Mexico earthquakes

M4.0 earthquake 57 km SW of Cuyutlán, Mexico

A magnitude 4.0 earthquake struck 57 km SW of Cuyutlán, Mexico on Fri, Mar 21, 2003, 2:33 AM CST (08:33 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M4.1 20 km S of Cuyutlán, Mexico. This one was a foreshock.

Manzanillo 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
2003-03-21 08:33:18 UTC
Depth
18.3 km (11.4 mi), shallow
Epicenter
18.579° N, 104.484° 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.

Station coverage gap
260°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 3.542 km SSW of El Naranjo, Mexico · 8584 days ago · 16 km deep · 22 km away
  2. 4.120 km S of Cuyutlán, Mexico · 8569 days ago · 6 km deep · 50 km away
  3. 3.948 km SSW of El Naranjo, Mexico · 8569 days ago · 16 km deep · 22 km away
  4. 4.121 km SW of Cofradía de Morelos, Mexico · 8562 days ago · 32 km deep · 57 km away
  5. 4.238 km SW of Cuyutlán, Mexico · 8550 days ago · 10 km deep · 20 km away
  6. 4.3Near the coast of Colima, Mexico · 8550 days ago · 10 km deep · 14 km away
  7. 3.932 km S of Cuyutlán, Mexico · 8542 days ago · 6 km deep · 46 km away

Before

  1. 3.954 km SSW of El Naranjo, Mexico · 8593 days ago · 16 km deep · 11 km away
  2. 3.949 km SSW of El Naranjo, Mexico · 8593 days ago · 16 km deep · 15 km away
  3. 4.014 km SSW of Manzanillo, Mexico · 8596 days ago · 10 km deep · 47 km away
  4. 4.3Near the coast of Colima, Mexico · 8597 days ago · 10 km deep · 9 km away
  5. 4.361 km SSW of Cuyutlán, Mexico · 8599 days ago · 10 km deep · 38 km away
  6. 4.267 km S of Barra de Navidad, Mexico · 8610 days ago · 10 km deep · 29 km away
  7. 3.84 km WSW of Tecomán, Mexico · 8616 days ago · 5 km deep · 69 km away
  8. 4.158 km SSW of El Colomo, Mexico · 8617 days ago · 13 km deep · 6 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000bt5m. Read Wed, Sep 23, 2026, 12:56 AM UTC.