Washington earthquakes

M1.8 earthquake 0 km WNW of Maple Valley, Washington

A magnitude 1.8 earthquake struck 0 km WNW of Maple Valley, Washington on Sat, Sep 7, 2002, 12:49 PM PDT (19:49 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.

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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
1.8 (md), micro
Local time
UTC
2002-09-07 19:49:23 UTC
Depth
1.0 km (0.6 mi), shallow
Epicenter
47.396° N, 122.058° 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 0.5 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
50°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.716 km NNE of Ashford, Washington · 8788 days ago · 12 km deep · 56 km away
  2. 1.611 km NE of Snoqualmie, Washington · 8782 days ago · 5 km deep · 34 km away
  3. 2.28 km SSE of Carbonado, Washington · 8781 days ago · 14 km deep · 43 km away
  4. 2.06 km NE of Snoqualmie, Washington · 8779 days ago · 11 km deep · 29 km away
  5. 2.321 km ENE of Ashford, Washington · 8775 days ago · -2 km deep · 65 km away
  6. 2.47 km S of Sultan, Washington · 8772 days ago · 7 km deep · 47 km away
  7. 1.618 km SSE of Carbonado, Washington · 8770 days ago · 11 km deep · 52 km away
  8. 1.51 km SSW of Monroe, Washington · 8769 days ago · 1 km deep · 50 km away
  9. 2.94 km ENE of Fall City, Washington · 8759 days ago · 17 km deep · 27 km away
  10. 2.25 km SW of Clinton, Washington · 8756 days ago · 31 km deep · 67 km away
  11. 1.70 km ESE of Mountlake Terrace, Washington · 8756 days ago · 22 km deep · 47 km away
  12. 1.620 km ENE of Ashford, Washington · 8756 days ago · 8 km deep · 64 km away
  13. 2.09 km NNE of Quilcene, Washington · 8753 days ago · 20 km deep · 80 km away
  14. 2.0Washington · 8749 days ago · 15 km deep · 43 km away
  15. 1.60 km N of White Center, Washington · 8746 days ago · 26 km deep · 26 km away
  16. 1.52 km W of Edmonds, Washington · 8739 days ago · 19 km deep · 53 km away
  17. 3.12 km WSW of Camano, Washington · 8732 days ago · 27 km deep · 93 km away

Before

  1. 1.85 km E of North Stanwood, Washington · 8796 days ago · 0 km deep · 97 km away
  2. 2.24 km ESE of Longbranch, Washington · 8800 days ago · 54 km deep · 53 km away
  3. 1.63 km SSW of Des Moines, Washington · 8800 days ago · 21 km deep · 22 km away
  4. 1.81 km NNW of Tukwila, Washington · 8801 days ago · 10 km deep · 19 km away
  5. 1.93 km ENE of Granite Falls, Washington · 8804 days ago · -1 km deep · 78 km away
  6. 1.66 km E of Ashford, Washington · 8806 days ago · 7 km deep · 71 km away
  7. 1.85 km SSW of Sultan, Washington · 8816 days ago · 17 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10560913. Read Wed, Sep 30, 2026, 11:44 PM UTC.