Washington earthquakes

M1.6 earthquake 4 km ESE of Newcastle, Washington

A magnitude 1.6 earthquake struck 4 km ESE of Newcastle, Washington on Tue, Aug 22, 1989, 6:56 AM PDT (13:56 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.7 4 km SE of Port Ludlow, 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
1.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1989-08-22 13:56:46 UTC
Depth
9.1 km (5.7 mi), shallow
Epicenter
47.529° N, 122.104° 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 0.6 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
83°
Stations used
18

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 18 in the 30 days before it.

After

  1. 2.74 km SE of Port Ludlow, Washington · 13542 days ago · 17 km deep · 57 km away
  2. 2.524 km ENE of Ashford, Washington · 13539 days ago · -2 km deep · 78 km away
  3. 2.124 km ENE of Ashford, Washington · 13539 days ago · -2 km deep · 78 km away
  4. 1.90 km NE of Edgewood, Washington · 13538 days ago · 6 km deep · 34 km away
  5. 1.72 km NNE of Skykomish, Washington · 13537 days ago · 2 km deep · 61 km away
  6. 1.76 km NE of Hobart, Washington · 13536 days ago · 10 km deep · 17 km away
  7. 1.85 km ENE of Lake Marcel-Stillwater, Washington · 13535 days ago · -1 km deep · 29 km away
  8. 1.74 km SE of Seabeck, Washington · 13534 days ago · 22 km deep · 52 km away
  9. 2.06 km ESE of McKenna, Washington · 13532 days ago · 21 km deep · 73 km away
  10. 1.516 km E of Verlot, Washington · 13527 days ago · -1 km deep · 73 km away
  11. 2.36 km W of Lake Cavanaugh, Washington · 13525 days ago · 10 km deep · 87 km away
  12. 2.26 km W of Lake Cavanaugh, Washington · 13524 days ago · 12 km deep · 88 km away
  13. 1.61 km S of Issaquah, Washington · 13523 days ago · -1 km deep · 6 km away
  14. 1.64 km NE of Key Center, Washington · 13521 days ago · 21 km deep · 48 km away
  15. 2.523 km ENE of Ashford, Washington · 13510 days ago · -2 km deep · 79 km away
  16. 1.63 km E of Riverside, Washington · 13508 days ago · 3 km deep · 67 km away
  17. 1.63 km NNW of Dash Point, Washington · 13504 days ago · 52 km deep · 32 km away
  18. 1.55 km SSE of Lake Roesiger, Washington · 13501 days ago · 15 km deep · 48 km away
  19. 2.04 km WNW of Federal Way, Washington · 13500 days ago · 9 km deep · 29 km away
  20. 1.626 km ENE of Ashford, Washington · 13499 days ago · -2 km deep · 79 km away

Before

  1. 1.724 km ENE of Ashford, Washington · 13560 days ago · -2 km deep · 78 km away
  2. 1.68 km N of Belfair, Washington · 13560 days ago · 15 km deep · 54 km away
  3. 2.124 km ENE of Ashford, Washington · 13561 days ago · -1 km deep · 79 km away
  4. 1.814 km ENE of Enumclaw, Washington · 13562 days ago · 15 km deep · 39 km away
  5. 1.62 km NNE of Big Lake, Washington · 13563 days ago · -1 km deep · 100 km away
  6. 1.923 km ENE of Ashford, Washington · 13563 days ago · -2 km deep · 79 km away
  7. 1.89 km E of Ashford, Washington · 13563 days ago · 2 km deep · 88 km away
  8. 1.94 km NNE of Snoqualmie, Washington · 13563 days ago · 9 km deep · 23 km away
  9. 1.8Washington · 13570 days ago · -1 km deep · 80 km away
  10. 1.913 km E of Wilkeson, Washington · 13570 days ago · 7 km deep · 51 km away
  11. 2.56 km SSE of Swede Heaven, Washington · 13576 days ago · 3 km deep · 84 km away
  12. 1.85 km SSE of Swede Heaven, Washington · 13576 days ago · 8 km deep · 84 km away
  13. 1.71 km SW of Issaquah, Washington · 13579 days ago · -1 km deep · 4 km away
  14. 2.18 km NE of Snoqualmie, Washington · 13579 days ago · 5 km deep · 28 km away
  15. 1.92 km ESE of Grapeview, Washington · 13579 days ago · 17 km deep · 57 km away
  16. 1.613 km E of Skykomish, Washington · 13582 days ago · 4 km deep · 72 km away
  17. 1.518 km NNE of Ashford, Washington · 13582 days ago · 10 km deep · 69 km away
  18. 1.71 km SE of Kapowsin, Washington · 13583 days ago · 13 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10250163. Read Fri, Oct 2, 2026, 11:09 AM UTC.