M6.4 earthquake 1 km E of Chacalapa, Mexico
A magnitude 6.4 earthquake struck 1 km E of Chacalapa, Mexico on Sun, Jul 1, 1984, 10:50 PM CST (04:50 UTC), 47 km (29 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.4 (mw), strong
- Local time
- UTC
- 1984-07-02 04:50:44 UTC
- Depth
- 46.6 km (29.0 mi), shallow
- Epicenter
- 16.804° N, 98.441° W
- Region
- Mexico
- Strongest shaking
- VI, strong 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
- VI, strong shaking
- Peak ground acceleration
- 17.4% of gravity
- Peak ground velocity
- 2.4 cm/s
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 4 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.126 km SW of Montecillos, Mexico · 15418 days ago · 33 km deep · 68 km away
- 4.511 km SW of Marquelia, Mexico · 15385 days ago · 33 km deep · 59 km away
- 3.48 km SSE of Pueblo Hidalgo, Mexico · 15379 days ago · 33 km deep · 22 km away
- 5.12 km WSW of Los Liros, Mexico · 15365 days ago · 33 km deep · 23 km away
Earthquakes todayMexico earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00025ev (also filed as gcmtb070284b, gcmt19840702045042, atlas19840702045044, iscgem548122). Read Tue, Sep 22, 2026, 12:16 PM UTC.