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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 #575 - Summary, and parameter estimates with source IDs                                           
This earthquake was described as "distinct" by Townley and Allen who cite ' Seismological Diapatches of Georgetown University' (not in the database). Berg and Baker cite Townley and Allen, and assigned MM Intensity III to this event. 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
1922  12  12          45.66  118.79        Pendleton  OR           
TA-OR - 549 WWC - 1860 - - TA-OR - 549 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
404  Byerly, Perry, 1952, Pacific Coast Earthquakes, Condon Lecture, pp. 33-38  1952  U.W. Library, N979 B991p, Special Collections) 
Transcription: 1922, December 12 Pendleton district. Distinct.
 
Source ID Publication Pub Date Pub Details
1860  Woodward Clyde Consultants, unpublished  1981  Woodward-Clyde Consultants (1981), Historical Catalog (1841-1980) for the Pacific Northwest Region, unpublished catalog prepared for the Washington Public Power Supply System.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: 19221212 45669-118790W III BB 3 01
 
Source ID Publication Pub Date Pub Details
641  Reid, unpub., Scrapbook and Cardfile, on microfilm at USGS in Menlo Park     
Transcription: Helix 45 degrees 45' N; 118 degrees 30' W PST 12 Dec, 1922 3 distinct shocks III-IV Georg. desp. Nothing more.
 
Source ID Publication Pub Date Pub Details
549  Townley, S.D. and M.W. Allen, 1939, Descriptive Catalog of earthquakes of the Pacific Coast of the United States 1769 to 1928, Chapter II, Earthquakes in Oregon--1846-1928, BSSA, V. 29, No. 1, pp. 253-258.  1939   
Transcription: 1922 December 12. Pendleton district. Distinct.-SDGU.
 
Source ID Publication Pub Date Pub Details
1367  Berg and Baker, 1963, Oregon Earthquakes, 1841 through 1958, BSSA, V. 53, No. 1, pp. 95-108  1963   
Transcription: 1922 - - Dec 12 - Pendleton District III 10
 


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