Washington earthquakes

M1.5 earthquake 1 km SSE of Issaquah, Washington

A magnitude 1.5 earthquake struck 1 km SSE of Issaquah, Washington on Thu, Jul 2, 1981, 12:08 AM PDT (07:08 UTC), 17 km (10 mi) below the surface.

A larger quake followed: M2.8 5 km WNW of Lofall, Washington. This one was a foreshock.

Issaquah 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), micro
Local time
UTC
1981-07-02 07:08:33 UTC
Depth
16.7 km (10.4 mi), shallow
Epicenter
47.516° N, 122.023° 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, 0.9 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
126°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 1.53 km ENE of Union Hill-Novelty Hill, Washington · 16519 days ago · -1 km deep · 20 km away
  2. 2.85 km WNW of Lofall, Washington · 16516 days ago · 52 km deep · 63 km away
  3. 1.73 km W of Erlands Point-Kitsap Lake, Washington · 16514 days ago · 13 km deep · 55 km away
  4. 1.87 km E of Carnation, Washington · 16514 days ago · 12 km deep · 22 km away
  5. 1.95 km NW of Wauna, Washington · 16511 days ago · 23 km deep · 52 km away
  6. 2.04 km W of Darrington, Washington · 16504 days ago · 2 km deep · 86 km away
  7. 1.83 km NNE of Crocker, Washington · 16495 days ago · 2 km deep · 46 km away
  8. 1.623 km ENE of Ashford, Washington · 16494 days ago · -1 km deep · 76 km away
  9. 1.68 km ESE of McKenna, Washington · 16492 days ago · 20 km deep · 74 km away
  10. 1.93 km W of Fobes Hill, Washington · 16491 days ago · 14 km deep · 50 km away
  11. 1.516 km NNE of Ashford, Washington · 16488 days ago · 8 km deep · 70 km away
  12. 1.913 km WSW of Brinnon, Washington · 16486 days ago · 43 km deep · 79 km away
  13. 1.70 km NNE of Duvall, Washington · 16485 days ago · -1 km deep · 26 km away
  14. 2.44 km NNE of Tracyton, Washington · 16482 days ago · 22 km deep · 47 km away
  15. 1.923 km ENE of Ashford, Washington · 16477 days ago · 0 km deep · 74 km away
  16. 1.923 km ENE of Ashford, Washington · 16477 days ago · -1 km deep · 76 km away
  17. 2.04 km SSW of Orting, Washington · 16472 days ago · 0 km deep · 53 km away
  18. 1.525 km ENE of Ashford, Washington · 16465 days ago · 0 km deep · 77 km away
  19. 2.12 km WNW of Home, Washington · 16463 days ago · 22 km deep · 63 km away
  20. 1.914 km NE of Snoqualmie, Washington · 16461 days ago · 4 km deep · 29 km away
  21. 1.524 km ENE of Ashford, Washington · 16459 days ago · -1 km deep · 76 km away

Before

  1. 1.73 km ENE of Union Hill-Novelty Hill, Washington · 16520 days ago · 1 km deep · 20 km away
  2. 1.55 km W of Darrington, Washington · 16521 days ago · 11 km deep · 85 km away
  3. 1.70 km W of Normandy Park, Washington · 16525 days ago · 17 km deep · 26 km away
  4. 1.55 km NE of Port Townsend, Washington · 16525 days ago · 26 km deep · 86 km away
  5. 1.70 km W of Normandy Park, Washington · 16527 days ago · 17 km deep · 26 km away
  6. 1.70 km W of Normandy Park, Washington · 16527 days ago · 17 km deep · 26 km away
  7. 1.60 km NW of Normandy Park, Washington · 16527 days ago · 18 km deep · 26 km away
  8. 1.62 km ENE of Union Hill-Novelty Hill, Washington · 16532 days ago · -1 km deep · 19 km away
  9. 1.62 km ENE of Union Hill-Novelty Hill, Washington · 16532 days ago · -1 km deep · 19 km away
  10. 1.63 km ENE of Union Hill-Novelty Hill, Washington · 16532 days ago · -1 km deep · 20 km away
  11. 1.622 km ENE of Ashford, Washington · 16533 days ago · 1 km deep · 77 km away
  12. 1.54 km WSW of Darrington, Washington · 16534 days ago · 9 km deep · 85 km away
  13. 1.516 km SSE of Darrington, Washington · 16535 days ago · 9 km deep · 79 km away
  14. 1.721 km ENE of Ashford, Washington · 16540 days ago · 3 km deep · 77 km away
  15. 2.37 km ENE of Quilcene, Washington · 16541 days ago · 52 km deep · 67 km away
  16. 2.412 km ESE of Riverbend, Washington · 16545 days ago · 13 km deep · 34 km away
  17. 1.6Washington · 16546 days ago · -1 km deep · 88 km away
  18. 1.9Washington · 16548 days ago · -1 km deep · 20 km away
  19. 1.53 km ENE of Union Hill-Novelty Hill, Washington · 16548 days ago · -1 km deep · 20 km away
  20. 2.56 km NNW of Bangor Trident Base, Washington · 16548 days ago · 21 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10111708. Read Wed, Sep 23, 2026, 4:09 AM UTC.