Mexico earthquakes

M4.0 earthquake 47 km SSW of Cuyutlán, Mexico

A magnitude 4.0 earthquake struck 47 km SSW of Cuyutlán, Mexico on Tue, Jan 21, 2003, 10:50 PM CST (04:50 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.3 23 km SSW of Cuyutlán, Mexico. This one was a foreshock.

Ciudad de Armería forecastMore in Mexico

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.0 (md), light
Local time
UTC
2003-01-22 04:50:44 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
18.507° N, 104.200° 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
Stations used
4

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 46 in the 60 days after this one and 5 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000bnz4. Read Tue, Sep 22, 2026, 5:22 PM UTC.