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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 #603 - Summary, and parameter estimates with source IDs                                           
Newspapers needed.
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
1924  25  12  47.59  122.33        Seattle  WA  III  RF       
TAWA - 1178 WWC - 1872 - - TAWA - 1178 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
1872  Woodward Clyde Consultants, unpublished  1981  Woodward-Clyde Consultants (1981), Historical Catalog (1841-1980) for the Pacific Northwest Region, unpublished catalog prepared for the Washington Public Power Supply System.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: 192404250803000 47597-122330W III R 3 01
 
Source ID Publication Pub Date Pub Details
174  Rasmussen, Norman, 1967, Washington state earthquakes 1840 through 1965, BSSA V. 57, No. 3, pp. 463-476  1967   
Transcription: 174 1924 Apr. 25 08:03 Seattle III 4
 
Source ID Publication Pub Date Pub Details
332  Bradford, Donald C., 1935, Seismic History of the Puget Sound Basin, BSSA, V. 25, No. 2, pp. 138-153  1935   
Transcription: 1924 April 25, 12:03 a.m.; Seattle; sharp.
 
Source ID Publication Pub Date Pub Details
1178  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: 1924 April 25. 12:03 a.m. III. Seattle. Most severe for many years (?). No damage. Duration five seconds, felt by many.-BSSA, 14, 171; MWR, 52, 242. The time is given as 12:03 p.m. in MWR.
 
Source ID Publication Pub Date Pub Details
2191  Bulletin of the Seismological Society of America  1924  V. 14, p. 171 
Transcription: Seattle, Washington, April 25, 1924.- A severe earthquake was felt in Seattle at 12:03 a.m., April 25, 1924. Residents pronounced it the most severe tremor in this district for many years. No damage has been reported.
 
Source ID Publication Pub Date Pub Details
798  Reid, unpub., Scrapbook and Cardfile, on microfilm at USGS in Menlo Park     
Transcription: Seattle PST 12:02 pm 25 Apr, 1924 GMT 20h 02m IV -MWR; Georg disp.
 
Source ID Publication Pub Date Pub Details
2320  Monthly Weather Review  1924  V. 52, p. 242 
Transcription: Date: April 25, 1924
Time (Greenwich Civil): 20:02
Location: Seattle, Wash.
Latitude (deg., min.): 47 38
Longitude (deg.,min.): 122 20
RF Intensity: 3
Number of Shocks: 1
Duration (sec.): 5
Sounds: None
Remarks: Felt by many
Observer:M.B. Summers
 


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