M4.4 earthquake 27 km NE of Petatlán, Mexico
A magnitude 4.4 earthquake struck 27 km NE of Petatlán, Mexico on Wed, Mar 14, 1979, 4:05 PM CST (22:05 UTC), 61 km (38 mi) below the surface.
A larger quake followed: M5.4 19 km NNE of Coyuquilla Norte, Mexico. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1979-03-14 22:05:08 UTC
- Depth
- 61.0 km (37.9 mi), shallow
- Epicenter
- 17.707° N, 101.081° 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.
- Stations used
- 15
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 6 in the 30 days before it.
After
- 4.420 km ENE of Vallecitos de Zaragoza, Mexico · 17369 days ago · 33 km deep · 33 km away
- 5.419 km NNE of Coyuquilla Norte, Mexico · 17367 days ago · 33 km deep · 20 km away
- 4.92 km WSW of Petatlán, Mexico · 17366 days ago · 51 km deep · 30 km away
- 5.123 km W of Vallecitos de Zaragoza, Mexico · 17363 days ago · 76 km deep · 56 km away
- 4.520 km S of Papanoa, Mexico · 17357 days ago · 42 km deep · 63 km away
- 4.032 km SSW of Petatlán, Mexico · 17325 days ago · 33 km deep · 58 km away
Before
- 5.06 km NE of San Miguelito, Mexico · 17371 days ago · 66 km deep · 34 km away
- 4.647 km NE of Coyuquilla Norte, Mexico · 17371 days ago · 48 km deep · 38 km away
- 5.55 km NE of Vallecitos de Zaragoza, Mexico · 17371 days ago · 52 km deep · 35 km away
- 7.612 km SSE of Vallecitos de Zaragoza, Mexico · 17371 days ago · 49 km deep · 24 km away
- 5.223 km NNE of Coyuquilla Norte, Mexico · 17385 days ago · 54 km deep · 15 km away
- 4.56 km SW of Placeres del Oro, Mexico · 17387 days ago · 33 km deep · 57 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000zcd. Read Sun, Oct 4, 2026, 8:16 PM UTC.