M1.9 earthquake 9 km NE of Mehama, Oregon
A magnitude 1.9 earthquake struck 9 km NE of Mehama, Oregon on Thu, Sep 11, 1980, 2:42 PM PDT (21:42 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M2.3 2 km NW of Wapanitia, Oregon. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.9 (md), micro
- Local time
- UTC
- 1980-09-11 21:42:45 UTC
- Depth
- 10.3 km (6.4 mi), shallow
- Epicenter
- 44.848° N, 122.533° W
- Region
- Oregon
- 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 2.4 km horizontally, 13.5 km in depth
- Magnitude uncertainty
- ±0.41
- Depth from
- From location
- Station coverage gap
- 206°, poorly surrounded by stations
- Stations used
- 6
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.32 km NW of Wapanitia, Oregon · 16806 days ago · 5 km deep · 78 km away
- 2.815 km ENE of Siletz, Oregon · 16795 days ago · 20 km deep · 95 km away
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10087233. Read Tue, Sep 22, 2026, 8:46 PM UTC.