M2.6 earthquake 9 km SE of Bucoda, Washington

A magnitude 2.6 earthquake struck 9 km SE of Bucoda, Washington on Sat, Nov 9, 1991, 9:13 AM PST (17:13 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.0 10 km SE of Bucoda, Washington. This one was a foreshock.

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
2.6	Md, duration	Pacific Northwest Seismic Network	Preferred · Final · ±0.04 · 19 stations
2.6	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: 33 in the 60 days after this one and 9 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event uw10285458 (also filed as usp0004yzb). Read Fri, Oct 2, 2026, 8:05 AM UTC.