Mexico earthquakes

M1.5 earthquake 4km N of Puebla, B.C., MX

A magnitude 1.5 earthquake struck 4km N of Puebla, B.C., MX on Mon, Sep 26, 1983, 7:58 PM PDT (02:58 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M3.8 24km WSW of Westmorland, CA. This one was a foreshock.

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

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The earthquake

Magnitude
1.5 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1983-09-27 02:58:20 UTC
Depth
18.1 km (11.2 mi), shallow
Epicenter
32.599° N, 115.353° 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.

Location uncertainty
About 1.7 km horizontally, 2.4 km in depth
Depth from
From location
Station coverage gap
201°, poorly surrounded by stations
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 191 in the 60 days after this one and 94 in the 30 days before it.

After

The first 60 of 191.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci15917. Read Thu, Oct 1, 2026, 9:22 PM UTC.