Washington earthquakes

M1.6 earthquake 11 km NE of Snoqualmie, Washington

A magnitude 1.6 earthquake struck 11 km NE of Snoqualmie, Washington on Sun, Sep 15, 2002, 2:41 AM PDT (09:41 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.1 2 km WSW of Camano, Washington. This one was a foreshock.

Snoqualmie 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
1.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2002-09-15 09:41:02 UTC
Depth
5.3 km (3.3 mi), shallow
Epicenter
47.605° N, 121.724° 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, 2.0 km in depth
Magnitude uncertainty
±0.04
Depth from
Operator assigned
Station coverage gap
124°
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: 15 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.28 km SSE of Carbonado, Washington · 8781 days ago · 14 km deep · 69 km away
  2. 2.06 km NE of Snoqualmie, Washington · 8779 days ago · 11 km deep · 5 km away
  3. 2.321 km ENE of Ashford, Washington · 8775 days ago · -2 km deep · 85 km away
  4. 2.47 km S of Sultan, Washington · 8772 days ago · 7 km deep · 22 km away
  5. 1.618 km SSE of Carbonado, Washington · 8770 days ago · 11 km deep · 77 km away
  6. 1.51 km SSW of Monroe, Washington · 8769 days ago · 1 km deep · 32 km away
  7. 2.94 km ENE of Fall City, Washington · 8759 days ago · 17 km deep · 9 km away
  8. 2.25 km SW of Clinton, Washington · 8756 days ago · 31 km deep · 64 km away
  9. 1.70 km ESE of Mountlake Terrace, Washington · 8756 days ago · 22 km deep · 47 km away
  10. 1.620 km ENE of Ashford, Washington · 8756 days ago · 8 km deep · 85 km away
  11. 2.09 km NNE of Quilcene, Washington · 8754 days ago · 20 km deep · 89 km away
  12. 2.0Washington · 8749 days ago · 15 km deep · 69 km away
  13. 1.60 km N of White Center, Washington · 8746 days ago · 26 km deep · 48 km away
  14. 1.52 km W of Edmonds, Washington · 8739 days ago · 19 km deep · 56 km away
  15. 3.12 km WSW of Camano, Washington · 8732 days ago · 27 km deep · 88 km away

Before

  1. 1.716 km NNE of Ashford, Washington · 8788 days ago · 12 km deep · 81 km away
  2. 1.80 km WNW of Maple Valley, Washington · 8789 days ago · 1 km deep · 34 km away
  3. 1.85 km E of North Stanwood, Washington · 8796 days ago · 0 km deep · 83 km away
  4. 2.24 km ESE of Longbranch, Washington · 8800 days ago · 54 km deep · 86 km away
  5. 1.63 km SSW of Des Moines, Washington · 8800 days ago · 21 km deep · 53 km away
  6. 1.81 km NNW of Tukwila, Washington · 8801 days ago · 10 km deep · 43 km away
  7. 1.93 km ENE of Granite Falls, Washington · 8804 days ago · -1 km deep · 56 km away
  8. 1.66 km E of Ashford, Washington · 8806 days ago · 7 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10563778. Read Thu, Oct 1, 2026, 2:35 AM UTC.