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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 #132 - Summary, and parameter estimates with source IDs                                           
C.G. Rockwood reports that this event was felt by a vessel at sea off the coast of Oregon. It is not known whether it was felt on-shore.
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
1876  16  15  41.91  126.41        Southern  OR           
CGR - 1204 TA-OR - 488 - - TA-OR - 488 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
488  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: 1876 August 16. 1:15 p.m. Latitude 41 degrees 55' north, longitude 126 degrees 25' west, off the southern part of Oregon. Heavy.-CGR. [Am. Jour. Sci. 3d ser., 15, 21. It is not certain that this shock was felt in Oregon.]
 
Source ID Publication Pub Date Pub Details
1204  The American Journal of Science and Arts  1878  Vol. XV, Nos. 85-90, January to June, 1878, pp. 21,25 
Transcription: Rockwood, C. G. "Notices of Recent American Eartkquakes", THE AMERICAN JOURNAL OF SCIENCE AND ARTS, VOL. XV., Nos. 85-90, January to June, 1878, pp. 21,25.

August 16, 1876 - At 1:15 P. M. the bark Forest Queen experienced a heavy shock of fifteen seconds duration in lat. 41 degrees 55' N., long. 126 degrees 25' W., off the southern part of Oregon (U. S. Signal Service).

October 12 - Quite severe shocks were felt in oregon, occurring in Portland at 1:53 P. M., two shocks being noticed; at Marshfield, Clackamas County, at 1:45 P. M.; and at Cascades at 1:52 P. M. (Another shock was felt at Cascades at 9 A. M.). The vibrations were in each case from north to south and were sufficiently violent to overthrow chimneys.

October 26 - Between 5 and 6 P. M. the schooner Leo felt a severe earthquake shock, continuing about ten seconds, in lat. 43 Degrees 13' N., long. 128 degrees W., the vessel being 300 or 400 miles from the coast of Oregon.
 
Source ID Publication Pub Date Pub Details
346  Byerly, Perry, 1952, Pacific Coast Earthquakes, Condon Lecture, pp. 33-38  1952  U.W. Library, N979 B991p, Special Collections) 
Transcription: 1876, August 16 41 degrees 55 minutes N, 126 degrees 25 minutes W. (Off coast of southern Oregon). Heavy. It is not certain that this shock was felt in Oregon.
 


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