Earthquake Report

Magnitude 3.0, NW of Portland, OR
Wednesday February 25, 2004 at 05:51:54.47 PM (PST)

Magnitude 3.0
Time Thursday February 26, 2004 at 01:51:54.47 Z (UTC)
Wednesday February 25, 2004 at 05:51:54.47 PM (PST)
Distance from 16.1 km NW of Portland, OR
42.1 km NNE of Newberg, OR
42.8 km N of Canby, OR
Coordinates 45.646 deg N
122.753 deg W
Depth 19 km
Quality good (BA)
Note: 1 km = 0.621 mile or 1 mile = 1.61 km
Map showing epicenter
Name of Event File: 04022601515c

This is an automated web page produced after a significant earthquake to give essential information about the earthquake, its aftershocks, and previous earthquake activity in the region. Some of the information here will be updated as aftershocks occur.
  • SHAKE MAP list for PNSN - For certain earthquakes a map of shaking intensity based on measurements from strong-motion seismographs will be available.

  • DID YOU FEEL IT index search for PNSN - You can report shaking and damage at your location. You can also view a map displaying a summary of data received from all reports.

    View Seismograms - View web-based seismograms by station and date.

    Maps and History of Earthquakes in this Region

    Focal Mechanism - A diagram and table of the P-wave fault plane solution. If sufficient P-wave first motion data are available, a fault plane determination for the earthquake will be available.

    Strong-Motion Information - Data from digital accelerographs.

    Related Information - Most Up-to-Date Local and Global Earthquake Summaries