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 #620 - Summary, and parameter estimates with source IDs
In Washington, Townley and Allen report this earthquake felt at "Bellingham and Marietta, Whatcom Co. At Marietta a gradual rocking for three seconds" and cite the 'Seismological Reports of the US Coast and Geodetic Survey' . Milne says: "The distance from the Victoria seismograph station to the origin of this earthquake was estimated as 6 miles, although it is likely the epicentre was under Haro Strait. Bellingham and Victoria both report a rumbling noise accompanying the tremor. No tremor was felt at Vancouver or New Westminster. Col."
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
1925	11	26	1	40	A	L	48.50	123.25				Haro Strait	WA	III	MM
MILNE - 1494							WWC - 1877		-	-		RAS - 179				-

Underlying Source Material

Source ID	Publication	Pub Date	Pub Details
179	Rasmussen, Norman, 1967, Washington state earthquakes 1840 through 1965, BSSA V. 57, No. 3, pp. 463-476	1967
Transcription: 179 1925 Nov. 26 21:40 Haro Strait III 4

Source ID	Publication	Pub Date	Pub Details
1494	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: 1925 NOVEMBER 26. 1:40 a.m. III. The distance from the Victoria seismograph station to the origin of this earthquake was estimated as 6 miles, although it is likely the epicentre was under Haro Strait. Bellingham and Victoria both report a rumbling noise accompanying the tremor. No tremor was felt at Vancouver or New Westminster. Col.

Source ID	Publication	Pub Date	Pub Details
336	Bradford, Donald C., 1935, Seismic History of the Puget Sound Basin, BSSA, V. 25, No. 2, pp. 138-153	1935
Transcription: 1925 November 26, 1:40 p.m.; Victoria, B.C.; slight shock within six miles of Victoria; rumbling felt at Bellingham and Marietta.

Source ID	Publication	Pub Date	Pub Details
1877	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: 192511262140000 48500-123250W III R 3 01

Source ID	Publication	Pub Date	Pub Details
1184	Townley, S. D. and M. W. Allen, 1939, Descriptive Catalog of Earthquakes of the Pacific Coast of the United States 1769-1928, Chap. III Earthquakes in Washington, 1883-1928, BSSA, V. 29, No. 1, pp. 259-268	1939
Transcription: 1925 November 26. 1:40 p.m. III? Bellingham and Marietta, Whatcom Co. At Marietta a gradual rocking for three seconds. Felt at Victoria; focus reported under Haro Strait. SRC&GS; SDGU.