Washington earthquakes

M3.5 earthquake 17 km ESE of Toledo, Washington

A magnitude 3.5 earthquake struck 17 km ESE of Toledo, Washington on Sun, Oct 12, 1986, 11:58 AM PDT (18:58 UTC), 68 km (42 mi) below the surface.

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

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The earthquake

Magnitude
3.5 (md), minor
Local time
UTC
1986-10-12 18:58:50 UTC
Depth
68.0 km (42.2 mi), shallow
Epicenter
46.352° N, 122.651° W
Tsunami flag
No
Status
Reviewed by a seismologist

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 0.4 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.27
Depth from
From location
Station coverage gap
68°
Stations used
42

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 165 in the 60 days after this one and 25 in the 30 days before it.

After

The first 60 of 165.

Before

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10215593. Read Tue, Sep 22, 2026, 4:05 PM UTC.