Washington earthquakes

M2.0 earthquake 10 km NW of Concrete, Washington

A magnitude 2.0 earthquake struck 10 km NW of Concrete, Washington on Wed, Jun 15, 1983, 8:46 PM PDT (03:46 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.1 5 km S of Lake Roesiger, Washington. This one was a foreshock.

Concrete 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
2.0 (md), micro
Local time
UTC
1983-06-16 03:46:08 UTC
Depth
-0.5 km (-0.3 mi), shallow
Epicenter
48.617° N, 121.824° 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 4.5 km horizontally, 8.1 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
194°, poorly surrounded by stations
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.15 km S of Lake Roesiger, Washington · 15800 days ago · 15 km deep · 77 km away
  2. 2.113 km S of Chilliwack, Canada · 15795 days ago · -1 km deep · 48 km away
  3. 1.57 km ENE of Verlot, Washington · 15793 days ago · 8 km deep · 57 km away
  4. 1.51 km E of Roosevelt, Washington · 15792 days ago · 18 km deep · 82 km away
  5. 2.127 km ESE of Glacier, Washington · 15789 days ago · -1 km deep · 27 km away
  6. 1.51 km ESE of Martha Lake, Washington · 15789 days ago · 20 km deep · 91 km away
  7. 1.89 km S of Anacortes, Washington · 15786 days ago · 21 km deep · 63 km away
  8. 2.13 km WNW of Orcas, Washington · 15783 days ago · 10 km deep · 85 km away
  9. 1.95 km ENE of Verlot, Washington · 15783 days ago · 13 km deep · 57 km away
  10. 1.78 km N of Sedro-Woolley, Washington · 15783 days ago · 12 km deep · 29 km away
  11. 1.82 km ESE of Maltby, Washington · 15778 days ago · 22 km deep · 93 km away
  12. 2.54 km NNW of Verlot, Washington · 15777 days ago · 14 km deep · 55 km away
  13. 1.87 km SSE of Verlot, Washington · 15772 days ago · -1 km deep · 65 km away
  14. 2.217 km NNE of May Creek, Washington · 15769 days ago · 0 km deep · 71 km away
  15. 2.110 km ENE of Lake Marcel-Stillwater, Washington · 15766 days ago · 17 km deep · 99 km away
  16. 1.64 km S of Monroe, Washington · 15761 days ago · -1 km deep · 89 km away
  17. 1.55 km SSE of Swede Heaven, Washington · 15758 days ago · 9 km deep · 43 km away
  18. 1.76 km WNW of La Conner, Washington · 15755 days ago · 22 km deep · 60 km away
  19. 1.75 km WSW of Coupeville, Washington · 15755 days ago · 20 km deep · 83 km away
  20. 1.54 km W of Coupeville, Washington · 15753 days ago · 17 km deep · 82 km away

Before

  1. 1.65 km E of Ault Field, Washington · 15805 days ago · 23 km deep · 65 km away
  2. 1.512 km NE of Index, Washington · 15806 days ago · 1 km deep · 85 km away
  3. 1.87 km NW of Orcas, Washington · 15808 days ago · 15 km deep · 88 km away
  4. 1.54 km E of Baring, Washington · 15810 days ago · 0 km deep · 99 km away
  5. 1.64 km N of Bryant, Washington · 15811 days ago · 16 km deep · 45 km away
  6. 1.53 km SW of Baring, Washington · 15814 days ago · 12 km deep · 98 km away
  7. 2.03 km NE of Lake Roesiger, Washington · 15814 days ago · 14 km deep · 68 km away
  8. 2.14 km NE of Lake Roesiger, Washington · 15815 days ago · 14 km deep · 68 km away
  9. 1.911 km NW of Coupeville, Washington · 15819 days ago · 21 km deep · 82 km away
  10. 2.320 km SSE of Marblemount, Washington · 15826 days ago · 0 km deep · 47 km away
  11. 3.08 km SW of Index, Washington · 15826 days ago · 10 km deep · 95 km away
  12. 1.51 km W of Machias, Washington · 15831 days ago · 2 km deep · 73 km away
  13. 2.111 km NW of Orcas, Washington · 15832 days ago · 57 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10160963. Read Tue, Sep 22, 2026, 11:36 AM UTC.