M2.5 earthquake 95km WSW of Rosarito, B.C., MX
A magnitude 2.5 earthquake struck 95km WSW of Rosarito, B.C., MX on Tue, Sep 22, 1981, 10:52 AM PDT (17:52 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M2.7 34km SE of San Clemente Is. (SE tip), CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.5 (Mh), micro
- Magnitude from
- Southern California Seismic Network
- Local time
- UTC
- 1981-09-22 17:52:53 UTC
- Depth
- 5.8 km (3.6 mi), shallow
- Epicenter
- 31.875° N, 117.886° W
- Region
- Mexico
- 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 20.2 km horizontally, 31.6 km in depth
- Depth from
- Operator assigned
- Station coverage gap
- 351°, 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: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 1.947km ESE of San Clemente Is. (SE tip), CA · 16427 days ago · 6 km deep · 86 km away
- 1.914km SW of Primo Tapia, B.C., MX · 16420 days ago · 5 km deep · 87 km away
- 2.035km SE of San Clemente Is. (SE tip), CA · 16417 days ago · 11 km deep · 86 km away
- 2.734km SE of San Clemente Is. (SE tip), CA · 16417 days ago · 11 km deep · 87 km away
- 2.337km SE of San Clemente Is. (SE tip), CA · 16391 days ago · 6 km deep · 84 km away
Before
Earthquakes todayMexico earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci523352. Read Thu, Oct 1, 2026, 3:02 AM UTC.