Washington earthquakes

M2.3 earthquake 21 km ENE of Ashford, Washington

A magnitude 2.3 earthquake struck 21 km ENE of Ashford, Washington on Sat, Sep 21, 2002, 9:02 AM PDT (16:02 UTC), -2 km (-1 mi) below the surface.

A larger quake followed: M2.9 4 km ENE of Fall City, 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
2.3 (md), micro
Local time
UTC
2002-09-21 16:02:43 UTC
Depth
-1.9 km (-1.2 mi), shallow
Epicenter
46.843° N, 121.775° 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 0.0 km horizontally, 0.0 km in depth
Magnitude uncertainty
±0.02
Depth from
Operator assigned
Station coverage gap
91°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.56 km SE of Mossyrock, Washington · 8774 days ago · 21 km deep · 62 km away
  2. 1.618 km SSE of Carbonado, Washington · 8770 days ago · 11 km deep · 17 km away
  3. 2.94 km ENE of Fall City, Washington · 8759 days ago · 17 km deep · 83 km away
  4. 1.620 km ENE of Ashford, Washington · 8756 days ago · 8 km deep · 2 km away
  5. 2.0Washington · 8749 days ago · 15 km deep · 25 km away
  6. 1.60 km N of White Center, Washington · 8746 days ago · 26 km deep · 87 km away
  7. 1.538 km NNE of Amboy, Washington · 8742 days ago · 0 km deep · 78 km away
  8. 1.934 km N of Amboy, Washington · 8740 days ago · 7 km deep · 85 km away
  9. 1.533 km SSW of Packwood, Washington · 8737 days ago · 9 km deep · 57 km away
  10. 2.627 km ENE of Yacolt, Washington · 8731 days ago · 12 km deep · 99 km away
  11. 1.59 km SW of Nile, Washington · 8717 days ago · 6 km deep · 58 km away
  12. 2.137 km NNE of Amboy, Washington · 8716 days ago · 0 km deep · 78 km away

Before

  1. 2.06 km NE of Snoqualmie, Washington · 8779 days ago · 11 km deep · 81 km away
  2. 2.28 km SSE of Carbonado, Washington · 8781 days ago · 14 km deep · 25 km away
  3. 1.611 km NE of Snoqualmie, Washington · 8782 days ago · 5 km deep · 85 km away
  4. 1.716 km NNE of Ashford, Washington · 8788 days ago · 12 km deep · 16 km away
  5. 1.80 km WNW of Maple Valley, Washington · 8789 days ago · 1 km deep · 65 km away
  6. 2.68 km SSW of Tampico, Washington · 8798 days ago · 3 km deep · 78 km away
  7. 2.24 km ESE of Longbranch, Washington · 8800 days ago · 54 km deep · 80 km away
  8. 1.63 km SSW of Des Moines, Washington · 8800 days ago · 21 km deep · 73 km away
  9. 1.81 km NNW of Tukwila, Washington · 8801 days ago · 10 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10566238. Read Thu, Oct 1, 2026, 1:32 AM UTC.