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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 #554 - Summary, and parameter estimates with source IDs                                           
Listed only by Milne: " Aftershock of preceding tremor at Masset."
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
1921  4  10  11    A  L            Masset  B.C.           
MILNE - 1463 - - - MILNE - 1463 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
1463  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: 1921 APRIL 10. 11 a.m Aftershock of preceding tremor at Masset.
 


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