Mexico earthquakes

M1.7 earthquake 12km WSW of Puebla, B.C., MX

A magnitude 1.7 earthquake struck 12km WSW of Puebla, B.C., MX on Wed, Jul 28, 2021, 9:48 PM PDT (04:48 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.0 12km N of Westmorland, CA. This one was a foreshock.

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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
1.7 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2021-07-29 04:48:13 UTC
Depth
15.6 km (9.7 mi), shallow
Epicenter
32.523° N, 115.471° 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 0.6 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.25
Depth from
From location
Station coverage gap
93°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 142 in the 60 days after this one and 72 in the 30 days before it.

After

The first 60 of 142.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci39756695. Read Sun, Oct 4, 2026, 6:47 AM UTC.