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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 #628 - Summary, and parameter estimates with source IDs                                           
An event on this date appears in both the Milne and Woodward-Clyde catalogs, but with rather different locations. Milne cites the ISS, and a location at 49N, 124W. Woodward-Clyde cites the Canadian (Earth Physics Branch) epicenter data file for the location and magnitude shown above.
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
1926  22          49.00  124.00    5.00  IML               
MILNE - 1497 MILNE - 1497 - WWC - 1883 - -

Underlying Source Material
Source ID Publication Pub Date Pub Details
1883  Woodward Clyde Consultants, unpublished  1981  Woodward-Clyde Consultants (1981), Historical Catalog (1841-1980) for the Pacific Northwest Region, unpublished catalog prepared for the Washington Public Power Supply System.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: 192609222109505 50220-121890 500ML CA 01
 
Source ID Publication Pub Date Pub Details
1497  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: 1926 SEPTEMBER 22. phi = 49.0 degrees N; lambda = 124.0 degrees W. ISS.
 


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