M3.4 earthquake 10km W of El Centro, CA
A magnitude 3.4 earthquake struck 10km W of El Centro, CA on Thu, Oct 5, 1933, 9:12 AM GMT-8 (17:12 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M4.0 8km WNW of Calipatria, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.4 (ml), minor
- Local time
- UTC
- 1933-10-05 17:12:53 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 32.785° N, 115.668° 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 2.5 km horizontally, 31.6 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- Operator assigned
- Station coverage gap
- 323°, 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: 8 in the 60 days after this one and 5 in the 30 days before it.
After
- 3.016km E of Ocotillo Wells, CA · 33955 days ago · 6 km deep · 47 km away
- 3.317km N of Delta, B.C., MX · 33944 days ago · 6 km deep · 55 km away
- 4.08km WNW of Calipatria, CA · 33931 days ago · 6 km deep · 42 km away
- 2.737km S of Ocotillo, CA · 33930 days ago · 6 km deep · 53 km away
- 2.720km ENE of Ocotillo, CA · 33930 days ago · 6 km deep · 11 km away
- 3.313km NW of Imperial, CA · 33930 days ago · 6 km deep · 15 km away
- 2.620km W of Westmorland, CA · 33930 days ago · 6 km deep · 33 km away
- 2.812km W of Ocotillo Wells, CA · 33922 days ago · 6 km deep · 69 km away
Before
- 3.118km WSW of El Centro, CA · 33955 days ago · 6 km deep · 10 km away
- 3.011km WSW of El Centro, CA · 33955 days ago · 6 km deep · 4 km away
- 3.012km WSW of Puebla, B.C., MX · 33955 days ago · 6 km deep · 34 km away
- 3.610km E of Mexicali, B.C., MX · 33958 days ago · 6 km deep · 32 km away
- 2.962km SSW of Progreso, B.C., MX · 33977 days ago · 6 km deep · 83 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci3361483. Read Tue, Sep 22, 2026, 10:30 PM UTC.