Mar 12, 1945, 4:03 AM GMT-7 (11:03 UTC), 0 km (0 mi) below the surface.
A larger quake followed: M4.3 9km S of Lucerne Valley, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.1 (ml), minor
- Local time
- UTC
- 1945-03-12 11:03:14 UTC
- Depth
- 0.0 km (0.0 mi), shallow
- Epicenter
- 35.170° N, 117.380° W
- Region
- California
- 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
- ±0.15
- Depth from
- Operator assigned
- Station coverage gap
- 191°, 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: 8 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.517km ENE of Lucerne Valley, CA · 29755 days ago · 6 km deep · 89 km away
- 2.815km ENE of Lucerne Valley, CA · 29753 days ago · 6 km deep · 89 km away
- 2.618km NE of Lucerne Valley, CA · 29751 days ago · 6 km deep · 85 km away
- 2.616km NE of Lucerne Valley, CA · 29751 days ago · 6 km deep · 84 km away
- 2.517km ESE of Boron, CA · 29746 days ago · 6 km deep · 25 km away
- 4.39km S of Lucerne Valley, CA · 29742 days ago · 6 km deep · 97 km away
- 2.718km ENE of Lucerne Valley, CA · 29740 days ago · 6 km deep · 90 km away
- 3.711km WNW of Johannesburg, CA · 29720 days ago · 6 km deep · 43 km away
Before
Earthquakes todayCalifornia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci3360721. Read Tue, Sep 22, 2026, 12:08 PM UTC.