M2.1 earthquake 56km W of Rosarito, B.C., MX
A magnitude 2.1 earthquake struck 56km W of Rosarito, B.C., MX on Tue, May 5, 1981, 12:54 PM PDT (19:54 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M2.3 16km E 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
- 2.1 (mh), micro
- Local time
- UTC
- 1981-05-05 19:54:59 UTC
- Depth
- 5.8 km (3.6 mi), shallow
- Epicenter
- 32.239° N, 117.620° 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 2.3 km horizontally, 31.6 km in depth
- Depth from
- Operator assigned
- Station coverage gap
- 325°, poorly surrounded by stations
- Stations used
- 7
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 7 in the 30 days before it.
After
- 2.316km E of San Clemente Is. (SE tip), CA · 16570 days ago · 6 km deep · 83 km away
- 2.658km ESE of San Clemente Is. (SE tip), CA · 16557 days ago · 6 km deep · 38 km away
- 2.143km E of San Clemente Is. (SE tip), CA · 16549 days ago · 6 km deep · 74 km away
- 2.216km E of San Clemente Is. (SE tip), CA · 16543 days ago · 0 km deep · 84 km away
- 1.838km WSW of Encinitas, CA · 16537 days ago · 5 km deep · 78 km away
- 2.646km SW of Primo Tapia, B.C., MX · 16536 days ago · 6 km deep · 42 km away
- 2.545km SW of Primo Tapia, B.C., MX · 16531 days ago · 6 km deep · 48 km away
- 2.617km SSW of El Sauzal, B.C., MX · 16527 days ago · 17 km deep · 97 km away
- 2.239km WSW of Primo Tapia, B.C., MX · 16526 days ago · 6 km deep · 41 km away
- 2.110km NE of San Clemente Is. (SE tip), CA · 16521 days ago · 6 km deep · 92 km away
Before
- 2.024km ESE of Primo Tapia, B.C., MX · 16587 days ago · 5 km deep · 90 km away
- 2.661km SW of Coronado, CA · 16591 days ago · 6 km deep · 18 km away
- 2.045km E of San Clemente Is. (SE tip), CA · 16600 days ago · 6 km deep · 64 km away
- 1.83km S of National City, CA · 16600 days ago · 5 km deep · 67 km away
- 1.844km SSW of San Clemente, CA · 16603 days ago · 6 km deep · 96 km away
- 1.945km SSW of San Clemente, CA · 16603 days ago · 5 km deep · 96 km away
- 2.123km ESE of Primo Tapia, B.C., MX · 16603 days ago · 5 km deep · 88 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci515479. Read Tue, Sep 22, 2026, 10:31 PM UTC.