M1.8 earthquake 8 km SSE of Molalla, Oregon
A magnitude 1.8 earthquake struck 8 km SSE of Molalla, Oregon on Sun, Jul 17, 1983, 8:44 AM PDT (15:44 UTC), 14 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (md), micro
- Local time
- UTC
- 1983-07-17 15:44:33 UTC
- Depth
- 13.9 km (8.6 mi), shallow
- Epicenter
- 45.074° N, 122.530° 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 2.0 km horizontally, 7.1 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 156°
- Stations used
- 12
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
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10160038. Read Tue, Sep 22, 2026, 3:49 PM UTC.