Earthquake Report

Magnitude 4.3, WNW of Spirit Lake, WA
Monday February 14, 2011 at 10:35:25.73 AM (PST)

Magnitude 4.3
Time Monday February 14, 2011 at 18:35:25.73 Z (UTC)
Monday February 14, 2011 at 10:35:25.73 AM (PST)
Distance from 4.5 km WNW of Spirit Lake, WA
6.1 km SSE of Elk Lake, WA
88.6 km NNE of Portland, OR
Coordinates 46.279 deg N
122.215 deg W
Depth 5 km
Quality fair (CA)
Note: 1 km = 0.621 mile or 1 mile = 1.61 km
Map showing epicenter
Name of Event File: 11021418352s

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

    Foreshocks and Aftershocks - The following information will be updated as new aftershocks occur. Included are:

    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