M4.1 earthquake 5 km S of Cerro de Ortega, Mexico
A magnitude 4.1 earthquake struck 5 km S of Cerro de Ortega, Mexico on Tue, Nov 12, 1985, 5:41 AM CST (11:41 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.2 59 km SE of Aquila, Mexico. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1985-11-12 11:41:04 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 18.699° N, 103.726° 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.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.92 km WSW of Coalcomán de Vázquez Pallares, Mexico · 14921 days ago · 97 km deep · 58 km away
- 4.259 km SE of Aquila, Mexico · 14902 days ago · 33 km deep · 84 km away
Before
Earthquakes todayMexico earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002mpt. Read Sun, Oct 4, 2026, 3:12 AM UTC.