M1.7 earthquake 10 km SSE of Mineral, Washington

A magnitude 1.7 earthquake struck 10 km SSE of Mineral, Washington on Fri, Mar 29, 1985, 3:15 PM PST (23:15 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M1.8 10 km SSE of Mineral, Washington. 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: 192 in the 60 days after this one and 2 in the 30 days before it.

The first 60 of 192.

From the USGS Earthquake Hazards Program and its partner networks, event uw10190303. Read Tue, Sep 22, 2026, 11:14 AM UTC.