Washington earthquakes

M1.6 earthquake 6 km E of Ashford, Washington

A magnitude 1.6 earthquake struck 6 km E of Ashford, Washington on Thu, Aug 22, 2002, 4:11 AM PDT (11:11 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.9 4 km ENE of Fall City, 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), micro
Local time
UTC
2002-08-22 11:11:36 UTC
Depth
6.8 km (4.2 mi), shallow
Epicenter
46.765° N, 121.951° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.02
Depth from
From location
Station coverage gap
49°
Stations used
27

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 2 in the 30 days before it.

After

  1. 1.81 km NNW of Tukwila, Washington · 8801 days ago · 10 km deep · 84 km away
  2. 1.63 km SSW of Des Moines, Washington · 8800 days ago · 21 km deep · 74 km away
  3. 2.24 km ESE of Longbranch, Washington · 8800 days ago · 54 km deep · 74 km away
  4. 2.68 km SSW of Tampico, Washington · 8798 days ago · 3 km deep · 86 km away
  5. 1.80 km WNW of Maple Valley, Washington · 8789 days ago · 1 km deep · 71 km away
  6. 1.716 km NNE of Ashford, Washington · 8788 days ago · 12 km deep · 15 km away
  7. 1.611 km NE of Snoqualmie, Washington · 8782 days ago · 5 km deep · 95 km away
  8. 2.28 km SSE of Carbonado, Washington · 8781 days ago · 14 km deep · 28 km away
  9. 2.06 km NE of Snoqualmie, Washington · 8779 days ago · 11 km deep · 91 km away
  10. 2.321 km ENE of Ashford, Washington · 8775 days ago · -2 km deep · 16 km away
  11. 1.56 km SE of Mossyrock, Washington · 8774 days ago · 21 km deep · 46 km away
  12. 1.618 km SSE of Carbonado, Washington · 8770 days ago · 11 km deep · 18 km away
  13. 1.912 km NW of Amboy, Washington · 8761 days ago · 13 km deep · 100 km away
  14. 2.94 km ENE of Fall City, Washington · 8759 days ago · 17 km deep · 92 km away
  15. 1.620 km ENE of Ashford, Washington · 8756 days ago · 8 km deep · 15 km away
  16. 2.0Washington · 8749 days ago · 15 km deep · 27 km away
  17. 1.60 km N of White Center, Washington · 8746 days ago · 26 km deep · 89 km away

Before

  1. 1.710 km WNW of Tampico, Washington · 8825 days ago · 6 km deep · 76 km away
  2. 3.31 km NNE of East Hill-Meridian, Washington · 8828 days ago · 60 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10572763. Read Wed, Sep 30, 2026, 11:54 PM UTC.