Washington earthquakes

M1.6 earthquake 4 km WNW of Deming, Washington

A magnitude 1.6 earthquake struck 4 km WNW of Deming, Washington on Thu, Aug 21, 2003, 2:15 AM PDT (09:15 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.5 8 km ESE of Oak Bay, Canada. This one was a foreshock.

Everson 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
2003-08-21 09:15:08 UTC
Depth
13.4 km (8.4 mi), shallow
Epicenter
48.847° N, 122.266° 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 0.9 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
159°
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 12 in the 30 days before it.

After

  1. 2.31 km WNW of Deming, Washington · 8442 days ago · 0 km deep · 2 km away
  2. 1.519 km NNE of Jamestown, Washington · 8439 days ago · 48 km deep · 83 km away
  3. 1.818 km ESE of Darrington, Washington · 8416 days ago · 9 km deep · 98 km away
  4. 1.618 km ESE of Darrington, Washington · 8416 days ago · 7 km deep · 99 km away
  5. 1.55 km NE of Anacortes, Washington · 8414 days ago · 12 km deep · 40 km away
  6. 1.813 km W of Hope, Canada · 8413 days ago · 0 km deep · 78 km away
  7. 2.214 km NE of Jamestown, Washington · 8410 days ago · 24 km deep · 86 km away
  8. 1.55 km SSE of Lynden, Washington · 8410 days ago · 16 km deep · 13 km away
  9. 2.13 km NE of Anacortes, Washington · 8405 days ago · 16 km deep · 41 km away
  10. 2.010 km NNW of Marblemount, Washington · 8403 days ago · 0 km deep · 60 km away
  11. 1.68 km NNW of Freeland, Washington · 8399 days ago · 57 km deep · 88 km away
  12. 2.58 km ESE of Oak Bay, Canada · 8390 days ago · 44 km deep · 84 km away

Before

  1. 1.911 km SSW of Darrington, Washington · 8443 days ago · 10 km deep · 90 km away
  2. 1.53 km WNW of Deming, Washington · 8443 days ago · 13 km deep · 1 km away
  3. 1.93 km NW of Deming, Washington · 8443 days ago · 16 km deep · 1 km away
  4. 1.6Washington · 8444 days ago · 7 km deep · 47 km away
  5. 1.66 km WNW of Tsawwassen, Canada · 8448 days ago · 25 km deep · 69 km away
  6. 1.95 km WSW of Swede Heaven, Washington · 8449 days ago · 3 km deep · 72 km away
  7. 1.91 km SSE of Port Hadlock-Irondale, Washington · 8451 days ago · 16 km deep · 99 km away
  8. 1.51 km SSW of Oso, Washington · 8455 days ago · 11 km deep · 70 km away
  9. 1.63 km NNW of Big Lake, Washington · 8459 days ago · 7 km deep · 46 km away
  10. 2.443 km NNE of Anmore, Canada · 8460 days ago · 6 km deep · 91 km away
  11. 2.1Washington · 8461 days ago · 26 km deep · 65 km away
  12. 2.54 km SW of Clear Lake, Washington · 8462 days ago · 8 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10592523. Read Thu, Oct 1, 2026, 2:52 PM UTC.