Washington earthquakes

M1.5 earthquake Washington

A magnitude 1.5 earthquake struck in Washington on Thu, Jul 20, 1989, 10:32 AM PDT (17:32 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M2.7 4 km SE of Port Ludlow, Washington. This one was a foreshock.

Monroe 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1989-07-20 17:32:11 UTC
Depth
18.8 km (11.7 mi), shallow
Epicenter
47.853° N, 121.959° 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 0.8 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
84°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.71 km SE of Kapowsin, Washington · 13581 days ago · 13 km deep · 99 km away
  2. 1.613 km E of Skykomish, Washington · 13581 days ago · 4 km deep · 59 km away
  3. 2.05 km WNW of La Conner, Washington · 13579 days ago · 7 km deep · 76 km away
  4. 2.24 km WNW of La Conner, Washington · 13579 days ago · 7 km deep · 75 km away
  5. 1.92 km ESE of Grapeview, Washington · 13578 days ago · 17 km deep · 87 km away
  6. 2.18 km NE of Snoqualmie, Washington · 13577 days ago · 5 km deep · 34 km away
  7. 1.71 km SW of Issaquah, Washington · 13577 days ago · -1 km deep · 38 km away
  8. 1.85 km SSE of Swede Heaven, Washington · 13575 days ago · 8 km deep · 47 km away
  9. 2.56 km SSE of Swede Heaven, Washington · 13575 days ago · 3 km deep · 46 km away
  10. 1.913 km E of Wilkeson, Washington · 13569 days ago · 7 km deep · 84 km away
  11. 1.53 km NNW of La Conner, Washington · 13567 days ago · 23 km deep · 75 km away
  12. 1.94 km NNE of Snoqualmie, Washington · 13562 days ago · 9 km deep · 34 km away
  13. 1.62 km NNE of Big Lake, Washington · 13561 days ago · -1 km deep · 67 km away
  14. 1.814 km ENE of Enumclaw, Washington · 13560 days ago · 15 km deep · 69 km away
  15. 1.68 km N of Belfair, Washington · 13559 days ago · 15 km deep · 74 km away
  16. 1.64 km ESE of Newcastle, Washington · 13554 days ago · 9 km deep · 38 km away
  17. 2.019 km SSE of Glacier, Washington · 13548 days ago · 18 km deep · 100 km away
  18. 2.06 km SW of Bay View, Washington · 13545 days ago · 24 km deep · 79 km away
  19. 2.74 km SE of Port Ludlow, Washington · 13541 days ago · 17 km deep · 51 km away
  20. 1.90 km NE of Edgewood, Washington · 13536 days ago · 6 km deep · 71 km away
  21. 1.72 km NNE of Skykomish, Washington · 13535 days ago · 2 km deep · 48 km away
  22. 1.76 km NE of Hobart, Washington · 13535 days ago · 10 km deep · 44 km away
  23. 1.85 km ENE of Lake Marcel-Stillwater, Washington · 13533 days ago · -1 km deep · 17 km away
  24. 1.74 km SE of Seabeck, Washington · 13533 days ago · 22 km deep · 67 km away

Before

  1. 1.71 km E of Picnic Point, Washington · 13589 days ago · -1 km deep · 27 km away
  2. 1.62 km SSW of Echo Lake, Washington · 13594 days ago · 21 km deep · 12 km away
  3. 1.939 km NE of Skykomish, Washington · 13594 days ago · -1 km deep · 75 km away
  4. 2.05 km WSW of Lyman, Washington · 13605 days ago · 1 km deep · 73 km away
  5. 1.73 km SW of Swede Heaven, Washington · 13608 days ago · 2 km deep · 48 km away
  6. 1.63 km SSE of Ames Lake, Washington · 13608 days ago · 21 km deep · 28 km away
  7. 1.83 km SW of Swede Heaven, Washington · 13609 days ago · 4 km deep · 48 km away
  8. 2.02 km N of City of Sammamish, Washington · 13610 days ago · 15 km deep · 26 km away
  9. 1.919 km E of Darrington, Washington · 13610 days ago · 0 km deep · 62 km away
  10. 2.23 km WSW of Swede Heaven, Washington · 13611 days ago · 3 km deep · 49 km away
  11. 1.96 km SW of Clinton, Washington · 13611 days ago · 26 km deep · 35 km away
  12. 2.03 km SW of Swede Heaven, Washington · 13612 days ago · 2 km deep · 48 km away
  13. 2.16 km SW of Brinnon, Washington · 13616 days ago · 47 km deep · 79 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10247458. Read Thu, Oct 1, 2026, 3:26 AM UTC.