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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 #504 - Summary, and parameter estimates with source IDs                                           
The MWR weather observer at Ashford reports a shock of RF Intensity V. All later calalogs cite this source. No newspapers have been researched.
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
1917  28  17    46.80  121.93        Ashford  WA  RF       
MWR - 2246 MWR - 2246 - - MWR - 2246 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
139  Rasmussen, Norman, 1967, Washington state earthquakes 1840 through 1965, BSSA V. 57, No. 3, pp. 463-476  1967   
Transcription: 139 1917 Mar. 28 17:05 46.8 N, 122.0 W V 1
 
Source ID Publication Pub Date Pub Details
2246  Monthly Weather Review  1917  V. 45, p. 130 
Transcription: Date: March 28, 1917
Time (Greenwich Civil): 17:05
Location: Ashford, Washington
Latitude (deg., min.): 46 48
Longitude (deg.,min.): 121 56
RF Intensity: 5
Number of Shocks: 2
Duration (sec.): 2
Sounds: Rumbling
Remarks: Shook Buildings
Observer: J.B. Flett
 
Source ID Publication Pub Date Pub Details
317  Bradford, Donald C., 1935, Seismic History of the Puget Sound Basin, BSSA, V. 25, No. 2, pp. 138-153  1935   
Transcription: 1917 March 28, 9:O5 a.m.; V; southwest slope of Mount Rainier; also at Ashford.
 
Source ID Publication Pub Date Pub Details
773  Reid, unpub., Scrapbook and Cardfile, on microfilm at USGS in Menlo Park     
Transcription: Ashford, of flank of Mt. Rainier 46 degrees 45' N; 122 de- grees 05' W PST 9:05 am 28 Jan, 1917 GMT 17h 05m II-III -Georg. Univ Am Ref (?)
 
Source ID Publication Pub Date Pub Details
774  Reid, unpub., Scrapbook and Cardfile, on microfilm at USGS in Menlo Park     
Transcription: Ashford 46 degrees 48' N; 121 degrees 56' W PST 9:05 am 28 Mar, 1917 GMT 17h 05m V 2 shocks duration 2 seconds -MWR 130 On SW slope of Mt. Rainier.
 
Source ID Publication Pub Date Pub Details
1151  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: 1917 March 28. 9:05 a.m. V. Ashford, Pierce Co. Shook buildings; rumbling.-MWR, 45, 130.
 
Source ID Publication Pub Date Pub Details
1816  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: 191703281705000 46800-122000 V R 5 01
 


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