M3.4 earthquake 35 km NE of Halfway, Oregon
A magnitude 3.4 earthquake struck 35 km NE of Halfway, Oregon on Tue, Sep 18, 1984, 7:32 PM MDT (01:32 UTC), 5 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.4 (ml), minor
- Local time
- UTC
- 1984-09-19 01:32:06 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 45.079° N, 116.766° 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
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00027gj. Read Tue, Sep 22, 2026, 7:48 AM UTC.