M4.5 earthquake 15 km WSW of Arteaga, Mexico
A magnitude 4.5 earthquake struck 15 km WSW of Arteaga, Mexico on Sun, Jan 20, 1985, 7:51 AM CST (13:51 UTC), 92 km (57 mi) below the surface.
A larger quake followed: M5.0 11 km W of Aguililla, Mexico. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1985-01-20 13:51:02 UTC
- Depth
- 91.7 km (57.0 mi), intermediate-depth
- Epicenter
- 18.307° N, 102.425° 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
- FROM_LOCATION
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 0 in the 30 days before it.
After
Earthquakes todayMexico earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002b7f. Read Tue, Sep 29, 2026, 2:25 PM UTC.