M2.1 earthquake 5 km W of Pendleton, Oregon
A magnitude 2.1 earthquake struck 5 km W of Pendleton, Oregon on Wed, May 2, 1984, 12:36 PM PDT (19:36 UTC), -1 km (0 mi) below the surface.
A larger quake followed: M2.7 4 km E of Umapine, Oregon. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.1 (md), micro
- Local time
- UTC
- 1984-05-02 19:36:09 UTC
- Depth
- -0.6 km (-0.4 mi), shallow
- Epicenter
- 45.676° N, 118.864° 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 0.2 km horizontally, 0.3 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- Operator assigned
- Station coverage gap
- 192°, poorly surrounded by stations
- Stations used
- 9
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 2.013 km WSW of Highland, Washington · 15479 days ago · 18 km deep · 54 km away
- 1.910 km NNW of Pilot Rock, Oregon · 15468 days ago · 11 km deep · 11 km away
- 2.74 km E of Umapine, Oregon · 15449 days ago · 6 km deep · 47 km away
- 2.121 km NE of Lexington, Oregon · 15440 days ago · 21 km deep · 48 km away
- 3.122 km ENE of Ukiah, Oregon · 15437 days ago · 10 km deep · 51 km away
- 2.121 km E of Ukiah, Oregon · 15427 days ago · 0 km deep · 60 km away
- 2.02 km SW of West Richland, Washington · 15427 days ago · 7 km deep · 79 km away
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10173838. Read Wed, Sep 23, 2026, 12:05 PM UTC.