Mexico earthquakes

M1.8 earthquake 13km NW of Progreso, B.C., MX

A magnitude 1.8 earthquake struck 13km NW of Progreso, B.C., MX on Sun, Jul 2, 1978, 6:56 PM PDT (01:56 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.5 32km WSW of Alberto Oviedo Mota, B.C., MX. This one was a foreshock.

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The earthquake

Magnitude
1.8 (mh), micro
Local time
UTC
1978-07-03 01:56:06 UTC
Depth
11.6 km (7.2 mi), shallow
Epicenter
32.659° N, 115.680° 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 1.4 km horizontally, 1.0 km in depth
Depth from
From location
Station coverage gap
174°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 190 in the 60 days after this one and 98 in the 30 days before it.

After

The first 60 of 190.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3340363. Read Wed, Sep 30, 2026, 1:47 AM UTC.