M1.5 earthquake 16 km NNW of Shaniko, Oregon
A magnitude 1.5 earthquake struck 16 km NNW of Shaniko, Oregon on Sat, Sep 18, 1982, 9:07 PM PDT (04:07 UTC), 27 km (17 mi) below the surface.
A larger quake followed: M1.9 19 km S of Grass Valley, Oregon. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.5 (md), micro
- Local time
- UTC
- 1982-09-19 04:07:26 UTC
- Depth
- 27.1 km (16.8 mi), shallow
- Epicenter
- 45.147° N, 120.819° 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 2.1 km horizontally, 2.2 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 87°
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 1.919 km S of Grass Valley, Oregon · 16075 days ago · 22 km deep · 4 km away
- 1.83 km S of Parkdale, Oregon · 16071 days ago · -1 km deep · 72 km away
- 1.517 km E of Maupin, Oregon · 16070 days ago · 12 km deep · 5 km away
- 1.54 km SE of Parkdale, Oregon · 16052 days ago · 4 km deep · 69 km away
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10145118. Read Tue, Sep 22, 2026, 5:21 PM UTC.