Washington earthquakes

M1.5 earthquake 2 km SW of Chico, Washington

A magnitude 1.5 earthquake struck 2 km SW of Chico, Washington on Sat, Mar 17, 1984, 9:37 AM PST (17:37 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M1.9 1 km ESE of Clyde Hill, Washington. This one was a foreshock.

Chico 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
1984-03-17 17:37:22 UTC
Depth
11.7 km (7.2 mi), shallow
Epicenter
47.598° N, 122.737° 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 1.2 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
119°
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: 42 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 1.511 km ESE of Tanner, Washington · 15528 days ago · 12 km deep · 87 km away
  2. 1.91 km ESE of Clyde Hill, Washington · 15527 days ago · 23 km deep · 40 km away
  3. 2.01 km W of Wilkeson, Washington · 15526 days ago · 5 km deep · 75 km away
  4. 1.722 km W of Brinnon, Washington · 15525 days ago · 45 km deep · 35 km away
  5. 1.51 km E of Clyde Hill, Washington · 15524 days ago · 24 km deep · 41 km away
  6. 1.93 km W of Blyn, Washington · 15524 days ago · -1 km deep · 52 km away
  7. 2.91 km WNW of Keyport, Washington · 15523 days ago · 18 km deep · 14 km away
  8. 1.67 km ESE of Oso, Washington · 15522 days ago · -1 km deep · 99 km away
  9. 1.94 km S of Union, Washington · 15518 days ago · 42 km deep · 41 km away
  10. 1.82 km NW of Fall City, Washington · 15517 days ago · 2 km deep · 62 km away
  11. 2.24 km WNW of Fall City, Washington · 15517 days ago · 1 km deep · 60 km away
  12. 1.85 km W of Burley, Washington · 15517 days ago · 23 km deep · 20 km away
  13. 2.34 km WSW of Coupeville, Washington · 15515 days ago · 24 km deep · 67 km away
  14. 1.93 km WNW of Wauna, Washington · 15511 days ago · 22 km deep · 24 km away
  15. 2.15 km SE of Monroe, Washington · 15508 days ago · 24 km deep · 65 km away
  16. 1.54 km WSW of Erlands Point-Kitsap Lake, Washington · 15508 days ago · 11 km deep · 2 km away
  17. 3.312 km WSW of La Grande, Washington · 15507 days ago · 66 km deep · 91 km away
  18. 2.016 km SE of Carbonado, Washington · 15507 days ago · 7 km deep · 93 km away
  19. 1.85 km SSE of Carbonado, Washington · 15506 days ago · 4 km deep · 83 km away
  20. 1.72 km SW of Issaquah, Washington · 15504 days ago · 17 km deep · 52 km away
  21. 2.14 km WNW of Fall City, Washington · 15503 days ago · 1 km deep · 60 km away
  22. 1.93 km NW of Fall City, Washington · 15503 days ago · 1 km deep · 62 km away
  23. 2.014 km E of Tanner, Washington · 15500 days ago · 15 km deep · 90 km away
  24. 1.82 km E of Grapeview, Washington · 15499 days ago · 12 km deep · 30 km away
  25. 1.60 km E of Medina, Washington · 15499 days ago · 24 km deep · 39 km away
  26. 1.57 km NE of Verlot, Washington · 15499 days ago · -1 km deep · 97 km away
  27. 1.72 km SSW of Everett, Washington · 15496 days ago · 26 km deep · 56 km away
  28. 2.92 km S of Ames Lake, Washington · 15488 days ago · 9 km deep · 58 km away
  29. 1.615 km E of Wilkeson, Washington · 15488 days ago · 6 km deep · 87 km away
  30. 1.711 km SSW of Seabeck, Washington · 15486 days ago · 7 km deep · 13 km away
  31. 2.37 km WNW of Gorst, Washington · 15484 days ago · 15 km deep · 6 km away
  32. 2.13 km NW of Fall City, Washington · 15483 days ago · 2 km deep · 61 km away
  33. 1.86 km NE of Tanner, Washington · 15483 days ago · 13 km deep · 79 km away
  34. 1.72 km NNW of Fall City, Washington · 15483 days ago · 4 km deep · 62 km away
  35. 1.94 km SSW of River Road, Washington · 15483 days ago · -1 km deep · 57 km away
  36. 2.15 km SSW of Fall City, Washington · 15482 days ago · 20 km deep · 63 km away
  37. 1.514 km ENE of Lake Marcel-Stillwater, Washington · 15481 days ago · 27 km deep · 76 km away
  38. 1.74 km E of Granite Falls, Washington · 15480 days ago · -1 km deep · 83 km away
  39. 2.19 km NNW of Carlsborg, Washington · 15478 days ago · 40 km deep · 74 km away
  40. 1.78 km SE of Buckley, Washington · 15475 days ago · 1 km deep · 81 km away
  41. 1.9Puget Sound region, Washington · 15473 days ago · 16 km deep · 24 km away
  42. 2.14 km E of Machias, Washington · 15470 days ago · 7 km deep · 70 km away

Before

  1. 1.94 km ENE of Lake McMurray, Washington · 15532 days ago · 4 km deep · 92 km away
  2. 1.68 km E of Wilkeson, Washington · 15532 days ago · 9 km deep · 81 km away
  3. 2.71 km SW of Mountlake Terrace, Washington · 15532 days ago · 22 km deep · 37 km away
  4. 1.713 km SE of Metchosin, Canada · 15533 days ago · 23 km deep · 93 km away
  5. 1.616 km SW of Snoqualmie Pass, Washington · 15535 days ago · 6 km deep · 93 km away
  6. 2.04 km SSE of Wilderness Rim, Washington · 15537 days ago · 18 km deep · 77 km away
  7. 1.515 km SW of Snoqualmie Pass, Washington · 15537 days ago · 6 km deep · 93 km away
  8. 2.12 km ENE of Burley, Washington · 15538 days ago · 15 km deep · 21 km away
  9. 2.15 km W of Burley, Washington · 15538 days ago · 22 km deep · 21 km away
  10. 1.65 km WSW of Coupeville, Washington · 15541 days ago · 16 km deep · 68 km away
  11. 1.56 km WNW of Tumwater, Washington · 15541 days ago · -1 km deep · 66 km away
  12. 2.48 km WNW of Picnic Point, Washington · 15543 days ago · 14 km deep · 42 km away
  13. 2.34 km NNW of Kingston, Washington · 15543 days ago · 19 km deep · 31 km away
  14. 1.64 km S of Lake McMurray, Washington · 15544 days ago · 11 km deep · 84 km away
  15. 2.04 km S of Lake McMurray, Washington · 15545 days ago · 12 km deep · 84 km away
  16. 1.63 km W of Fall City, Washington · 15545 days ago · 16 km deep · 60 km away
  17. 1.93 km SSW of Quilcene, Washington · 15548 days ago · -1 km deep · 25 km away
  18. 2.012 km N of Jamestown, Washington · 15549 days ago · 25 km deep · 77 km away
  19. 1.93 km E of Newcastle, Washington · 15552 days ago · 18 km deep · 48 km away
  20. 2.29 km SSW of Brinnon, Washington · 15552 days ago · 46 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10174688. Read Tue, Sep 22, 2026, 4:25 PM UTC.