Mexico earthquakes

M3.7 earthquake 7km N of Delta, B.C., MX

A magnitude 3.7 earthquake struck 7km N of Delta, B.C., MX on Fri, Sep 17, 2021, 5:51 AM PDT (12:51 UTC), 11 km (7 mi) below the surface.

Ciudad Guadalupe Victoria forecast More in Mexico

Map

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

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The earthquake

Magnitude: 3.7 (Mw, moment), minor
Magnitude from: Southern California Seismic Network
Local time: Fri, Sep 17, 2021, 5:51 AM PDT
UTC: 2021-09-17 12:51:58 UTC
Depth: 10.9 km (6.8 mi), shallow
Epicenter: 32.414° N, 115.206° W
Region: Mexico
Strongest shaking: IV, light shaking
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
3.72	Mw, moment	Southern California Seismic Network	Preferred · Final · 4 stations
3.7	Mwr, regional moment	USGS National Earthquake Information Center	Reviewed · 4 stations
4.1	Mw, moment	EW	Preliminary · ±0.4 · 4 stations

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: IV, light shaking
Peak ground acceleration: 1.8% of gravity
Peak ground velocity: -0.1 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

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 0.4 km horizontally, 0.8 km in depth
Depth from: From location
Station coverage gap: 67°
Stations used: 36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 62 in the 60 days after this one and 60 in the 30 days before it.

After

The first 60 of 62.

Before

Earthquakes today Mexico earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci39811695 (also filed as us7000fc2m, ew1631883120). Read Sun, Oct 4, 2026, 12:10 PM UTC.