Washington earthquakes

M2.5 earthquake 4 km NW of Bickleton, Washington

A magnitude 2.5 earthquake struck 4 km NW of Bickleton, Washington on Mon, Dec 17, 1990, 10:35 AM PST (18:35 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M3.4 9 km NW of Mattawa, Washington. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-12-17 18:35:18 UTC
Depth
-0.6 km (-0.3 mi), shallow
Epicenter
46.032° N, 120.337° W
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 0.2 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.11
Depth from
Operator assigned
Station coverage gap
54°
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: 6 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.29 km NW of Mattawa, Washington · 13069 days ago · 2 km deep · 89 km away
  2. 1.59 km NW of Mattawa, Washington · 13069 days ago · 2 km deep · 90 km away
  3. 3.49 km NW of Mattawa, Washington · 13068 days ago · 3 km deep · 89 km away
  4. 1.97 km NNE of Bickleton, Washington · 13047 days ago · 11 km deep · 7 km away
  5. 1.916 km NE of Naches, Washington · 13026 days ago · 6 km deep · 91 km away
  6. 3.414 km NE of Naches, Washington · 13026 days ago · 6 km deep · 89 km away

Before

  1. 1.99 km NW of Mattawa, Washington · 13074 days ago · 3 km deep · 90 km away
  2. 2.29 km NW of Mattawa, Washington · 13074 days ago · 3 km deep · 90 km away
  3. 3.19 km NW of Mattawa, Washington · 13075 days ago · 3 km deep · 90 km away
  4. 2.01 km SE of Cowiche, Washington · 13080 days ago · 15 km deep · 75 km away
  5. 1.814 km SW of Ellensburg, Washington · 13096 days ago · 6 km deep · 99 km away
  6. 1.827 km ESE of Desert Aire, Washington · 13100 days ago · 26 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10269898. Read Fri, Oct 2, 2026, 7:29 AM UTC.