Washington earthquakes

M1.5 earthquake 24 km ENE of Ashford, Washington

A magnitude 1.5 earthquake struck 24 km ENE of Ashford, Washington on Mon, May 2, 1988, 10:51 PM PDT (05:51 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M3.1 2 km NE of Lake Marcel-Stillwater, 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
1.5 (md), micro
Local time
UTC
1988-05-03 05:51:43 UTC
Depth
-1.2 km (-0.8 mi), shallow
Epicenter
46.858° N, 121.743° 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 0.1 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
59°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.922 km S of Morton, Washington · 14027 days ago · 10 km deep · 68 km away
  2. 1.93 km W of Summitview, Washington · 14024 days ago · -1 km deep · 85 km away
  3. 1.818 km SSW of White Swan, Washington · 14022 days ago · -1 km deep · 99 km away
  4. 1.541 km SSE of Morton, Washington · 14021 days ago · 0 km deep · 71 km away
  5. 1.61 km W of Wauna, Washington · 14021 days ago · 24 km deep · 91 km away
  6. 2.48 km WNW of Tieton, Washington · 14018 days ago · 7 km deep · 69 km away
  7. 1.519 km SSE of Carbonado, Washington · 14017 days ago · 11 km deep · 17 km away
  8. 1.537 km NNE of Amboy, Washington · 14011 days ago · -2 km deep · 81 km away
  9. 1.733 km SE of Morton, Washington · 14009 days ago · -1 km deep · 63 km away
  10. 1.610 km SSE of Mossyrock, Washington · 14009 days ago · 17 km deep · 72 km away
  11. 2.52 km WSW of Artondale, Washington · 14003 days ago · 21 km deep · 84 km away
  12. 1.511 km S of Greenwater, Washington · 14003 days ago · 0 km deep · 23 km away
  13. 1.81 km WSW of Riverton, Washington · 14000 days ago · 25 km deep · 81 km away
  14. 1.52 km S of Issaquah, Washington · 13995 days ago · -1 km deep · 75 km away
  15. 1.63 km NNE of Union Hill-Novelty Hill, WA · 13991 days ago · 3 km deep · 97 km away
  16. 2.34 km E of Tampico, Washington · 13989 days ago · 0 km deep · 80 km away
  17. 1.812 km NE of Packwood, Washington · 13986 days ago · 1 km deep · 23 km away
  18. 1.92 km WNW of Maple Valley, Washington · 13985 days ago · 18 km deep · 66 km away
  19. 3.12 km NE of Lake Marcel-Stillwater, Washington · 13983 days ago · 7 km deep · 95 km away
  20. 1.712 km ESE of Ashford, Washington · 13981 days ago · 5 km deep · 17 km away
  21. 2.21 km SW of Lake Marcel-Stillwater, Washington · 13979 days ago · -1 km deep · 92 km away
  22. 1.51 km E of Clyde Hill, Washington · 13977 days ago · 24 km deep · 93 km away
  23. 1.812 km SW of Packwood, Washington · 13972 days ago · 5 km deep · 36 km away

Before

  1. 1.638 km NNE of Amboy, Washington · 14029 days ago · 3 km deep · 81 km away
  2. 1.738 km NNE of Amboy, Washington · 14032 days ago · 3 km deep · 80 km away
  3. 1.89 km S of Morton, Washington · 14036 days ago · 7 km deep · 60 km away
  4. 1.84 km NE of Tanner, Washington · 14036 days ago · 12 km deep · 71 km away
  5. 2.81 km W of Wauna, Washington · 14052 days ago · 22 km deep · 91 km away
  6. 1.516 km SW of Snoqualmie Pass, Washington · 14052 days ago · 10 km deep · 51 km away
  7. 1.55 km SW of Packwood, Washington · 14056 days ago · 8 km deep · 31 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10229213. Read Mon, Sep 28, 2026, 2:52 PM UTC.