M5.7 earthquake 2 km NW of Ignacio Ramírez, Mexico
A magnitude 5.7 earthquake struck 2 km NW of Ignacio Ramírez, Mexico on Fri, Aug 5, 1983, 8:26 PM CST (02:26 UTC), 87 km (54 mi) below the surface.
A larger quake followed: M6.3 4 km WNW of San Pedro Buenavista, Mexico. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (mb), moderate
- Local time
- UTC
- 1983-08-06 02:26:49 UTC
- Depth
- 87.2 km (54.2 mi), intermediate-depth
- Epicenter
- 16.125° N, 93.885° W
- Region
- Mexico
- Strongest shaking
- IV, light shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Peak ground acceleration
- 3.6% of gravity
- Peak ground velocity
- 0.4 cm/s
- Map
- Automatic
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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 6.34 km WNW of San Pedro Buenavista, Mexico · 15714 days ago · 115 km deep · 78 km away
- 5.110 km N of Francisco I. Madero, Mexico · 15711 days ago · 146 km deep · 87 km away
Before
Earthquakes todayMexico earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001xcd (also filed as gcmtb080683a, gcmt19830806022649, iscgem569554). Read Wed, Sep 23, 2026, 3:04 PM UTC.