Washington earthquakes

M1.5 earthquake 9 km NNW of Orcas, Washington

A magnitude 1.5 earthquake struck 9 km NNW of Orcas, Washington on Sat, Aug 6, 2005, 12:05 PM PDT (19:05 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M2.9 4 km WSW of Quilcene, Washington. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2005-08-06 19:05:08 UTC
Depth
14.2 km (8.8 mi), shallow
Epicenter
48.671° N, 123.006° 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, 0.5 km in depth
Magnitude uncertainty
±0.02
Depth from
From location
Station coverage gap
105°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.70 km SSW of Oso, Washington · 7725 days ago · 13 km deep · 91 km away
  2. 2.217 km ESE of Glacier, Washington · 7724 days ago · 34 km deep · 94 km away
  3. 1.55 km SW of Coupeville, Washington · 7724 days ago · 16 km deep · 57 km away
  4. 2.13 km S of Geneva, Washington · 7716 days ago · 15 km deep · 44 km away
  5. 1.65 km ENE of Anacortes, Washington · 7707 days ago · 16 km deep · 37 km away
  6. 2.17 km ENE of Quilcene, Washington · 7705 days ago · 22 km deep · 92 km away
  7. 1.74 km S of La Conner, Washington · 7698 days ago · 18 km deep · 52 km away
  8. 2.94 km WSW of Quilcene, Washington · 7690 days ago · 49 km deep · 96 km away
  9. 1.57 km WSW of Carlsborg, Washington · 7688 days ago · 44 km deep · 69 km away
  10. 1.520 km NE of North Saanich, Canada · 7682 days ago · 49 km deep · 18 km away
  11. 1.89 km E of Deming, Washington · 7669 days ago · 12 km deep · 69 km away

Before

  1. 1.65 km SE of Oso, Washington · 7728 days ago · 13 km deep · 97 km away
  2. 1.521 km NNE of Concrete, Washington · 7730 days ago · 0 km deep · 99 km away
  3. 2.015 km SE of Glacier, Washington · 7732 days ago · 26 km deep · 90 km away
  4. 2.32 km SSE of Big Lake, Washington · 7737 days ago · 14 km deep · 66 km away
  5. 1.84 km WSW of Mount Vernon, Washington · 7740 days ago · 18 km deep · 54 km away
  6. 1.720 km SSE of Glacier, Washington · 7750 days ago · 20 km deep · 89 km away
  7. 1.59 km SSW of Port Hadlock-Irondale, Washington · 7754 days ago · 15 km deep · 80 km away
  8. 1.77 km SSE of Acme, Washington · 7754 days ago · 3 km deep · 60 km away
  9. 2.47 km ESE of Oso, Washington · 7754 days ago · 10 km deep · 98 km away
  10. 2.26 km NW of Picnic Point, Washington · 7755 days ago · 33 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10674993. Read Fri, Oct 2, 2026, 10:30 PM UTC.