Washington earthquakes

M1.5 earthquake 4 km SSE of La Center, Washington

A magnitude 1.5 earthquake struck 4 km SSE of La Center, Washington on Fri, Sep 12, 2003, 7:23 PM PDT (02:23 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.0 24 km E of Castle Rock, Washington. This one was a foreshock.

La Center 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2003-09-13 02:23:19 UTC
Depth
9.0 km (5.6 mi), shallow
Epicenter
45.826° N, 122.652° 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 5.6 km horizontally
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
262°, poorly surrounded by stations
Stations used
7

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 8 in the 30 days before it.

After

  1. 1.510 km ESE of Molalla, Oregon · 8418 days ago · 14 km deep · 79 km away
  2. 1.94 km WNW of North Portland, Oregon · 8408 days ago · 16 km deep · 23 km away
  3. 1.66 km NNE of North Plains, Oregon · 8403 days ago · 6 km deep · 32 km away
  4. 1.67 km E of Scotts Mills, Oregon · 8400 days ago · 18 km deep · 88 km away
  5. 2.024 km E of Castle Rock, Washington · 8399 days ago · 18 km deep · 46 km away
  6. 1.710 km SSE of Mineral, Washington · 8395 days ago · 16 km deep · 98 km away
  7. 1.65 km WSW of Deer Island, Oregon · 8388 days ago · 22 km deep · 22 km away
  8. 1.543 km WNW of Trout Lake, Washington · 8382 days ago · 7 km deep · 63 km away
  9. 1.715 km SSW of Morton, Washington · 8380 days ago · 18 km deep · 71 km away

Before

  1. 1.538 km NNE of Amboy, Washington · 8422 days ago · 0 km deep · 55 km away
  2. 1.72 km NW of North Portland, Oregon · 8427 days ago · 16 km deep · 23 km away
  3. 2.43 km NW of North Portland, Oregon · 8427 days ago · 17 km deep · 23 km away
  4. 1.73 km ESE of Trout Lake, Washington · 8429 days ago · -1 km deep · 91 km away
  5. 1.615 km S of Morton, Washington · 8433 days ago · 7 km deep · 73 km away
  6. 2.011 km ESE of Molalla, Oregon · 8437 days ago · 14 km deep · 81 km away
  7. 1.811 km SSE of Mineral, Washington · 8445 days ago · 15 km deep · 97 km away
  8. 1.611 km ESE of Molalla, Oregon · 8449 days ago · 14 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10595753. Read Thu, Oct 1, 2026, 4:19 PM UTC.