Washington earthquakes

M1.5 earthquake 7 km SSW of Lyman, Washington

A magnitude 1.5 earthquake struck 7 km SSW of Lyman, Washington on Wed, Jun 1, 1988, 11:33 AM PDT (18:33 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M3.2 18 km E of Verlot, 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, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1988-06-01 18:33:13 UTC
Depth
-1.0 km (-0.6 mi), shallow
Epicenter
48.466° N, 122.088° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
136°
Stations used
5

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 5 in the 30 days before it.

After

  1. 1.63 km NNE of Union Hill-Novelty Hill, WA · 13994 days ago · 3 km deep · 85 km away
  2. 3.12 km NE of Lake Marcel-Stillwater, Washington · 13987 days ago · 7 km deep · 86 km away
  3. 1.53 km SE of Sedro-Woolley, Washington · 13983 days ago · 19 km deep · 9 km away
  4. 2.21 km SW of Lake Marcel-Stillwater, Washington · 13982 days ago · -1 km deep · 88 km away
  5. 1.51 km E of Clyde Hill, Washington · 13981 days ago · 24 km deep · 93 km away
  6. 2.24 km WSW of Darrington, Washington · 13972 days ago · 2 km deep · 41 km away
  7. 1.617 km ESE of Verlot, Washington · 13972 days ago · 2 km deep · 63 km away
  8. 2.34 km WSW of Darrington, Washington · 13972 days ago · 1 km deep · 40 km away
  9. 3.218 km E of Verlot, Washington · 13965 days ago · -1 km deep · 59 km away
  10. 3.15 km W of Lake Cavanaugh, Washington · 13958 days ago · 12 km deep · 16 km away
  11. 2.04 km NE of Duvall, Washington · 13958 days ago · 25 km deep · 78 km away
  12. 1.52 km NW of Woods Creek, Washington · 13955 days ago · 16 km deep · 65 km away
  13. 1.91 km WNW of Hansville, Washington · 13953 days ago · 13 km deep · 70 km away
  14. 2.31 km ESE of Edmonds, Washington · 13951 days ago · 22 km deep · 76 km away
  15. 1.95 km ENE of Lofall, Washington · 13945 days ago · 21 km deep · 81 km away
  16. 1.69 km NNE of Snoqualmie, Washington · 13943 days ago · 11 km deep · 99 km away

Before

  1. 2.29 km S of Sultan, Washington · 14004 days ago · 13 km deep · 79 km away
  2. 1.54 km SE of Everson, Washington · 14009 days ago · 5 km deep · 50 km away
  3. 1.52 km S of Abbotsford, Canada · 14010 days ago · 14 km deep · 64 km away
  4. 1.50 km WSW of Glacier, Washington · 14013 days ago · 2 km deep · 48 km away
  5. 2.08 km N of Hamilton, Washington · 14022 days ago · -1 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10231643. Read Fri, Oct 2, 2026, 3:36 AM UTC.