Washington earthquakes

M2.0 earthquake 5 km NNE of Startup, Washington

A magnitude 2.0 earthquake struck 5 km NNE of Startup, Washington on Fri, May 2, 1975, 2:24 PM PDT (21:24 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M2.3 Puget Sound region, Washington. This one was a foreshock.

Startup 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
1975-05-02 21:24:17 UTC
Depth
25.7 km (16.0 mi), shallow
Epicenter
47.914° N, 121.715° 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 3.3 km horizontally, 4.8 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
205°, 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: 20 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 1.71 km NNE of Snoqualmie, Washington · 18752 days ago · 8 km deep · 42 km away
  2. 1.95 km SW of Lyman, Washington · 18751 days ago · 8 km deep · 71 km away
  3. 1.55 km S of Fall City, Washington · 18748 days ago · 18 km deep · 46 km away
  4. 1.75 km SSE of Keyport, Washington · 18745 days ago · 18 km deep · 72 km away
  5. 1.92 km N of White Center, Washington · 18737 days ago · 22 km deep · 63 km away
  6. 1.71 km ENE of Quilcene, Washington · 18736 days ago · 48 km deep · 86 km away
  7. 1.74 km WSW of Woodway, Washington · 18734 days ago · 12 km deep · 56 km away
  8. 1.51 km SW of Lynnwood, Washington · 18732 days ago · 5 km deep · 47 km away
  9. 1.72 km W of Suquamish, Washington · 18729 days ago · 3 km deep · 68 km away
  10. 1.51 km SSW of Burlington, Washington · 18726 days ago · 22 km deep · 77 km away
  11. 1.61 km S of Wilburton, Washington · 18720 days ago · 17 km deep · 50 km away
  12. 1.62 km ESE of Lake Cavanaugh, Washington · 18720 days ago · 9 km deep · 49 km away
  13. 1.94 km ENE of Hobart, Washington · 18716 days ago · 15 km deep · 55 km away
  14. 1.90 km E of Gorst, Washington · 18713 days ago · 18 km deep · 85 km away
  15. 2.3Puget Sound region, Washington · 18712 days ago · 18 km deep · 66 km away
  16. 2.02 km ESE of Duvall, Washington · 18712 days ago · 16 km deep · 27 km away
  17. 2.52 km W of North Bend, Washington · 18712 days ago · 16 km deep · 47 km away
  18. 2.10 km NE of Navy Yard City, Washington · 18711 days ago · 22 km deep · 81 km away
  19. 1.92 km S of Lake Marcel-Stillwater, Washington · 18711 days ago · 18 km deep · 31 km away
  20. 2.0Puget Sound region, Washington · 18711 days ago · 11 km deep · 84 km away

Before

  1. 4.010 km SSW of Seabeck, Washington · 18787 days ago · 40 km deep · 97 km away
  2. 2.817 km ESE of Carbonado, Washington · 18793 days ago · -1 km deep · 96 km away
  3. 3.711 km SW of Greenwater, Washington · 18793 days ago · 6 km deep · 93 km away
  4. 2.72 km WSW of Hamilton, Washington · 18795 days ago · -1 km deep · 70 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10860778. Read Tue, Sep 22, 2026, 4:55 PM UTC.