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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 #647 - Summary, and parameter estimates with source IDs                                           
Listed only in Milne, who cites the ISS for the location and says: "Bull Harbour, Alert Bay, and Ocean Falls as well as Port Hardy felt a tremor. The ISS epicentre is some 2 degrees south of the felt area, in a populated region where the tremor was not felt. D"
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
1927    49.00  124.00        Bull Harbour  B.C.           
MILNE - 1503 MILNE - 1503 - - MILNE - 1503 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
1503  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: 1927 MAY 8. 2 p.m. phi = 49.0 degrees N; lambda = 124.0 degrees W. ISS.* Again Bull Harbour, Alert Bay, and Ocean Falls as well as Port Hardy felt a tremor. The ISS epicentre is some 2 degrees south of the felt area, in a populated region where the tremor was not felt. D
 


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