M4.5 earthquake 1 km WNW of San Ildefonso Amatlán, Mexico
A magnitude 4.5 earthquake struck 1 km WNW of San Ildefonso Amatlán, Mexico on Wed, May 30, 1979, 2:04 AM CST (08:04 UTC), 32 km (20 mi) below the surface.
A larger quake followed: M4.8 5 km E of San Gabriel Mixtepec, 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1979-05-30 08:04:25 UTC
- Depth
- 32.0 km (19.9 mi), shallow
- Epicenter
- 16.340° N, 96.507° 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
- CONSTRAINED_BY_DEPTH_PHASES
- Stations used
- 42
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 usp0001102. Read Sat, Oct 3, 2026, 5:26 AM UTC.