Oregon earthquakes

M1.5 earthquake 2 km SE of Portland, Oregon

A magnitude 1.5 earthquake struck 2 km SE of Portland, Oregon on Sun, Feb 8, 2004, 11:01 AM PST (19:01 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M3.0 5 km NW of North Portland, Oregon. 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
2004-02-08 19:01:33 UTC
Depth
18.3 km (11.4 mi), shallow
Epicenter
45.506° N, 122.655° W
Region
Oregon
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, 1.4 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
76°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 2.44 km ENE of Molalla, Oregon · 8269 days ago · 21 km deep · 39 km away
  2. 1.75 km ENE of Molalla, Oregon · 8269 days ago · 20 km deep · 39 km away
  3. 3.05 km NW of North Portland, Oregon · 8255 days ago · 19 km deep · 17 km away · felt by 51
  4. 2.06 km NW of North Portland, Oregon · 8254 days ago · 19 km deep · 18 km away
  5. 2.111 km E of Molalla, Oregon · 8237 days ago · 15 km deep · 45 km away
  6. 2.43 km W of Molalla, Oregon · 8233 days ago · 26 km deep · 40 km away
  7. 1.75 km NNW of Fern Prairie, Washington · 8221 days ago · 5 km deep · 26 km away
  8. 1.825 km SSE of Mossyrock, Washington · 8216 days ago · 19 km deep · 91 km away
  9. 1.526 km SSE of Mossyrock, Washington · 8216 days ago · 19 km deep · 91 km away

Before

  1. 1.815 km ENE of Kalama, Washington · 8292 days ago · 8 km deep · 60 km away
  2. 2.58 km NE of Government Camp, Oregon · 8297 days ago · 2 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10598588. Read Sat, Oct 3, 2026, 11:47 AM UTC.