Washington earthquakes

M1.5 earthquake 2 km E of Oso, Washington

A magnitude 1.5 earthquake struck 2 km E of Oso, Washington on Tue, Jul 9, 2002, 6:55 AM PDT (13:55 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.3 1 km NNE of East Hill-Meridian, 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), micro
Local time
UTC
2002-07-09 13:55:29 UTC
Depth
13.5 km (8.4 mi), shallow
Epicenter
48.275° N, 121.900° 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 0.6 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
113°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.74 km NNE of Oso, Washington · 8844 days ago · 3 km deep · 4 km away
  2. 1.52 km N of Oso, Washington · 8844 days ago · 0 km deep · 3 km away
  3. 1.54 km N of Oso, Washington · 8837 days ago · 3 km deep · 5 km away
  4. 2.15 km NE of Oso, Washington · 8837 days ago · -1 km deep · 4 km away
  5. 1.95 km NE of Oso, Washington · 8837 days ago · -1 km deep · 3 km away
  6. 3.14 km SSW of Wilderness Rim, Washington · 8837 days ago · 27 km deep · 97 km away · felt by 104
  7. 1.79 km N of Rockport, Washington · 8834 days ago · 3 km deep · 40 km away
  8. 1.5Washington · 8833 days ago · 3 km deep · 4 km away
  9. 1.78 km ENE of Marrowstone, Washington · 8833 days ago · 23 km deep · 55 km away
  10. 1.71 km S of Lochsloy, Washington · 8831 days ago · 0 km deep · 28 km away
  11. 2.63 km E of Port Hadlock-Irondale, Washington · 8828 days ago · 58 km deep · 68 km away
  12. 3.31 km NNE of East Hill-Meridian, Washington · 8828 days ago · 60 km deep · 96 km away
  13. 1.948 km WNW of Granite Falls, Washington · 8824 days ago · 4 km deep · 84 km away
  14. 2.04 km SW of Inglewood-Finn Hill, Washington · 8820 days ago · 21 km deep · 71 km away
  15. 1.85 km SSW of Sultan, Washington · 8816 days ago · 17 km deep · 51 km away
  16. 1.84 km NE of Edison, Washington · 8815 days ago · 12 km deep · 51 km away
  17. 1.93 km ENE of Granite Falls, Washington · 8804 days ago · -1 km deep · 21 km away
  18. 1.81 km NNW of Tukwila, Washington · 8801 days ago · 10 km deep · 92 km away
  19. 1.85 km E of North Stanwood, Washington · 8795 days ago · 0 km deep · 28 km away
  20. 1.62 km SE of Alger, Washington · 8793 days ago · 14 km deep · 48 km away

Before

  1. 1.75 km NNE of Oso, Washington · 8851 days ago · 1 km deep · 5 km away
  2. 1.81 km E of North Creek, Washington · 8851 days ago · 23 km deep · 54 km away
  3. 2.17 km E of Deming, Washington · 8853 days ago · 11 km deep · 63 km away
  4. 1.62 km NE of Marrowstone, Washington · 8857 days ago · 31 km deep · 61 km away
  5. 1.74 km NW of Bryant, Washington · 8862 days ago · 12 km deep · 22 km away
  6. 1.94 km SSE of Carnation, Washington · 8864 days ago · 14 km deep · 74 km away
  7. 1.83 km NE of Fall City, Washington · 8866 days ago · 15 km deep · 77 km away
  8. 2.14 km SE of Lake McMurray, Washington · 8869 days ago · 13 km deep · 21 km away
  9. 2.22 km SSW of North Bend, Washington · 8873 days ago · 17 km deep · 89 km away
  10. 1.53 km SW of Three Lakes, Washington · 8876 days ago · 16 km deep · 40 km away
  11. 1.96 km WSW of Lake Cavanaugh, Washington · 8879 days ago · 14 km deep · 15 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10559508. Read Wed, Sep 30, 2026, 8:44 PM UTC.