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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 #138 - Summary, and parameter estimates with source IDs                                           
Previously uncataloged. Described as a " slight shock of an earthquake ... distinctly felt up the Skykomish". Known only from a single newspaper report from the Snohomish Northern Star.
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
1877  7  26  12  1  A  L            Skykomish  WA           
N-WA - 2570 - - - N-WA - 2570 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
2570  Northern Star  1877  July 28, 1877. p. 5, c. 1, in "Local Items" column; known from U.W. Library, Pacific Northwest Collection card catalog. 
Transcription: EARTHQUAKE Soon after midnight Thursday morning a slight shock of an earthquake was distinctly felt up the Skykomish. It was barely perceptible here, came from the south east. Probably it was heavier in Northern Montana and Idaho.
 


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