M2.9 earthquake 13 km WSW of Royal City, Washington

A magnitude 2.9 earthquake struck 13 km WSW of Royal City, Washington on Tue, Oct 22, 2002, 3:32 AM PDT (10:32 UTC), 2 km (1 mi) below the surface.

Map

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

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
2.9	Md, duration	Pacific Northwest Seismic Network	Preferred · Final · ±0.03 · 12 stations
2.9	Md, duration	USGS National Earthquake Information Center	Reviewed

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: 6 in the 60 days after this one and 3 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event uw10572308 (also filed as usp000bf0q). Read Thu, Oct 1, 2026, 9:12 AM UTC.