M2.7 earthquake 4 km E of Umapine, Oregon
A magnitude 2.7 earthquake struck 4 km E of Umapine, Oregon on Wed, Jun 6, 1984, 12:49 PM PDT (19:49 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M3.1 22 km ENE of Ukiah, Oregon. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.7 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1984-06-06 19:49:52 UTC
- Depth
- 5.9 km (3.7 mi), shallow
- Epicenter
- 45.974° N, 118.437° 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 3.3 km horizontally, 2.2 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 189°, poorly surrounded by stations
- Stations used
- 14
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
- 2.121 km NE of Lexington, Oregon · 15451 days ago · 21 km deep · 91 km away
- 3.122 km ENE of Ukiah, Oregon · 15447 days ago · 10 km deep · 85 km away
- 2.121 km E of Ukiah, Oregon · 15438 days ago · 0 km deep · 92 km away
- 2.02 km SW of West Richland, Washington · 15437 days ago · 7 km deep · 81 km away
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10175733. Read Sun, Oct 4, 2026, 3:09 AM UTC.