PNSN Logo
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 #660 - Summary, and parameter estimates with source IDs                                           
Known only from a Penticton Herald article transcribed in the WPPSS documents: "Several residents of Penticton, particularily in the Skaha Lake section, reported a slight earth tremor ... Mr. McDowell states that the 'quake' was like a heavy truck rumbling over a bridge."
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
1928  28                Penticton  B.C.           
N-WPP - 2489 - - - N-WPP - 2489 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
2489  Washington Public Power Supply System, Preliminary
Safety Analysis Report, Ammendment 23,
WPPSS Nuclear Project No. 1, 1300 MW Nuclear Power Plant, Vol. 2A. 
1977  Tables 2R-E17 and 2R-E14C. Penticton Herald, The, Penticton, B.C., March 1, 1928 
Transcription: February 28, 1928 "...slight earth tremor ... like a heavy
truck rumbling over a bridge."
Penticton Herald, The, Penticton, B.C., March 1, 1928

"Earth Tremor was noticed on Tuesday (28 Feb.).

"Several residents of Penticton, particularily in the Skaha Lake
section, reported a slight earth tremor about 5 o'clock on Tuesday
morning.

"Mr. McDowell states that the 'quake' was like a heavy truck rumbling
over a bridge."
 


UW Logo ESS Logo