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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 #290 - Summary, and parameter estimates with source IDs                                           
Known from the Spokane Spokesman Review, which says:"Earthquake shock at Helena Earth Oscillated for Three Minutes - No Damage Done - Helena, Sept. 5. -- A shock of earthquake was experienced here at 12:15 this morning. It lasted about three minutes, and was distinctly felt all over the city. No report of damage has so far been received.
FELT AT BUTTE -Butte, Mt., Sept. 5. -- Distinct shocks of earthquake were felt here and at Helena and Great Falls at 12:25 this morning. At Helena the shocks were very distinct. People rushed from hotels and buildings and much excitement was caused."
In "Montana Earthquakes, 1869-1879" (Qamar and Stickney, Montana Bureau of Mines and Geology Memoir 51), the Great Falls "Tribune" is cited as a source for this event.
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
1895  12  15              Helena, Montana  MT           
N-WA - 2101 - - - N-WA - 2101 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
2101  Spokesman Review  1895  Fri. Sept. 6, 1895, p. 1, c. 4 
Transcription: Earthquake shock at Helena Earth Oscillated for Three Minutes - No Damage Done.
Helena, Sept. 5. -- A shock of earthquake was experienced here at 12:15 this morning. It lasted about three minutes, and was distinctly felt all over the city. No report of damage has so far been received.
FELT AT BUTTE
Butte, Mt., Sept. 5. -- Distinct shocks of earthquake were felt here and at Helena and Great Falls at 12:25 this morning. At Helena the shocks were very distinct. People rushed from hotels and buildings and much excitement was caused.
 


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