Washington earthquakes

M1.6 earthquake 18 km SSE of Carbonado, Washington

A magnitude 1.6 earthquake struck 18 km SSE of Carbonado, Washington on Thu, Sep 26, 2002, 11:39 PM PDT (06:39 UTC), 11 km (7 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
1.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2002-09-27 06:39:36 UTC
Depth
11.3 km (7.0 mi), shallow
Epicenter
46.931° N, 121.952° 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
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.94 km ENE of Fall City, Washington · 8759 days ago · 17 km deep · 73 km away
  2. 1.70 km ESE of Mountlake Terrace, Washington · 8756 days ago · 22 km deep · 98 km away
  3. 1.620 km ENE of Ashford, Washington · 8756 days ago · 8 km deep · 15 km away
  4. 2.0Washington · 8749 days ago · 15 km deep · 9 km away
  5. 1.60 km N of White Center, Washington · 8746 days ago · 26 km deep · 72 km away
  6. 1.538 km NNE of Amboy, Washington · 8742 days ago · 0 km deep · 83 km away
  7. 1.934 km N of Amboy, Washington · 8740 days ago · 7 km deep · 87 km away
  8. 1.533 km SSW of Packwood, Washington · 8737 days ago · 9 km deep · 67 km away
  9. 1.59 km SW of Nile, Washington · 8717 days ago · 6 km deep · 74 km away
  10. 2.137 km NNE of Amboy, Washington · 8716 days ago · 0 km deep · 83 km away
  11. 2.817 km SE of Carbonado, Washington · 8714 days ago · 7 km deep · 4 km away
  12. 1.64 km SW of Inglewood-Finn Hill, Washington · 8714 days ago · 24 km deep · 88 km away
  13. 1.52 km NNW of Kingsgate, Washington · 8712 days ago · 19 km deep · 92 km away

Before

  1. 2.47 km S of Sultan, Washington · 8772 days ago · 7 km deep · 96 km away
  2. 1.56 km SE of Mossyrock, Washington · 8774 days ago · 21 km deep · 60 km away
  3. 2.321 km ENE of Ashford, Washington · 8775 days ago · -2 km deep · 17 km away
  4. 2.06 km NE of Snoqualmie, Washington · 8779 days ago · 11 km deep · 73 km away
  5. 2.28 km SSE of Carbonado, Washington · 8781 days ago · 14 km deep · 10 km away
  6. 1.611 km NE of Snoqualmie, Washington · 8782 days ago · 5 km deep · 77 km away
  7. 1.716 km NNE of Ashford, Washington · 8788 days ago · 12 km deep · 4 km away
  8. 1.80 km WNW of Maple Valley, Washington · 8789 days ago · 1 km deep · 52 km away
  9. 2.68 km SSW of Tampico, Washington · 8798 days ago · 3 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10568948. Read Thu, Oct 1, 2026, 2:38 AM UTC.