M2.4 earthquake 8 km ESE of Spray, Oregon
A magnitude 2.4 earthquake struck 8 km ESE of Spray, Oregon on Fri, Sep 4, 1987, 4:15 PM PDT (23:15 UTC), 12 km (7 mi) below the surface.
A larger quake followed: M3.1 10 km ESE of Condon, Oregon. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.4 (md), micro
- Local time
- UTC
- 1987-09-04 23:15:47 UTC
- Depth
- 11.9 km (7.4 mi), shallow
- Epicenter
- 44.816° N, 119.685° 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 4.0 km horizontally, 2.3 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 235°, poorly surrounded by stations
- Stations used
- 23
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 5 in the 30 days before it.
After
- 3.110 km ESE of Condon, Oregon · 14259 days ago · 12 km deep · 52 km away
- 1.910 km ESE of Condon, Oregon · 14259 days ago · 16 km deep · 51 km away
- 2.312 km ESE of Condon, Oregon · 14258 days ago · 17 km deep · 50 km away
- 2.410 km ESE of Condon, Oregon · 14258 days ago · -1 km deep · 52 km away
- 1.79 km SE of Condon, Oregon · 14256 days ago · -1 km deep · 52 km away
- 2.711 km ESE of Condon, Oregon · 14238 days ago · 19 km deep · 50 km away
- 2.010 km SE of Condon, Oregon · 14226 days ago · 2 km deep · 51 km away
Before
- 1.817 km NNW of Shaniko, Oregon · 14274 days ago · 18 km deep · 99 km away
- 1.518 km E of Maupin, Oregon · 14276 days ago · 15 km deep · 99 km away
- 1.818 km NNW of Shaniko, Oregon · 14277 days ago · 13 km deep · 99 km away
- 2.117 km ESE of Maupin, Oregon · 14280 days ago · 24 km deep · 99 km away
- 2.417 km E of Maupin, Oregon · 14289 days ago · 27 km deep · 99 km away
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10221973. Read Tue, Sep 22, 2026, 10:08 AM UTC.