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 #328 - Summary, and parameter estimates with source IDs
There are two sources of information for this event. Milne's catalog states: "An earthquake was felt slightly in Vancouver, New Westminster, and Aldergrove." The Chilliwack Progress (from the WPPSS, Preliminary Safety Analysis Report, Ammendment 23, WPPSS Nuclear Project No. 1, 1300 MW Nuclear Power Plant, Vol. 2A) says: "A mild shock of earthquake visited the valley last evening shortly after eight o'clock. There was a loud rumbling and four or five distinct vibrations were felt. Buildings were slightly shaken and loose articles rattled as with a heavy jar. The shock was noticed by large numbers of people throughout the valley."
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
1900	1	30			P	L						Vancouver	B.C.
MILNE - 1424							-		-	-		MILNE - 1424				-

Source ID	Publication	Pub Date	Pub Details
2393	Washington Public Power Supply System, Preliminary Safety Analysis Report, Ammendment 23, WPPSS Nuclear Project No. 1, 1300 MW Nuclear Power Plant, Vol. 2A.	1977	Tables 2R-E16 and 2R-E14B. Chilliwack Progress, The, Chilliwack, B.C., January 31, 1900
Transcription: Jan 30, 1900 CHILLIWACK PROGRESS, THE 01/31/1900 Chilliwack Progress, The, Chilliwack, B.C., January 31, 1900 "A Young Earthquake "A mild shock of earthquake visited the valley last evening shortly after eight o'clock. There was a loud rumbling and four or five distinct vibrations were felt. Buildings were slightly shaken and loose articles rattled as with a heavy jar. The shock was noticed by large numbers of people throughout the valley."

Source ID	Publication	Pub Date	Pub Details
1424	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: 1900 JANUARY 30. p.m. An earthquake was felt slightly in Vancouver, New Westminster, and Aldergrove. Col.