Idaho earthquakes

M3.5 earthquake 17 km NE of Halfway, Oregon

A magnitude 3.5 earthquake struck 17 km NE of Halfway, Oregon on Fri, Aug 10, 1984, 1:26 AM MDT (07:26 UTC), 5 km (3 mi) below the surface.

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The earthquake

Magnitude
3.5 (ml), minor
Local time
UTC
1984-08-10 07:26:38 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
44.986° N, 116.952° W
Region
Idaho
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.

Depth from
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Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.

After

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00026a8. Read Mon, Sep 28, 2026, 3:44 PM UTC.