M4.7 earthquake 99 km WSW of Altata, Mexico
A magnitude 4.7 earthquake struck 99 km WSW of Altata, Mexico on Sat, Jul 9, 1983, 1:52 PM GMT-7 (20:52 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.5 84 km SSW of Altata, Mexico. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1983-07-09 20:52:09 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 24.292° N, 108.836° 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 1.7 and up: 3 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 usp0001wpf. Read Tue, Sep 22, 2026, 4:52 PM UTC.