Washington earthquakes

M1.9 earthquake 48 km WNW of Granite Falls, Washington

A magnitude 1.9 earthquake struck 48 km WNW of Granite Falls, Washington on Sat, Aug 3, 2002, 1:49 PM PDT (20:49 UTC), 4 km (3 mi) below the surface.

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

Granite Falls 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
1.9 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2002-08-03 20:49:45 UTC
Depth
4.2 km (2.6 mi), shallow
Epicenter
48.035° N, 120.829° 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 0.7 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
131°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 1.85 km SSW of Sultan, Washington · 8818 days ago · 17 km deep · 79 km away
  2. 1.93 km ENE of Granite Falls, Washington · 8806 days ago · -1 km deep · 82 km away
  3. 2.76 km WSW of Entiat, Washington · 8805 days ago · 3 km deep · 58 km away
  4. 1.77 km SSW of Chelan Falls, Washington · 8800 days ago · 1 km deep · 69 km away
  5. 2.06 km NE of Rock Island, Washington · 8798 days ago · 12 km deep · 89 km away
  6. 1.611 km NE of Snoqualmie, Washington · 8783 days ago · 5 km deep · 82 km away
  7. 1.510 km NW of Entiat, Washington · 8783 days ago · 2 km deep · 50 km away
  8. 2.06 km NE of Snoqualmie, Washington · 8780 days ago · 11 km deep · 87 km away
  9. 2.47 km S of Sultan, Washington · 8773 days ago · 7 km deep · 79 km away
  10. 1.51 km SSW of Monroe, Washington · 8770 days ago · 1 km deep · 88 km away

Before

  1. 1.71 km S of Lochsloy, Washington · 8832 days ago · 0 km deep · 90 km away
  2. 1.5Washington · 8834 days ago · 3 km deep · 86 km away
  3. 1.79 km N of Rockport, Washington · 8836 days ago · 3 km deep · 82 km away
  4. 3.14 km SSW of Wilderness Rim, Washington · 8838 days ago · 27 km deep · 100 km away · felt by 104
  5. 1.95 km NE of Oso, Washington · 8838 days ago · -1 km deep · 83 km away
  6. 2.15 km NE of Oso, Washington · 8838 days ago · -1 km deep · 84 km away
  7. 1.54 km N of Oso, Washington · 8838 days ago · 3 km deep · 87 km away
  8. 1.52 km N of Oso, Washington · 8845 days ago · 0 km deep · 86 km away
  9. 1.74 km NNE of Oso, Washington · 8846 days ago · 3 km deep · 86 km away
  10. 2.653 km NW of Winthrop, Washington · 8847 days ago · 8 km deep · 91 km away
  11. 1.52 km E of Oso, Washington · 8851 days ago · 13 km deep · 84 km away
  12. 1.75 km NNE of Oso, Washington · 8852 days ago · 1 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10557573. Read Fri, Oct 2, 2026, 8:21 AM UTC.