M3.9 earthquake 4 km SSE of Santiago Ixtaltepec, Mexico
A magnitude 3.9 earthquake struck 4 km SSE of Santiago Ixtaltepec, Mexico on Sat, May 25, 1985, 11:38 PM CST (05:38 UTC), 157 km (97 mi) below the surface.
A larger quake followed: M5.2 5 km E of Helio García Alfaro, Mexico. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1985-05-26 05:38:32 UTC
- Depth
- 156.9 km (97.5 mi), intermediate-depth
- Epicenter
- 16.653° N, 94.895° 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: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.31 km NW of Zarzal, Mexico · 15085 days ago · 157 km deep · 44 km away
- 5.25 km E of Helio García Alfaro, Mexico · 15065 days ago · 132 km deep · 98 km away
- 3.133 km SW of La Gloria, Mexico · 15063 days ago · 128 km deep · 96 km away
- 3.7Veracruz, Mexico · 15054 days ago · 33 km deep · 85 km away
Before
Earthquakes todayMexico earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002f6x. Read Fri, Oct 2, 2026, 7:52 PM UTC.