Washington earthquakes

M2.0 earthquake 11 km ESE of Mansfield, Washington

A magnitude 2.0 earthquake struck 11 km ESE of Mansfield, Washington on Sat, Feb 23, 1985, 4:30 AM PST (12:30 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.7 3 km NNE of Waterville, 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
2.0 (md), micro
Local time
UTC
1985-02-23 12:30:12 UTC
Depth
-0.1 km (-0.1 mi), shallow
Epicenter
47.758° N, 119.510° 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 2.0 km horizontally
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
209°, poorly surrounded by stations
Stations used
7

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 11 in the 30 days before it.

After

  1. 1.93 km ESE of Entiat, Washington · 15179 days ago · 0 km deep · 50 km away
  2. 1.915 km NNW of Vantage, Washington · 15171 days ago · -1 km deep · 89 km away
  3. 1.812 km W of Entiat, Washington · 15158 days ago · 2 km deep · 66 km away
  4. 1.513 km ENE of Mansfield, Washington · 15148 days ago · 0 km deep · 12 km away
  5. 1.57 km NNW of Entiat, Washington · 15144 days ago · 3 km deep · 54 km away
  6. 2.73 km NNE of Waterville, Washington · 15143 days ago · 0 km deep · 42 km away

Before

  1. 1.715 km S of Ephrata, Washington · 15198 days ago · 10 km deep · 64 km away
  2. 2.24 km WNW of Waterville, Washington · 15203 days ago · -1 km deep · 47 km away
  3. 2.613 km ESE of Mansfield, Washington · 15205 days ago · 0 km deep · 5 km away
  4. 2.13 km E of Entiat, Washington · 15209 days ago · 0 km deep · 50 km away
  5. 1.67 km WNW of Quincy, Washington · 15210 days ago · 0 km deep · 63 km away
  6. 2.315 km NW of Vantage, Washington · 15211 days ago · 9 km deep · 89 km away
  7. 2.314 km NNW of Vantage, Washington · 15212 days ago · 0 km deep · 89 km away
  8. 1.99 km NW of Vantage, Washington · 15214 days ago · 0 km deep · 94 km away
  9. 3.314 km NNW of Vantage, Washington · 15214 days ago · 0 km deep · 89 km away
  10. 1.817 km S of Ephrata, Washington · 15215 days ago · 0 km deep · 66 km away
  11. 1.64 km ESE of Entiat, Washington · 15218 days ago · 5 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10187698. Read Sun, Sep 27, 2026, 8:15 AM UTC.