M1.9 earthquake 3 km SW of Silverton, Oregon
A magnitude 1.9 earthquake struck 3 km SW of Silverton, Oregon on Sun, Jul 23, 1989, 7:02 PM PDT (02:02 UTC), 8 km (5 mi) below the surface.
A larger quake followed: M3.7 4 km SE of Mill Plain, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.9 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1989-07-24 02:02:31 UTC
- Depth
- 7.6 km (4.8 mi), shallow
- Epicenter
- 44.989° N, 122.816° 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 0.9 km horizontally, 14.9 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- Operator assigned
- Station coverage gap
- 250°, poorly surrounded by stations
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 0 in the 30 days before it.
After
- 1.74 km E of Silverton, Oregon · 13584 days ago · 28 km deep · 7 km away
- 3.74 km SE of Mill Plain, Washington · 13575 days ago · 14 km deep · 74 km away
- 1.94 km WNW of Camas, Washington · 13575 days ago · 12 km deep · 74 km away
- 2.32 km SSE of La Center, Washington · 13564 days ago · 16 km deep · 96 km away
- 2.66 km N of Cherry Grove, Washington · 13548 days ago · 13 km deep · 98 km away
- 1.66 km E of La Center, Washington · 13548 days ago · 15 km deep · 98 km away
- 2.27 km NNE of Government Camp, Oregon · 13531 days ago · 3 km deep · 96 km away
- 2.18 km NNE of Government Camp, Oregon · 13531 days ago · 4 km deep · 97 km away
- 3.58 km NNE of Government Camp, Oregon · 13531 days ago · 4 km deep · 97 km away
- 2.07 km NNE of Government Camp, Oregon · 13531 days ago · 4 km deep · 97 km away
- 1.57 km NNE of Government Camp, Oregon · 13531 days ago · 3 km deep · 97 km away
- 1.68 km NE of Government Camp, Oregon · 13531 days ago · -1 km deep · 97 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10248163. Read Thu, Oct 1, 2026, 10:39 PM UTC.