Washington earthquakes

M2.7 earthquake Washington

A magnitude 2.7 earthquake struck in Washington on Tue, Mar 20, 1990, 7:44 PM PST (03:44 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.8 13 km NNW of Hartline, 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
2.7 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-03-21 03:44:39 UTC
Depth
-0.4 km (-0.3 mi), shallow
Epicenter
47.813° N, 119.423° 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 0.8 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
139°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 1.812 km SW of Entiat, Washington · 13341 days ago · 5 km deep · 73 km away
  2. 2.28 km NNE of Cashmere, Washington · 13340 days ago · 7 km deep · 78 km away
  3. 1.812 km NW of Malott, Washington · 13337 days ago · 7 km deep · 68 km away
  4. 2.813 km NNW of Hartline, Washington · 13333 days ago · 7 km deep · 20 km away
  5. 1.79 km WNW of Entiat, Washington · 13329 days ago · 0 km deep · 68 km away
  6. 1.84 km NE of Entiat, Washington · 13321 days ago · -1 km deep · 56 km away
  7. 1.88 km WSW of Chelan, Washington · 13320 days ago · 4 km deep · 52 km away
  8. 2.69 km NNW of Entiat, Washington · 13317 days ago · 0 km deep · 64 km away
  9. 2.014 km S of Loomis, Washington · 13312 days ago · 0 km deep · 99 km away
  10. 1.69 km NNE of Entiat, Washington · 13311 days ago · 0 km deep · 57 km away
  11. 2.613 km W of Mansfield, Washington · 13310 days ago · -1 km deep · 29 km away
  12. 1.86 km W of Entiat, Washington · 13308 days ago · -1 km deep · 67 km away
  13. 2.26 km ESE of Mansfield, Washington · 13298 days ago · 0 km deep · 10 km away
  14. 1.86 km ESE of Mansfield, Washington · 13298 days ago · 0 km deep · 11 km away
  15. 1.83 km NNW of Waterville, Washington · 13295 days ago · 7 km deep · 52 km away
  16. 1.61 km SE of Entiat, Washington · 13288 days ago · 4 km deep · 60 km away

Before

  1. 2.38 km WNW of Entiat, Washington · 13353 days ago · -1 km deep · 68 km away
  2. 2.312 km WSW of Tonasket, Washington · 13353 days ago · 9 km deep · 94 km away
  3. 2.15 km WNW of Disautel, Washington · 13361 days ago · -1 km deep · 63 km away
  4. 2.09 km ESE of Mansfield, Washington · 13369 days ago · 2 km deep · 8 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10256848. Read Thu, Oct 1, 2026, 10:07 PM UTC.