Washington earthquakes

M1.6 earthquake 0 km N of White Center, Washington

A magnitude 1.6 earthquake struck 0 km N of White Center, Washington on Sun, Oct 20, 2002, 11:20 AM PDT (18:20 UTC), 26 km (16 mi) below the surface.

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

White Center 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
2002-10-20 18:20:41 UTC
Depth
25.6 km (15.9 mi), shallow
Epicenter
47.522° N, 122.354° 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 0.4 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
98°
Stations used
15

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 11 in the 30 days before it.

After

  1. 1.52 km W of Edmonds, Washington · 8740 days ago · 19 km deep · 33 km away
  2. 3.12 km WSW of Camano, Washington · 8732 days ago · 27 km deep · 73 km away
  3. 2.817 km SE of Carbonado, Washington · 8714 days ago · 7 km deep · 71 km away
  4. 1.64 km SW of Inglewood-Finn Hill, Washington · 8714 days ago · 24 km deep · 20 km away
  5. 1.52 km NNW of Kingsgate, Washington · 8712 days ago · 19 km deep · 28 km away
  6. 1.75 km ENE of Mineral, Washington · 8705 days ago · 9 km deep · 90 km away
  7. 1.714 km NNE of Ashford, Washington · 8702 days ago · 9 km deep · 80 km away
  8. 2.34 km SW of Brinnon, Washington · 8702 days ago · 50 km deep · 46 km away
  9. 2.22 km ESE of Port Angeles East, Washington · 8699 days ago · 9 km deep · 98 km away
  10. 2.49 km WSW of Mineral, Washington · 8697 days ago · 13 km deep · 93 km away
  11. 1.622 km ENE of Ashford, Washington · 8695 days ago · -1 km deep · 88 km away
  12. 1.64 km ESE of Lake Marcel-Stillwater, Washington · 8693 days ago · 13 km deep · 40 km away
  13. 1.54 km W of Ashford, Washington · 8688 days ago · 17 km deep · 87 km away

Before

  1. 2.0Washington · 8749 days ago · 15 km deep · 63 km away
  2. 2.09 km NNE of Quilcene, Washington · 8754 days ago · 20 km deep · 55 km away
  3. 1.620 km ENE of Ashford, Washington · 8757 days ago · 8 km deep · 86 km away
  4. 1.70 km ESE of Mountlake Terrace, Washington · 8757 days ago · 22 km deep · 30 km away
  5. 2.25 km SW of Clinton, Washington · 8757 days ago · 31 km deep · 48 km away
  6. 2.94 km ENE of Fall City, Washington · 8759 days ago · 17 km deep · 39 km away
  7. 1.613 km SSE of Port Angeles East, Washington · 8767 days ago · 45 km deep · 88 km away
  8. 1.51 km SSW of Monroe, Washington · 8770 days ago · 1 km deep · 45 km away
  9. 1.618 km SSE of Carbonado, Washington · 8770 days ago · 11 km deep · 72 km away
  10. 2.47 km S of Sultan, Washington · 8772 days ago · 7 km deep · 50 km away
  11. 2.321 km ENE of Ashford, Washington · 8776 days ago · -2 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10571843. Read Thu, Oct 1, 2026, 1:45 PM UTC.