Washington earthquakes

M1.6 earthquake 20 km ENE of Ashford, Washington

A magnitude 1.6 earthquake struck 20 km ENE of Ashford, Washington on Thu, Oct 10, 2002, 5:30 PM PDT (00:30 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.8 17 km SE of Carbonado, Washington. This one was a foreshock.

Carbonado 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
2002-10-11 00:30:06 UTC
Depth
7.7 km (4.8 mi), shallow
Epicenter
46.844° N, 121.795° 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, 0.6 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
170°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.0Washington · 8749 days ago · 15 km deep · 24 km away
  2. 1.60 km N of White Center, Washington · 8746 days ago · 26 km deep · 86 km away
  3. 1.538 km NNE of Amboy, Washington · 8743 days ago · 0 km deep · 77 km away
  4. 1.934 km N of Amboy, Washington · 8740 days ago · 7 km deep · 85 km away
  5. 1.533 km SSW of Packwood, Washington · 8737 days ago · 9 km deep · 57 km away
  6. 2.627 km ENE of Yacolt, Washington · 8731 days ago · 12 km deep · 99 km away
  7. 1.59 km SW of Nile, Washington · 8717 days ago · 6 km deep · 60 km away
  8. 2.137 km NNE of Amboy, Washington · 8716 days ago · 0 km deep · 78 km away
  9. 2.817 km SE of Carbonado, Washington · 8714 days ago · 7 km deep · 16 km away
  10. 1.917 km ESE of Packwood, Washington · 8708 days ago · 3 km deep · 41 km away
  11. 1.75 km ENE of Mineral, Washington · 8705 days ago · 9 km deep · 27 km away
  12. 1.522 km WSW of Nile, Washington · 8704 days ago · -1 km deep · 44 km away
  13. 1.67 km WNW of Nile, Washington · 8703 days ago · 5 km deep · 58 km away
  14. 1.516 km S of Morton, Washington · 8702 days ago · 8 km deep · 59 km away
  15. 1.714 km NNE of Ashford, Washington · 8702 days ago · 9 km deep · 11 km away
  16. 2.49 km WSW of Mineral, Washington · 8697 days ago · 13 km deep · 43 km away

Before

  1. 2.94 km ENE of Fall City, Washington · 8759 days ago · 17 km deep · 82 km away
  2. 1.618 km SSE of Carbonado, Washington · 8770 days ago · 11 km deep · 15 km away
  3. 1.56 km SE of Mossyrock, Washington · 8774 days ago · 21 km deep · 61 km away
  4. 2.321 km ENE of Ashford, Washington · 8776 days ago · -2 km deep · 2 km away
  5. 2.06 km NE of Snoqualmie, Washington · 8779 days ago · 11 km deep · 81 km away
  6. 2.28 km SSE of Carbonado, Washington · 8781 days ago · 14 km deep · 24 km away
  7. 1.611 km NE of Snoqualmie, Washington · 8782 days ago · 5 km deep · 85 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10568353. Read Thu, Oct 1, 2026, 5:24 AM UTC.