Washington earthquakes

M1.9 earthquake 3 km W of Summitview, Washington

A magnitude 1.9 earthquake struck 3 km W of Summitview, Washington on Fri, May 6, 1988, 12:17 PM PDT (19:17 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M2.4 8 km WNW of Tieton, 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
1.9 (md), micro
Local time
UTC
1988-05-06 19:17:13 UTC
Depth
-0.7 km (-0.4 mi), shallow
Epicenter
46.594° N, 120.691° 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, 0.2 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
203°, poorly surrounded by stations
Stations used
6

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 3 in the 30 days before it.

After

  1. 1.818 km SSW of White Swan, Washington · 14017 days ago · -1 km deep · 41 km away
  2. 2.48 km WNW of Tieton, Washington · 14013 days ago · 7 km deep · 20 km away
  3. 1.618 km S of Prosser, Washington · 14013 days ago · 8 km deep · 95 km away
  4. 2.218 km SE of Royal City, Washington · 14011 days ago · 0 km deep · 99 km away
  5. 1.518 km SE of Royal City, Washington · 14001 days ago · 0 km deep · 99 km away
  6. 1.511 km S of Greenwater, Washington · 13997 days ago · 0 km deep · 89 km away
  7. 3.518 km ESE of Royal City, Washington · 13997 days ago · 0 km deep · 99 km away
  8. 2.918 km ESE of Royal City, Washington · 13994 days ago · 0 km deep · 99 km away
  9. 2.218 km SE of Royal City, Washington · 13994 days ago · 0 km deep · 99 km away
  10. 1.718 km ESE of Royal City, Washington · 13994 days ago · 0 km deep · 99 km away
  11. 2.418 km ESE of Royal City, Washington · 13993 days ago · 0 km deep · 99 km away
  12. 1.720 km WSW of Othello, Washington · 13992 days ago · 0 km deep · 99 km away
  13. 2.34 km E of Tampico, Washington · 13983 days ago · 0 km deep · 12 km away
  14. 1.812 km NE of Packwood, Washington · 13980 days ago · 1 km deep · 68 km away
  15. 1.712 km ESE of Ashford, Washington · 13975 days ago · 5 km deep · 92 km away
  16. 1.812 km SW of Packwood, Washington · 13967 days ago · 5 km deep · 85 km away

Before

  1. 1.524 km ENE of Ashford, Washington · 14022 days ago · -1 km deep · 85 km away
  2. 1.916 km SSE of Royal City, Washington · 14026 days ago · 20 km deep · 91 km away
  3. 2.67 km WSW of George, Washington · 14047 days ago · 0 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10230063. Read Wed, Sep 23, 2026, 4:01 AM UTC.