Oregon earthquakes

M1.6 earthquake 11 km ESE of Molalla, Oregon

A magnitude 1.6 earthquake struck 11 km ESE of Molalla, Oregon on Thu, Aug 14, 2003, 6:46 AM PDT (13:46 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M2.4 3 km NW of North Portland, Oregon. This one was a foreshock.

Molalla forecastMore in Oregon

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
2003-08-14 13:46:38 UTC
Depth
14.4 km (9.0 mi), shallow
Epicenter
45.123° N, 122.432° 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 1.1 km horizontally, 2.1 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
72°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 2.011 km ESE of Molalla, Oregon · 8438 days ago · 14 km deep · 1 km away
  2. 2.43 km NW of North Portland, Oregon · 8427 days ago · 17 km deep · 61 km away
  3. 1.72 km NW of North Portland, Oregon · 8427 days ago · 16 km deep · 61 km away
  4. 1.54 km SSE of La Center, Washington · 8420 days ago · 9 km deep · 80 km away
  5. 1.510 km ESE of Molalla, Oregon · 8419 days ago · 14 km deep · 1 km away
  6. 1.94 km WNW of North Portland, Oregon · 8409 days ago · 16 km deep · 62 km away
  7. 1.66 km NNE of North Plains, Oregon · 8403 days ago · 6 km deep · 73 km away
  8. 1.67 km E of Scotts Mills, Oregon · 8400 days ago · 18 km deep · 15 km away

Before

  1. 2.2Washington-Oregon border region · 8461 days ago · 17 km deep · 63 km away
  2. 1.94 km NW of North Portland, Oregon · 8464 days ago · 17 km deep · 62 km away
  3. 2.110 km E of Kalama, Washington · 8466 days ago · 19 km deep · 100 km away
  4. 1.84 km NW of North Portland, Oregon · 8466 days ago · 17 km deep · 62 km away
  5. 2.43 km NW of North Portland, Oregon · 8467 days ago · 18 km deep · 62 km away
  6. 1.63 km NW of North Portland, Oregon · 8468 days ago · 16 km deep · 61 km away
  7. 2.43 km NW of North Portland, Oregon · 8468 days ago · 16 km deep · 61 km away
  8. 2.83 km NW of North Portland, Oregon · 8468 days ago · 17 km deep · 62 km away
  9. 1.73 km NW of North Portland, Oregon · 8468 days ago · 16 km deep · 62 km away
  10. 2.14 km NW of North Portland, Oregon · 8468 days ago · 16 km deep · 62 km away
  11. 1.62 km WNW of North Portland, Oregon · 8468 days ago · 15 km deep · 60 km away
  12. 1.73 km NW of North Portland, Oregon · 8468 days ago · 16 km deep · 61 km away
  13. 1.75 km NW of North Portland, Oregon · 8469 days ago · 16 km deep · 63 km away
  14. 2.13 km NW of North Portland, Oregon · 8469 days ago · 16 km deep · 61 km away
  15. 2.24 km NW of North Portland, Oregon · 8469 days ago · 17 km deep · 62 km away
  16. 2.24 km NW of North Portland, Oregon · 8469 days ago · 17 km deep · 62 km away
  17. 1.64 km WNW of North Portland, Oregon · 8469 days ago · 17 km deep · 62 km away
  18. 1.54 km NW of North Portland, Oregon · 8469 days ago · 17 km deep · 62 km away
  19. 3.04 km NW of North Portland, Oregon · 8469 days ago · 17 km deep · 62 km away · felt by 149
  20. 1.83 km NW of North Portland, Oregon · 8470 days ago · 16 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10591428. Read Thu, Oct 1, 2026, 8:11 PM UTC.