Mexico earthquakes

M5.5 earthquake 42 km SSW of El Colomo, Mexico

A magnitude 5.5 earthquake struck 42 km SSW of El Colomo, Mexico on Wed, Jan 22, 2003, 2:15 PM CST (20:15 UTC), 10 km (6 mi) below the surface.

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Map

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

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The earthquake

Magnitude: 5.5 (mwc), moderate
Local time: Wed, Jan 22, 2003, 2:15 PM CST
UTC: 2003-01-22 20:15:34 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 18.737° N, 104.467° 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: 3.8% of gravity
Peak ground velocity: 0.9 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Reverse (thrust)
Nodal plane 1: Strike 271°, dip 16°, rake 65°
Nodal plane 2: Strike 116°, dip 75°, rake 97°

How well it is located

Reviewed by a seismologist.

Depth from: OPERATOR_ASSIGNED
Stations used: 167

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 38 in the 60 days after this one and 15 in the 30 days before it.

After

Before

Earthquakes today Mexico earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000bp0c (also filed as gcmtb012203e, gcmt20030122201534, iscgem6541916). Read Tue, Sep 29, 2026, 11:39 PM UTC.