M1.8 earthquake 6 km N of Milton-Freewater, Oregon
A magnitude 1.8 earthquake struck 6 km N of Milton-Freewater, Oregon on Sun, Aug 16, 1992, 7:37 AM PDT (14:37 UTC), 18 km (11 mi) below the surface.
A larger quake followed: M2.8 4 km N of Milton-Freewater, Oregon. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1992-08-16 14:37:47 UTC
- Depth
- 18.1 km (11.3 mi), shallow
- Epicenter
- 45.987° N, 118.391° 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 5.8 km horizontally, 6.6 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 251°, poorly surrounded by stations
- Stations used
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.36 km NNE of Richland, Washington · 12460 days ago · 0 km deep · 77 km away
- 1.614 km N of Touchet, Washington · 12460 days ago · 15 km deep · 28 km away
- 1.714 km WSW of Lostine, Oregon · 12436 days ago · 25 km deep · 87 km away
- 2.84 km N of Milton-Freewater, Oregon · 12430 days ago · 6 km deep · 1 km away
- 2.12 km NNE of Wallowa, Oregon · 12422 days ago · 11 km deep · 81 km away
- 2.111 km W of Prescott, Washington · 12410 days ago · 0 km deep · 36 km away
Before
- 1.917 km NW of Pomeroy, Washington · 12470 days ago · -1 km deep · 83 km away
- 3.98 km WSW of Irrigon, Oregon · 12477 days ago · 0 km deep · 94 km away
- 2.85 km SSW of College Place, Washington · 12478 days ago · 0 km deep · 2 km away
- 2.010 km SW of Prescott, Washington · 12493 days ago · 2 km deep · 26 km away
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10296598. Read Mon, Oct 5, 2026, 11:50 AM UTC.