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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 #428 - Summary, and parameter estimates with source IDs                                           
Previously uncataloged - from the Oregonian: "... Kalama, Wash., Aug 20--(Special)--Five distinct earthquake shocks were felt here shortly after 1 o'clock this morning, according to the night telegraph operator in the Northern Pacific railroad office here..."
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
1909  20                Kalama  OR           
N-Ore - 1975 - - - N-Ore - 1975 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
2082  Leslie M. Scott, Memoranda of the Files of the Oregonian 1850-1910, Oregon Historical Society  1910  Unpublished index to the Oregonian 
Transcription: at Kalama, 5 shocks, 1 a.m. Aug. 20, 1909
 
Source ID Publication Pub Date Pub Details
1975  Oregonian  1909  August 21, 1909; pg 1, col 4 
Transcription: Kalama has Earthquake
Shocks Believed to be Due to Disturbance at Mt St Helens
Kalama, Wash., Aug 20--(Special)--Five distinct earthquake shocks were felt here shortly after 1 o'clock this morning, according to the night telegraph operator in the Northern Pacific railroad office here.
Kalama people are included to believe the shocks are due to subterranean disturbances in the vicinity of Mt St Helens.
 


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