Washington earthquakes

M2.7 earthquake 10 km NNW of Mansfield, Washington

A magnitude 2.7 earthquake struck 10 km NNW of Mansfield, Washington on Fri, Jan 19, 1979, 7:53 AM PST (15:53 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.0 Washington. This one was a foreshock.

Bridgeport forecastMore in Washington

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), micro
Local time
UTC
1979-01-19 15:53:45 UTC
Depth
5.3 km (3.3 mi), shallow
Epicenter
47.900° N, 119.688° 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 0.6 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
105°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 1.710 km NNW of Mansfield, Washington · 17418 days ago · 4 km deep · 1 km away
  2. 2.110 km S of Bridgeport, Washington · 17418 days ago · 6 km deep · 1 km away
  3. 1.810 km NNW of Mansfield, Washington · 17418 days ago · 3 km deep · 1 km away
  4. 2.1Washington · 17417 days ago · 5 km deep · 1 km away
  5. 3.0Washington · 17416 days ago · 4 km deep · 0 km away
  6. 3.04 km WNW of Waterville, Washington · 17407 days ago · 6 km deep · 42 km away
  7. 2.810 km NNW of Mansfield, Washington · 17401 days ago · 5 km deep · 0 km away
  8. 1.81 km SW of Entiat, Washington · 17392 days ago · 0 km deep · 48 km away
  9. 1.846 km WNW of Granite Falls, Washington · 17389 days ago · 0 km deep · 82 km away
  10. 1.912 km SSW of Marlin, Washington · 17378 days ago · 1 km deep · 83 km away
  11. 1.67 km WSW of Entiat, Washington · 17365 days ago · 2 km deep · 53 km away
  12. 1.815 km W of Entiat, Washington · 17362 days ago · -1 km deep · 60 km away
  13. 1.610 km NNW of Mansfield, Washington · 17362 days ago · 4 km deep · 1 km away

Before

  1. 3.910 km NNW of Mansfield, Washington · 17418 days ago · 6 km deep · 0 km away
  2. 1.713 km WSW of Conconully, Washington · 17433 days ago · 0 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10848748. Read Mon, Sep 28, 2026, 12:10 AM UTC.