Mexico earthquakes

M1.8 earthquake 19km WNW of Progreso, B.C., MX

A magnitude 1.8 earthquake struck 19km WNW of Progreso, B.C., MX on Sun, Mar 26, 1978, 1:10 AM PST (09:10 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.3 7km WSW of Holtville, 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
1.8 (mc), micro
Local time
UTC
1978-03-26 09:10:14 UTC
Depth
8.1 km (5.1 mi), shallow
Epicenter
32.671° N, 115.750° 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 1.0 km horizontally, 2.0 km in depth
Depth from
From location
Station coverage gap
134°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 193 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 193.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3338356. Read Wed, Sep 23, 2026, 12:02 AM UTC.