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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 #594 - Summary, and parameter estimates with source IDs                                           
The source of this information is indefinite. Bradford says: "The inhabitants of Sultan and the surrounding country insist that there was a shock of severity about the time of the great earthquake in Japan of that year. ...The writer found testimony to this effect consistent over a large territory." A search of newspapers for the month of July, 1923 found no mention of such an event. Newspapers reviewed included the Seattle PI and Times, the Arlington Times, the Monroe Monitor, the Snohomish Tribune, and the Everett Herald.
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
1923          47.80  121.80        Sultan  WA           
BRAD - 330 USEQS - 962 - - BRAD - 330 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
2459  Washington Public Power Supply System, "WPPSS Nuclear Project No. 2, Final Safety Analysis Report, Volume 1, Amendment 18"
September 1981 
1981  Table 2.5-6 
Transcription: 1923 Sep Sultan, Wash. 47.8 121.8
 
Source ID Publication Pub Date Pub Details
1021  U. S. Dept. of Commerce, 1973, Earthquake History of the United States, V. 41-1, revised ed., pp. 89-96  1973   
Transcription: 1923. September (?). Sultan, Wash. Indefinite reports of a strong earthquake. No accurate details, but general agreement as to occurrence and wide felt area.
 
Source ID Publication Pub Date Pub Details
962  U. S. Dept. of Commerce, 1973, Earthquake History of the United States, V. 41-1, revised ed., pp. 89-96  1973   
Transcription: 1923 Sept. (?) Sultan, Wash 47.8 121.8 (1) - 3-25
 
Source ID Publication Pub Date Pub Details
171  Rasmussen, Norman, 1967, Washington state earthquakes 1840 through 1965, BSSA V. 57, No. 3, pp. 463-476  1967   
Transcription: 171 1923 Sept. ? - 47.8 N, 121.8 W 1 felt
 
Source ID Publication Pub Date Pub Details
330  Bradford, Donald C., 1935, Seismic History of the Puget Sound Basin, BSSA, V. 25, No. 2, pp. 138-153  1935   
Transcription: 1923 September (?). The inhabitants of Sultan and the surrounding country insist that there was a shock of severity about the time of the great earthquake in Japan of that year. The earthquake of July 18. 1932, was, according to them, the most severe since the 1923 disturbance. The writer found testimony to this effect consistent over a large territory.
 
Source ID Publication Pub Date Pub Details
1867  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: 192309 0000000 47800-121800 CA 01
 


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