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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 #75 - Summary, and parameter estimates with source IDs                                           
Previously uncataloged. From the account of the 1868 surveying party of Daniel G. Major on OR-CA border: He reported several earthquakes, "that of August 27th, at 8.45 a.m., being so violent as to stop the box chronometer and disturb the instrumental adjustments."
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
1868  27  45              OR-CA borde             
MISC - 2206 - - - MISC - 2206 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
2206  Oregon Historical Quarterly  1971  A Major Monument: Oregon-California Boundary", Francis S. Landrum, V. LCXXII, No. 1, p. 28 
Transcription: (1868- referring to the surveying party of Daniel G. Major on OR-CA border RSL, 1995)

The moon was not the only body in the universe causing Major's party difficulty. He reported several earthquakes, "that of August 27th, at 8.45 a.m., being so violent as to stop the box chronometer and disturb the instrumental adjustments."
 


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