Washington earthquakes

M2.5 earthquake 7 km W of Packwood, Washington

A magnitude 2.5 earthquake struck 7 km W of Packwood, Washington on Mon, Oct 26, 1992, 10:10 PM PST (06:10 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.7 Washington. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1992-10-27 06:10:27 UTC
Depth
7.5 km (4.7 mi), shallow
Epicenter
46.600° N, 121.768° W
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

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.ScaleComputed byNotes
2.5Md, durationPacific Northwest Seismic NetworkPreferred · Final · ±0.02 · 9 stations
2.5Md, durationUSGS National Earthquake Information CenterReviewed

What happened

The USGS’s account of the effects of this earthquake.

Felt (IV) at Packwood. Also felt in the Randle area.

From the USGS event page for uw10299383. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.0 km horizontally, 0.0 km in depth
Magnitude uncertainty
±0.02
Depth from
Operator assigned
Station coverage gap
57°
Stations used
32

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 8 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10299383 (also filed as usp0005fy2). Read Sat, Oct 3, 2026, 5:36 AM UTC.