Oregon earthquakes

M1.9 earthquake 2 km SE of Donald, Oregon

A magnitude 1.9 earthquake struck 2 km SE of Donald, Oregon on Fri, Aug 30, 1991, 1:54 AM PDT (08:54 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M3.1 8 km ENE of North Plains, Oregon. This one was a foreshock.

Donald forecastMore in Oregon

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.9 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1991-08-30 08:54:37 UTC
Depth
31.6 km (19.6 mi), shallow
Epicenter
45.208° N, 122.815° 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 0.6 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
126°
Stations used
24

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 5 in the 30 days before it.

After

  1. 1.93 km WSW of Falls City, Oregon · 12778 days ago · 21 km deep · 65 km away
  2. 1.57 km W of Deer Island, Oregon · 12777 days ago · 23 km deep · 81 km away
  3. 1.78 km N of Bethany, Oregon · 12768 days ago · 18 km deep · 48 km away
  4. 3.18 km ENE of North Plains, Oregon · 12768 days ago · 20 km deep · 48 km away
  5. 1.58 km N of Bethany, Oregon · 12768 days ago · 19 km deep · 48 km away
  6. 1.79 km N of Bethany, Oregon · 12768 days ago · 20 km deep · 48 km away
  7. 2.88 km N of Bethany, Oregon · 12767 days ago · 18 km deep · 47 km away
  8. 1.79 km N of Bethany, Oregon · 12766 days ago · 19 km deep · 48 km away
  9. 3.08 km N of Bethany, Oregon · 12765 days ago · 20 km deep · 47 km away
  10. 1.88 km N of Bethany, Oregon · 12764 days ago · 19 km deep · 48 km away
  11. 1.610 km NE of North Plains, Oregon · 12764 days ago · 17 km deep · 50 km away
  12. 2.18 km N of Bethany, Oregon · 12763 days ago · 20 km deep · 47 km away

Before

  1. 2.15 km ENE of Government Camp, Oregon · 12829 days ago · 5 km deep · 89 km away
  2. 1.56 km ENE of Government Camp, Oregon · 12829 days ago · 4 km deep · 89 km away
  3. 1.65 km ENE of Government Camp, Oregon · 12829 days ago · 4 km deep · 89 km away
  4. 2.016 km N of Amboy, Washington · 12838 days ago · 17 km deep · 99 km away
  5. 1.79 km N of Bethany, Oregon · 12846 days ago · 6 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10282333. Read Fri, Oct 2, 2026, 3:48 AM UTC.