Cascadia Catalog 1793-1930

	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 #553 - Summary, and parameter estimates with source IDs
Listed only by Milne; this earthquake was felt in the Queen Charlotte Islands. "No damage was reported, although pictures on the wall were made to swing."
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	5	40	A	L	54.00	134.00		6.50	G	Masset	B.C.
MILNE - 1462							MILNE - 1462		-	MILNE - 1462		MILNE - 1462				-

Source ID	Publication	Pub Date
1462	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. 5:40 a.m. phi = 54 degrees N; lambda = 134 degrees W; M = 6 1/2. G. An earthquake was felt at Masset on the Queen Charlotte Islands. No damage was reported, although pictures on the wall were made to swing.