Washington earthquakes

M1.9 earthquake 30 km NE of Amboy, Washington

A magnitude 1.9 earthquake struck 30 km NE of Amboy, Washington on Mon, Mar 3, 2003, 12:06 PM PST (20:06 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.9 3 km NW of North Portland, Oregon. This one was a foreshock.

Amboy 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
2003-03-03 20:06:08 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
46.091° N, 122.151° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
50°
Stations used
36

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 5 in the 30 days before it.

After

  1. 1.516 km SE of Carbonado, Washington · 8604 days ago · 4 km deep · 99 km away
  2. 1.715 km WSW of White Swan, Washington · 8594 days ago · 2 km deep · 99 km away
  3. 1.66 km NE of Government Camp, Oregon · 8586 days ago · 3 km deep · 91 km away
  4. 2.15 km WNW of North Portland, Oregon · 8584 days ago · 17 km deep · 69 km away
  5. 2.65 km WNW of North Portland, Oregon · 8584 days ago · 17 km deep · 69 km away
  6. 2.35 km NW of North Portland, Oregon · 8584 days ago · 17 km deep · 69 km away
  7. 1.715 km SSW of Mossyrock, Washington · 8580 days ago · 17 km deep · 49 km away
  8. 1.616 km SSE of Carbonado, Washington · 8564 days ago · 5 km deep · 96 km away
  9. 3.93 km NW of North Portland, Oregon · 8560 days ago · 17 km deep · 68 km away · felt by 980
  10. 1.65 km NW of North Portland, Oregon · 8560 days ago · 17 km deep · 69 km away
  11. 1.55 km NW of North Portland, Oregon · 8560 days ago · 16 km deep · 69 km away
  12. 2.24 km NW of North Portland, Oregon · 8559 days ago · 17 km deep · 68 km away

Before

  1. 2.730 km NE of Amboy, Washington · 8612 days ago · 5 km deep · 0 km away
  2. 2.115 km WNW of Packwood, Washington · 8617 days ago · 4 km deep · 67 km away
  3. 2.410 km SW of Packwood, Washington · 8625 days ago · 0 km deep · 59 km away
  4. 1.63 km ENE of Lewisville, Washington · 8635 days ago · 8 km deep · 40 km away
  5. 1.54 km E of Lewisville, Washington · 8639 days ago · 8 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10577593. Read Thu, Oct 1, 2026, 2:37 AM UTC.