Mexico earthquakes

M2.7 earthquake 14km SW of Delta, B.C., MX

A magnitude 2.7 earthquake struck 14km SW of Delta, B.C., MX on Fri, Jun 30, 1978, 7:49 PM PDT (02:49 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.1 74 km SW of Ejido Doctor Alberto Oviedo Mota (El Indiviso), Mexico. This one was a foreshock.

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: 2.7 (Mh), micro
Magnitude from: Southern California Seismic Network
Local time: Fri, Jun 30, 1978, 7:49 PM PDT
UTC: 1978-07-01 02:49:38 UTC
Depth: 6.0 km (3.7 mi), shallow
Epicenter: 32.282° N, 115.313° 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 1.5 km horizontally, 31.6 km in depth
Magnitude uncertainty: ±0.19
Depth from: Operator assigned
Station coverage gap: 224°, poorly surrounded by stations
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: 145 in the 60 days after this one and 74 in the 30 days before it.

After

The first 60 of 145.

Before

Earthquakes today Mexico earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3340333. Read Fri, Oct 2, 2026, 6:33 AM UTC.