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Cascadia Historic Earthquake Catalog, 1793-1929
Covering Washington, Oregon and Southern British Columbia
Provided by: The Pacific Northwest Seismic Network
About the Cascadia Historic Earthquake Catalog       One-line catalog format

1793-1849 .... 1850s .... 1860s .... 1870s .... 1880s .... 1890s .... 1900s .... 1910s .... 1920s .... 1930s (not complete) .... Other Cascadia Catalogs

  
Individual Event Report
Event #588 - Summary, and parameter estimates with source IDs                                           
Far to the northwest. Milne cites the ISS as the source for the location, and the Woodward-Clyde catalog gives a magnitude of 5.0 (source uncertain).
TIME LOCATION MAGNITUDE MAX. INTENSITY FELT AREA
YR MO DAY HR MIN AM/PM Time
Type		 LAT(N) LON(W) DEP
(km)		 MAG Mag
Type		 Felt
Plc.		 Felt
St.		 Inten-
sity		 Int.
Type		 Felt
Area		 Felt
Area
Int.		 Felt
Area
Units
1923  5  2  8  24  A  L  50.00  128.00    5.00  IML               
MILNE - 1479 MILNE - 1479 - WWC - 1864 - -

Underlying Source Material
Source ID Publication Pub Date Pub Details
1864  Woodward Clyde Consultants, unpublished  1981  Woodward-Clyde Consultants (1981), Historical Catalog (1841-1980) for the Pacific Northwest Region, unpublished catalog prepared for the Washington Public Power Supply System. Copy provided to UW in 1993. 
Transcription: 192305 21624300 50000-128000 500ML CA 01
 
Source ID Publication Pub Date Pub Details
1479  Milne, W.G., 1956, Seismic Activity in Canada, west of the 113th meridian 1841-1951: Canada Dominion Obs. Pub., V. 18, No. 7, pp. 119-146  1957   
Transcription: 1923 MAY 2. 8:24 a.m. phi = 50.0 degrees N; lambda = 128.0 degrees W. ISS. At Victoria the seismograph indicated a distance of 170 miles.
 


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