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The Pacific Northwest Seismograph Network

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NOTE: LOCATION AND MAGNITUDE ARE AUTOMATED PRELIMINARY ESTIMATES.
THEY HAVE NOT YET BEEN CONFIRMED BY A SEISMOLOGIST.

Preliminary Earthquake Report

Magnitude 3.0, ESE of Maupin, OR
Sunday April 8, 2007 at 02:40:41.22 AM (PDT)

Magnitude 3.0
Time Sunday April 8, 2007 at 09:40:41.22 Z (UTC)
Sunday April 8, 2007 at 02:40:41.22 AM (PDT)
Distance from 12.4 km ESE of Maupin, OR
55.1 km SSE of The Dalles, OR
139.6 km ESE of Portland, OR
Coordinates 45.129 deg N
120.936 deg W
Depth 26 km
Quality fair (CA)
Note: 1 km = 0.621 mile or 1 mile = 1.61 km
Map showing epicenter
Name of Event File: 07040809404o

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 - for some earthquakes a ShakeMap based on recorded data from digital accelerographs is available.

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

    • Latest Quakes from the Pacific Northwest, the nation and the world