Washington earthquakes

M2.8 earthquake 0 km W of Maple Valley, Washington

A magnitude 2.8 earthquake struck 0 km W of Maple Valley, Washington on Fri, Apr 21, 1989, 2:40 AM PDT (09:40 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M4.4 4 km NE of Allyn, 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
2.8 (md), micro
Local time
UTC
1989-04-21 09:40:43 UTC
Depth
4.2 km (2.6 mi), shallow
Epicenter
47.392° N, 122.056° 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 0.7 km horizontally, 2.2 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
34°
Stations used
53

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 1.71 km W of Edmonds, Washington · 13674 days ago · 22 km deep · 53 km away
  2. 1.74 km WSW of North Bend, Washington · 13671 days ago · 17 km deep · 18 km away
  3. 1.9Puget Sound region, Washington · 13668 days ago · 8 km deep · 12 km away
  4. 1.62 km E of Yarrow Point, Washington · 13667 days ago · -1 km deep · 30 km away
  5. 1.53 km E of Yarrow Point, Washington · 13667 days ago · 0 km deep · 30 km away
  6. 1.81 km E of Edmonds, Washington · 13653 days ago · 9 km deep · 52 km away
  7. 1.64 km NNE of Belfair, Washington · 13646 days ago · 21 km deep · 57 km away
  8. 2.83 km W of Wauna, Washington · 13643 days ago · 20 km deep · 48 km away
  9. 1.54 km W of Wauna, Washington · 13643 days ago · 22 km deep · 48 km away
  10. 2.54 km W of Wauna, Washington · 13643 days ago · 23 km deep · 48 km away
  11. 1.63 km WSW of Wauna, Washington · 13641 days ago · 19 km deep · 47 km away
  12. 2.64 km SE of Lake Roesiger, Washington · 13636 days ago · 17 km deep · 63 km away
  13. 1.85 km WSW of Des Moines, Washington · 13629 days ago · 14 km deep · 25 km away
  14. 2.13 km NNW of Packwood, Washington · 13627 days ago · 0 km deep · 89 km away
  15. 1.62 km SW of Issaquah, Washington · 13624 days ago · -1 km deep · 14 km away
  16. 1.51 km N of Browns Point, Washington · 13620 days ago · 15 km deep · 30 km away
  17. 1.85 km SE of Swede Heaven, Washington · 13618 days ago · 2 km deep · 99 km away
  18. 4.44 km NE of Allyn, Washington · 13618 days ago · 44 km deep · 54 km away
  19. 2.714 km NNE of Ashford, Washington · 13617 days ago · 8 km deep · 56 km away

Before

  1. 2.3Puget Sound region, Washington · 13679 days ago · 27 km deep · 42 km away
  2. 1.76 km SW of Seattle, Washington · 13680 days ago · 12 km deep · 33 km away
  3. 2.52 km WNW of Indianola, Washington · 13680 days ago · 21 km deep · 55 km away
  4. 1.51 km NE of Yarrow Point, Washington · 13683 days ago · -1 km deep · 31 km away
  5. 1.613 km NNE of Ashford, Washington · 13684 days ago · 10 km deep · 59 km away
  6. 1.79 km SE of Kapowsin, Washington · 13684 days ago · 4 km deep · 52 km away
  7. 2.88 km SW of Grapeview, Washington · 13686 days ago · 46 km deep · 65 km away
  8. 1.74 km E of Bainbridge Island, Washington · 13688 days ago · 15 km deep · 40 km away
  9. 1.93 km E of McKenna, Washington · 13689 days ago · 22 km deep · 61 km away
  10. 1.76 km WNW of Packwood, Washington · 13691 days ago · 10 km deep · 88 km away
  11. 1.55 km WSW of Darrington, Washington · 13692 days ago · 9 km deep · 99 km away
  12. 1.98 km ENE of Fall City, Washington · 13692 days ago · 8 km deep · 31 km away
  13. 2.23 km SSE of Ames Lake, Washington · 13692 days ago · 8 km deep · 24 km away
  14. 1.5Washington · 13695 days ago · 22 km deep · 61 km away
  15. 1.73 km E of Bainbridge Island, Washington · 13699 days ago · 15 km deep · 41 km away
  16. 1.84 km E of Bainbridge Island, Washington · 13699 days ago · 16 km deep · 41 km away
  17. 1.514 km NE of Ashford, Washington · 13704 days ago · 8 km deep · 61 km away
  18. 2.514 km NE of Ashford, Washington · 13704 days ago · 11 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10243143 (also filed as usp0003u6r). Read Wed, Sep 30, 2026, 6:00 PM UTC.