M2.3 earthquake 8 km ESE of Hubbard, Oregon
A magnitude 2.3 earthquake struck 8 km ESE of Hubbard, Oregon on Sat, Nov 12, 1983, 7:35 PM PST (03:35 UTC), 20 km (13 mi) below the surface.
A larger quake followed: M2.6 1 km SE of Mulino, Oregon. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.3 (md), micro
- Local time
- UTC
- 1983-11-13 03:35:55 UTC
- Depth
- 20.3 km (12.6 mi), shallow
- Epicenter
- 45.153° N, 122.703° 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 4.1 km horizontally, 1.6 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 247°, poorly surrounded by stations
- Stations used
- 41
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 3 in the 30 days before it.
After
- 2.61 km SE of Mulino, Oregon · 15636 days ago · 18 km deep · 12 km away
- 1.611 km E of Molalla, Oregon · 15619 days ago · 7 km deep · 21 km away
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10167443. Read Wed, Sep 23, 2026, 12:52 AM UTC.