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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 #641 - Summary, and parameter estimates with source IDs                                           
Very unusual event. Newspaper accounts would be helpful.
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  3  27  11  56  P  P  46.10  124.10        Northhead  WA  IV  MM       
TAWA - 1191 WWC - 1891 - - RAS - 186 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
1891  Woodward Clyde Consultants, unpublished  1981  Woodward-Clyde Consultants (1981), Historical Catalog (1841-1980) for the Pacific Northwest Region, unpublished catalog prepared for the Washington Public Power Supply System.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: 192703280756000 46100-124100 IV R 4 01
 
Source ID Publication Pub Date Pub Details
186  Rasmussen, Norman, 1967, Washington state earthquakes 1840 through 1965, BSSA V. 57, No. 3, pp. 463-476  1967   
Transcription: 186 1927 Mar. 28 07:56 North Head IV 4 probably off southern Washington coast
 
Source ID Publication Pub Date Pub Details
1191  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: 1927 March 27. 11:56 p.m. Probably a submarine shock off the southern Washington coast. Recorded instrumentally at Ottawa, Fordham, Honolulu, Chicago, etc. Felt by many from Northhead to Raymond, Pacific Co., awakening people. Much seaweed washed ashore next day. Reported at Ilwaco, and South Bend, Pacific Co.- SRC& GS.
 
Source ID Publication Pub Date Pub Details
339  Bradford, Donald C., 1935, Seismic History of the Puget Sound Basin, BSSA, V. 25, No. 2, pp. 138-153  1935   
Transcription: 1927 March 27, 11:57 p.m.; Northhead; houses rocked; no damage; also felt at South Bend and Raymond.
 


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