M1.7 earthquake 8km E of Delta, B.C., MX

A magnitude 1.7 earthquake struck 8km E of Delta, B.C., MX on Wed, Mar 27, 1985, 11:55 AM PST (19:55 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.9 70km ENE of Maneadero, 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: 179 in the 60 days after this one and 35 in the 30 days before it.

The first 60 of 179.

From the USGS Earthquake Hazards Program and its partner networks, event ci63358. Read Wed, Sep 30, 2026, 5:43 PM UTC.