M2.5 earthquake 12km WSW of Delta, B.C., MX

A magnitude 2.5 earthquake struck 12km WSW of Delta, B.C., MX on Sun, May 27, 1979, 10:57 PM PDT (05:57 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.1 4km NE of Westmorland, CA. 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: at least 199 in the 60 days after this one and 70 in the 30 days before it.

The first 60 of at least 199.

From the USGS Earthquake Hazards Program and its partner networks, event ci3349408. Read Fri, Oct 2, 2026, 9:03 AM UTC.