M3.8 earthquake 10 km SW of La Reforma, Mexico
A magnitude 3.8 earthquake struck 10 km SW of La Reforma, Mexico on Wed, Dec 12, 1984, 2:46 AM CST (08:46 UTC), 62 km (39 mi) below the surface.
A larger quake followed: M5.1 4 km W of San Juan Jicayán, Mexico. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.8 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1984-12-12 08:46:54 UTC
- Depth
- 62.3 km (38.7 mi), shallow
- Epicenter
- 16.550° N, 97.906° 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 2 in the 30 days before it.
After
- 5.14 km W of San Juan Jicayán, Mexico · 15236 days ago · 30 km deep · 17 km away
- 4.338 km S of Santa María Chico Ometepec, Mexico · 15217 days ago · 10 km deep · 81 km away
Before
Earthquakes todayMexico earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00029ys. Read Sat, Oct 3, 2026, 5:51 PM UTC.