M3.0 earthquake 16 km ESE of Maupin, Oregon
A magnitude 3.0 earthquake struck 16 km ESE of Maupin, Oregon on Mon, Mar 29, 1976, 4:36 AM PST (12:36 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M4.6 11 km NW of Shaniko, Oregon. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.0 (Md, duration), minor
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1976-03-29 12:36:19 UTC
- Depth
- 14.8 km (9.2 mi), shallow
- Epicenter
- 45.122° N, 120.890° 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 0.6 km horizontally, 0.4 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- Operator assigned
- Station coverage gap
- 322°, poorly surrounded by stations
- Stations used
- 11
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 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 uw10840998. Read Sat, Oct 3, 2026, 2:46 PM UTC.