Oregon earthquakes

M1.6 earthquake 6 km SE of Molalla, Oregon

A magnitude 1.6 earthquake struck 6 km SE of Molalla, Oregon on Mon, Aug 20, 2001, 3:02 PM PDT (22:02 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.9 1 km E of Government Camp, Oregon. This one was a foreshock.

Molalla 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
1.6 (md), micro
Local time
UTC
2001-08-20 22:02:13 UTC
Depth
13.4 km (8.3 mi), shallow
Epicenter
45.108° N, 122.521° 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, 3.1 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
80°
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: 15 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.52 km E of Government Camp, Oregon · 9149 days ago · 0 km deep · 67 km away
  2. 2.02 km E of Government Camp, Oregon · 9149 days ago · 1 km deep · 66 km away
  3. 2.32 km E of Government Camp, Oregon · 9149 days ago · 3 km deep · 66 km away
  4. 1.81 km E of Government Camp, Oregon · 9148 days ago · 4 km deep · 66 km away
  5. 1.51 km ENE of Government Camp, Oregon · 9148 days ago · 2 km deep · 66 km away
  6. 2.12 km E of Government Camp, Oregon · 9147 days ago · 4 km deep · 66 km away
  7. 2.91 km E of Government Camp, Oregon · 9147 days ago · 4 km deep · 66 km away
  8. 2.52 km E of Government Camp, Oregon · 9146 days ago · 3 km deep · 66 km away
  9. 1.53 km E of Government Camp, Oregon · 9146 days ago · -1 km deep · 67 km away
  10. 1.92 km E of Government Camp, Oregon · 9145 days ago · 1 km deep · 66 km away
  11. 1.54 km NNE of Government Camp, Oregon · 9133 days ago · -1 km deep · 67 km away
  12. 2.322 km W of Yamhill, Oregon · 9128 days ago · 23 km deep · 79 km away
  13. 1.62 km S of Beaverton, Oregon · 9127 days ago · 24 km deep · 46 km away
  14. 1.52 km E of Hockinson, Washington · 9113 days ago · 10 km deep · 71 km away
  15. 2.012 km E of Mount Hood, Oregon · 9112 days ago · 3 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10541263. Read Wed, Sep 30, 2026, 3:28 PM UTC.