Oregon earthquakes

M1.5 earthquake 25 km WNW of Klamath Falls, Oregon

A magnitude 1.5 earthquake struck 25 km WNW of Klamath Falls, Oregon on Sat, Dec 31, 1994, 12:47 AM PST (08:47 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.1 17 km WNW of Klamath Falls, 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
1.5 (md), micro
Local time
UTC
1994-12-31 08:47:26 UTC
Depth
1.6 km (1.0 mi), shallow
Epicenter
42.332° N, 122.058° 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 0.4 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
122°
Stations used
5

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.014 km W of Klamath Falls, Oregon · 11587 days ago · 8 km deep · 12 km away
  2. 1.717 km WNW of Klamath Falls, Oregon · 11581 days ago · 7 km deep · 9 km away
  3. 2.117 km WNW of Klamath Falls, Oregon · 11580 days ago · 8 km deep · 9 km away
  4. 1.515 km W of Klamath Falls, Oregon · 11577 days ago · 8 km deep · 12 km away
  5. 1.725 km NW of Klamath Falls, Oregon · 11576 days ago · 7 km deep · 4 km away
  6. 2.113 km W of Klamath Falls, Oregon · 11573 days ago · 6 km deep · 14 km away
  7. 1.517 km WNW of Klamath Falls, Oregon · 11568 days ago · 9 km deep · 8 km away
  8. 1.924 km WNW of Klamath Falls, Oregon · 11553 days ago · 5 km deep · 3 km away

Before

  1. 2.434 km ENE of Prospect, Oregon · 11596 days ago · 0 km deep · 62 km away
  2. 2.635 km ENE of Prospect, Oregon · 11596 days ago · -1 km deep · 64 km away
  3. 2.333 km ENE of Prospect, Oregon · 11596 days ago · 0 km deep · 62 km away
  4. 1.726 km WNW of Klamath Falls, Oregon · 11597 days ago · 6 km deep · 2 km away
  5. 1.83 km NNE of Macdoel, California · 11605 days ago · 7 km deep · 54 km away
  6. 1.520 km WNW of Klamath Falls, Oregon · 11615 days ago · 2 km deep · 6 km away
  7. 1.720 km WNW of Klamath Falls, Oregon · 11615 days ago · 2 km deep · 6 km away
  8. 1.620 km WNW of Klamath Falls, Oregon · 11615 days ago · 3 km deep · 6 km away
  9. 1.516 km WNW of Klamath Falls, Oregon · 11620 days ago · 9 km deep · 10 km away
  10. 1.816 km WNW of Klamath Falls, Oregon · 11621 days ago · 9 km deep · 10 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10362003. Read Sun, Sep 27, 2026, 3:56 PM UTC.