Oregon earthquakes

M1.7 earthquake 26 km WNW of Klamath Falls, Oregon

A magnitude 1.7 earthquake struck 26 km WNW of Klamath Falls, Oregon on Tue, Dec 27, 1994, 1:38 PM PST (21:38 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.6 35 km ENE of Prospect, Oregon. This one was a foreshock.

Klamath Falls 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
1.7 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1994-12-27 21:38:46 UTC
Depth
5.7 km (3.6 mi), shallow
Epicenter
42.347° N, 122.057° 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 0.8 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
191°, poorly surrounded by stations
Stations used
4

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 6 in the 30 days before it.

After

  1. 2.333 km ENE of Prospect, Oregon · 11601 days ago · 0 km deep · 60 km away
  2. 2.635 km ENE of Prospect, Oregon · 11601 days ago · -1 km deep · 62 km away
  3. 2.434 km ENE of Prospect, Oregon · 11601 days ago · 0 km deep · 61 km away
  4. 1.525 km WNW of Klamath Falls, Oregon · 11598 days ago · 2 km deep · 2 km away
  5. 2.014 km W of Klamath Falls, Oregon · 11591 days ago · 8 km deep · 14 km away
  6. 1.717 km WNW of Klamath Falls, Oregon · 11586 days ago · 7 km deep · 10 km away
  7. 2.117 km WNW of Klamath Falls, Oregon · 11585 days ago · 8 km deep · 10 km away
  8. 1.515 km W of Klamath Falls, Oregon · 11582 days ago · 8 km deep · 13 km away
  9. 1.725 km NW of Klamath Falls, Oregon · 11581 days ago · 7 km deep · 3 km away
  10. 2.113 km W of Klamath Falls, Oregon · 11578 days ago · 6 km deep · 15 km away
  11. 1.517 km WNW of Klamath Falls, Oregon · 11573 days ago · 9 km deep · 10 km away
  12. 1.924 km WNW of Klamath Falls, Oregon · 11558 days ago · 5 km deep · 4 km away

Before

  1. 1.83 km NNE of Macdoel, California · 11610 days ago · 7 km deep · 55 km away
  2. 1.520 km WNW of Klamath Falls, Oregon · 11620 days ago · 2 km deep · 8 km away
  3. 1.720 km WNW of Klamath Falls, Oregon · 11620 days ago · 2 km deep · 8 km away
  4. 1.620 km WNW of Klamath Falls, Oregon · 11620 days ago · 3 km deep · 7 km away
  5. 1.516 km WNW of Klamath Falls, Oregon · 11624 days ago · 9 km deep · 12 km away
  6. 1.816 km WNW of Klamath Falls, Oregon · 11626 days ago · 9 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10361338. Read Fri, Oct 2, 2026, 2:17 PM UTC.