M1.7 earthquake 7km N of Delta, B.C., MX

A magnitude 1.7 earthquake struck 7km N of Delta, B.C., MX on Thu, Jun 22, 1978, 2:14 PM PDT (21:14 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.7 21km SW of Alberto Oviedo Mota, B.C., MX. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 142 in the 60 days after this one and 83 in the 30 days before it.

The first 60 of 142.

From the USGS Earthquake Hazards Program and its partner networks, event ci3340163. Read Wed, Sep 30, 2026, 3:31 PM UTC.