Washington earthquakes

M1.5 earthquake 1 km SSW of Monroe, Washington

A magnitude 1.5 earthquake struck 1 km SSW of Monroe, Washington on Fri, Sep 27, 2002, 4:47 PM PDT (23:47 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.1 2 km WSW of Camano, 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
2002-09-27 23:47:03 UTC
Depth
1.1 km (0.7 mi), shallow
Epicenter
47.840° N, 121.977° 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 0.4 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
100°
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: 19 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 1.613 km SSE of Port Angeles East, Washington · 8766 days ago · 45 km deep · 100 km away
  2. 2.15 km W of Edison, Washington · 8764 days ago · 15 km deep · 89 km away
  3. 1.75 km WSW of Edison, Washington · 8762 days ago · 0 km deep · 88 km away
  4. 1.510 km ESE of Friday Harbor, Washington · 8761 days ago · 0 km deep · 100 km away
  5. 2.94 km ENE of Fall City, Washington · 8759 days ago · 17 km deep · 30 km away
  6. 2.25 km SW of Clinton, Washington · 8756 days ago · 31 km deep · 35 km away
  7. 1.70 km ESE of Mountlake Terrace, Washington · 8756 days ago · 22 km deep · 25 km away
  8. 2.09 km NNE of Quilcene, Washington · 8754 days ago · 20 km deep · 64 km away
  9. 2.0Washington · 8749 days ago · 15 km deep · 92 km away
  10. 1.60 km N of White Center, Washington · 8746 days ago · 26 km deep · 45 km away
  11. 1.52 km W of Edmonds, Washington · 8739 days ago · 19 km deep · 32 km away
  12. 1.98 km SSW of Anacortes, WA · 8739 days ago · 21 km deep · 84 km away
  13. 1.610 km NNW of Ault Field, WA · 8737 days ago · 22 km deep · 85 km away
  14. 2.29 km NNW of Ault Field, Washington · 8736 days ago · 22 km deep · 85 km away
  15. 2.410 km ESE of Friday Harbor, Washington · 8736 days ago · 0 km deep · 99 km away
  16. 3.12 km WSW of Camano, Washington · 8732 days ago · 27 km deep · 56 km away
  17. 2.817 km SE of Carbonado, Washington · 8714 days ago · 7 km deep · 98 km away
  18. 1.64 km SW of Inglewood-Finn Hill, Washington · 8714 days ago · 24 km deep · 27 km away
  19. 1.52 km NNW of Kingsgate, Washington · 8712 days ago · 19 km deep · 19 km away

Before

  1. 2.19 km NNE of Hamilton, Washington · 8772 days ago · 4 km deep · 85 km away
  2. 1.59 km N of Hamilton, Washington · 8772 days ago · 3 km deep · 85 km away
  3. 2.47 km S of Sultan, Washington · 8772 days ago · 7 km deep · 13 km away
  4. 2.610 km NNE of Hamilton, Washington · 8772 days ago · -1 km deep · 86 km away
  5. 2.49 km N of Hamilton, Washington · 8772 days ago · -1 km deep · 85 km away
  6. 2.50 km ENE of Lyman, Washington · 8776 days ago · -1 km deep · 77 km away
  7. 2.06 km NE of Snoqualmie, Washington · 8779 days ago · 11 km deep · 33 km away
  8. 1.71 km SSE of Lyman, Washington · 8780 days ago · -1 km deep · 75 km away
  9. 2.28 km SSE of Carbonado, Washington · 8781 days ago · 14 km deep · 92 km away
  10. 1.611 km NE of Snoqualmie, Washington · 8782 days ago · 5 km deep · 32 km away
  11. 2.39 km N of Hamilton, Washington · 8784 days ago · -1 km deep · 85 km away
  12. 1.510 km N of Hamilton, Washington · 8784 days ago · 3 km deep · 86 km away
  13. 2.39 km NNE of Hamilton, Washington · 8784 days ago · -1 km deep · 85 km away
  14. 1.80 km WNW of Maple Valley, Washington · 8789 days ago · 1 km deep · 50 km away
  15. 1.62 km SE of Alger, Washington · 8794 days ago · 14 km deep · 89 km away
  16. 1.85 km E of North Stanwood, Washington · 8796 days ago · 0 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10569073. Read Thu, Oct 1, 2026, 3:24 AM UTC.