Washington earthquakes

M1.7 earthquake 10 km SSE of Mineral, Washington

A magnitude 1.7 earthquake struck 10 km SSE of Mineral, Washington on Tue, Oct 7, 2003, 5:47 PM PDT (00:47 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M2.6 7 km SSW of Nile, Washington. This one was a foreshock.

Morton 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
1.7 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2003-10-08 00:47:35 UTC
Depth
15.5 km (9.7 mi), shallow
Epicenter
46.629° N, 122.133° 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, 0.7 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
41°
Stations used
23

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 8 in the 30 days before it.

After

  1. 1.81 km NW of Maple Valley, Washington · 8395 days ago · 11 km deep · 86 km away
  2. 1.50 km ENE of Maple Valley, Washington · 8394 days ago · 9 km deep · 86 km away
  3. 1.65 km WSW of Deer Island, Oregon · 8388 days ago · 22 km deep · 99 km away
  4. 1.510 km ESE of Riverbend, Washington · 8386 days ago · 12 km deep · 96 km away
  5. 1.543 km WNW of Trout Lake, Washington · 8382 days ago · 7 km deep · 50 km away
  6. 1.715 km SSW of Morton, Washington · 8380 days ago · 18 km deep · 27 km away
  7. 2.67 km SSW of Nile, Washington · 8366 days ago · 5 km deep · 90 km away
  8. 1.622 km S of Packwood, Washington · 8358 days ago · 1 km deep · 47 km away
  9. 1.537 km NNE of Amboy, Washington · 8357 days ago · 0 km deep · 48 km away
  10. 2.01 km S of Mirrormont, Washington · 8347 days ago · 19 km deep · 91 km away
  11. 1.514 km NNE of Ashford, Washington · 8342 days ago · 9 km deep · 30 km away
  12. 1.813 km E of Wilkeson, Washington · 8336 days ago · 17 km deep · 57 km away
  13. 1.910 km SW of Nile, Washington · 8335 days ago · 3 km deep · 85 km away

Before

  1. 1.727 km SW of White Swan, Washington · 8398 days ago · -1 km deep · 99 km away
  2. 1.61 km NNW of Gig Harbor, Washington · 8398 days ago · 29 km deep · 87 km away
  3. 2.024 km E of Castle Rock, Washington · 8399 days ago · 18 km deep · 57 km away
  4. 1.61 km WNW of Maple Valley, Washington · 8399 days ago · 6 km deep · 85 km away
  5. 1.91 km WSW of Maple Valley, Washington · 8401 days ago · 8 km deep · 85 km away
  6. 1.5Washington · 8412 days ago · 18 km deep · 21 km away
  7. 1.54 km SSE of La Center, Washington · 8419 days ago · 9 km deep · 98 km away
  8. 1.538 km NNE of Amboy, Washington · 8422 days ago · 0 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10596503. Read Thu, Oct 1, 2026, 1:17 PM UTC.