Mexico earthquakes

M1.9 earthquake 10km N of Delta, B.C., MX

A magnitude 1.9 earthquake struck 10km N of Delta, B.C., MX on Wed, Oct 18, 1978, 5:27 AM PDT (12:27 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.4 33km WSW of Alberto Oviedo Mota, B.C., MX. This one was a foreshock.

Ciudad Guadalupe Victoria forecastMore in Mexico

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.9 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-10-18 12:27:20 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
32.441° N, 115.174° 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 2.5 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.52
Depth from
Operator assigned
Station coverage gap
243°, poorly surrounded by stations
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: 161 in the 60 days after this one and 52 in the 30 days before it.

After

The first 60 of 161.

Before

Earthquakes todayMexico earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3313779. Read Thu, Oct 1, 2026, 3:39 AM UTC.