M4.3 earthquake 15 km SW of Montecillos, Mexico
A magnitude 4.3 earthquake struck 15 km SW of Montecillos, Mexico on Fri, Oct 1, 1982, 2:59 AM CST (08:59 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.1 4 km SE of Huehuetán, Mexico. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 1982-10-01 08:59:22 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 16.294° N, 98.606° 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: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.444 km SSW of Corralero, Mexico · 16056 days ago · 33 km deep · 52 km away
- 4.742 km S of Santiago Tepextla, Mexico · 16049 days ago · 33 km deep · 40 km away
- 4.429 km SSW of Corralero, Mexico · 16041 days ago · 33 km deep · 43 km away
- 3.853 km SSW of Corralero, Mexico · 16040 days ago · 33 km deep · 57 km away
- 4.079 km SSW of Santa María Chico Ometepec, Mexico · 16031 days ago · 33 km deep · 99 km away
- 5.14 km SE of Huehuetán, Mexico · 16010 days ago · 26 km deep · 36 km away
Before
Earthquakes todayMexico earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001pye. Read Mon, Sep 28, 2026, 5:31 PM UTC.