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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 #431 - Summary, and parameter estimates with source IDs                                           
This earthquake was first cataloged by Berg and Baker, citing the Oregonian, which says it was felt in tall buildings.
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
1910  45    45.53  122.62        Portland  OR           
N-Ore - 1977 WWC - 1772 - - BB - 1340 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
1977  Oregonian  1910  February 7, 1910; pg 18, col 1 
Transcription: Portland Feels Shock
Trembler is Noticeable in Tall Office Buildings of City
A slight earthquake shock was felt in Portland about 4:45 PM yesterday. It was of brief [duration]. "The quake seemed to consist of a sharp almost vertical jolt, followed by two milder w[aves]"
 
Source ID Publication Pub Date Pub Details
2083  Leslie M. Scott, Memoranda of the Files of the Oregonian 1850-1910, Oregon Historical Society  1910  Unpublished index to the Oregonian 
Transcription: at Portland, 4:23 p.m. Dec. 30, 1909; 4:45 p.m. Feb. 7, 1910; 4 p.m., Feb. 15, 1910; Mar. 22, 1914
 
Source ID Publication Pub Date Pub Details
1772  Woodward Clyde Consultants, unpublished  1981  Woodward-Clyde Consultants (1981), Historical Catalog (1841-1980) for the Pacific Northwest Region, unpublished catalog prepared for the Washington Public Power Supply System.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: 191002 80045000 45535-122620W R 01
 
Source ID Publication Pub Date Pub Details
111  Rasmussen, Norman, 1967, Washington state earthquakes 1840 through 1965, BSSA V. 57, No. 3, pp. 463-476  1967   
Transcription: 111 1910 Feb. 8 00:45 Portland, Ore. 3 felt
 
Source ID Publication Pub Date Pub Details
1983  Oregonian  1910  Feb 8, 1910; pg 18, col 1 
Transcription: Portland Feels Shock
Trembler is Noticeable in Tall Office Buildings of City
A slight earthquake shock was felt in Portland about 4:45 PM yesterday. It was of brief duration and was noticed chiefly in tall office buildings.
"The quake seemed to consist of a sharp almost vertical jolt, followed by two milder waves," said John McNulty, nautical expert in charge of the local branch of the U.S. Hydrographic Office, in discussing the trembler. "Its trend was north and south, magnetic, according to the compass in my office. Apparently, from the nature of the shocks, Portland is very close to the epi-central, as the spot directly over the disturbance was located, or to compute the force of the shock."
Other reports received by The Oregonian agreed with Mr. McNulty's regarding the time and duration of the shock.
 
Source ID Publication Pub Date Pub Details
1340  Berg and Baker, 1963, Oregon Earthquakes, 1841 through 1958, BSSA, V. 53, No. 1, pp. 95-108  1963   
Transcription: 1910 Feb 8 00:45:-- Feb 7 4:45 pm (PST) Portland - 7
 
Source ID Publication Pub Date Pub Details
2449  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: 1909 Aug 17 Dayton, Wash. Earthquake TA
1910 Feb 7 Portland Ore. R
 


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