M3.3 earthquake 56km WSW of Lompoc, CA
A magnitude 3.3 earthquake struck 56km WSW of Lompoc, CA on Mon, Jul 8, 1946, 11:59 AM GMT-8 (19:59 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
- 3.3 (ml), minor
- Local time
- UTC
- 1946-07-08 19:59:40 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 34.388° N, 120.984° 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 4.4 km horizontally, 31.6 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- Operator assigned
- Station coverage gap
- 319°, poorly surrounded by stations
- Stations used
- 4
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 0 in the 30 days before it.
After
Earthquakes todayCalifornia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci10085266. Read Tue, Sep 22, 2026, 9:46 AM UTC.