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SUMMARY OF HELENA 1935 EARTHQUAKE

For each earthquake there is a detailed listing of the information available: newspaper articles, headlines, photographs, individual accounts, and excerpts from publications. The category of information that each source provides is also listed.

Name:                    Helena, MT     
Local Date (Time):       Oct 18, 1935  (9:48 p.m.)
GMT Date (Time):         Oct 19, 1935  (0448)
Location:                ~ 15 mi. N of Helena, MT
Epicenter:               46 48.00   112 00.00   [6]
Magnitude:               6 1/4  [6]
Intensity:               VIII  [7]
Felt Area:               570,000 Sq. Kilometers [7]

Significant foreshocks/aftershocks: Name: Helena, MT Local Date (Time): Oct 12, 1935 (12:50 a.m.) GMT Date (Time): Oct 12, 1935 (0750) Location: ~ 15 mi. N of Helena, MT Epicenter: 46 37.20 111 58.20 [6] Magnitude: 5.9 [6] Intensity: VII [7] Felt Area: 181,000 Sq. Kilometers [7] Name: Helena, MT Local Date (Time): Oct 31, 1935 (11:37 a.m.) GMT Date (Time): Oct 31, 1935 (1837) Location: near East Helena, MT Epicenter: 46 37.20 111 58.20 [6] Magnitude: 6 [6] Intensity: VIII [7] Felt Area: 315,000 Sq. Kilometers [7] Name: Helena, MT Local Date (Time): Nov 28, 1935 (7:41 a.m.) GMT Date (Time): Nov 28, 1935 (1441) Location: near Helena, MT Epicenter: 46 36.00 112 00.00 [6] Magnitude: 5.5 [6] Intensity: VI [7] Felt Area: 233,000 Sq. Kilometers [7]

Numbers in brackets indicate source of information. See Reference List

Click here for an explanation of Local/GMT Date, Epicenter/Location, Intensity, Felt Area, Foreshock/Aftershock.

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Newspaper Accounts

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  Helena Independent (MT)--Articles  1-49        

  Helena Independent (MT)--Articles  50-99     

  Helena Independent (MT)--Articles  100-149   

  Helena Independent (MT)--Articles  150-199   

  Helena Independent (MT)--Articles  200-249

  Helena Independent (MT)--Articles  250-299   

  Helena Independent (MT)--Articles  300-351

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Photographs Available

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     Description:     Building on Main St.; Helena MT where 1 death occurred
     Source:          Montana Historical Society and MT Bureau of Mines and Geology
     Info Categories: B, P

     Description:     Bryant Elementary School; Helena, MT after October 18th
     Source:          MT Bureau of Mines and Geology
     Info Categories: B

     Description:     Bryant Elementary School; Helena, MT after October 31st aftershock
     Source:          Montana Historical Society and Montana Bureau
     Info Categories: B

     Description:     Intermountain College Mills Hall
     Source:          Montana Bureau of Mines and Geology
     Info Categories: B

     Description:     Walker's Garage
     Source:          Montana Bureau of Mines and Geology
     Info Categories: B

     Description:     H. Earl Clark Filling Station
     Source:          Montana Bureau of Mines and Geology
     Info Categories: B

     Description:     Two heavily damaged homes
     Source:          Montana Bureau of Mines and Geology
     Info Categories: B

     Description:     Home with collapsed walls, floor, chimney and porch
     Source:          Montana Bureau of Mines and Geology
     Info Categories: B

     Description:     National Biscuit Company Factory
     Source:          Montana Bureau of Mines and Geology
     Info Categories: B

     Description:     New Helena High School after Oct. 31st aftershock
     Source:          Montana Bureau of Mines and Geology
     Info Categories: B

     Description:     Interior of the new Helena High School after October 31 main shock
     Source:          Montana Bureau of Mines and Geology
     Info Categories: B

     Description:     New Helena High School after Oct. 31st aftershock 
     Source:          Montana Bureau of Mines and Geology
     Info Categories: B

     Description:     Failure of brick-veneer walls, Helena, MT 
     Source:          Montana Bureau of Mines and Geology
     Info Categories: B

     Description:     Ground cracks and sand deposits at south end of Lake Stanchfield
     Source:          Montana Bureau of Mines and Geology
     Info Categories: G

     Description:     Collapsed building due to failure of masonry walls; Helena, MT
     Source:          Montana Bureau of Mines and Geology
     Info Categories: B

     Description:     Business district near Northern Pacific Depot; Helena, MT
     Source:          Montana Historical Society
     Info Categories: B

     Description:     A train car of liquor crushed by falling warehouse wall; Helena, MT
     Source:          Montana Historical Society
     Info Categories: B

     Description:     Furniture and belongings moved to lawn of severely damaged home; Helena, MT
     Source:          Montana Historical Society
     Info Categories: B

     Description:     One family's temporary shelter; Helena, MT
     Source:          Montana Historical Society
     Info Categories: A, P

     Description:     Tents set up at Camp Cooney for Helena earthquake refugees
     Source:          Montana Historical Society
     Info Categories: B

     Description:     Kessler Brewery after October 31st aftershock; Helena, MT 
     Source:          Montana Historical Society
     Info Categories: B

     Description:     Streets of Helena filled with National Guard vehicles
     Source:          Montana Historical Society
     Info Categories: A

     Description:     Severely damaged two-story home; Helena, MT
     Source:          Montana Historical Society
     Info Categories: B

     Description:     Damaged Montana Deaconess School; Helena, MT
     Source:          Montana Historical Society
     Info Categories: B

     Description:     Quigley home with hole in the roof made by falling chimney; Helena MT
     Source:          Montana Historical Society
     Info Categories: B

     Description:     Temporary headquarters of police station; Helena, MT 
     Source:          Montana Historical Society
     Info Categories: A, P

     Description:     Two-story Reinig duplex with fallen front walls and porch; Helena, MT
     Source:          Montana Historical Society
     Info Categories: B

     Description:     Reinig home being rebuilt after the earthquake; Helena, MT
     Source:          Montana Historical Society
     Info Categories: B, R

     Description:     U.S. Armory; Helena, MT
     Source:          Montana Bureau of Mines and Geology
     Info Categories: B

     Description:     Cartoon from The Helena Independent depicting courage to overcome hardships
     Source:          Helena Independent newspaper
     Info Categories: A

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Individual Accounts Available

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     Description:      Concise overview of what happened illustrated with many personal accounts
     Author:           James, Alison
     Info Categories:  A, B, E, I, P, R

     Description:      Student at Intermountain Union College, attending school dance when earthquake occurred
     Author:           Meloy, Harriet
     Info Categories:  B, E, I, P

     Description:      Family's experiences in all of the 1935 earthquakes
     Author:           Buck, Fred

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Additional Sources of Information Available

      
     Title:               Earthquakes in Montana
     Publication:         Seismicity of the United States, 1568-1989 (Revised)
     Info Categories:     B, G, I, P

     Title:               The Montana Earthquakes of 1935
     Publication:         The Montana Earthquakes of 1935; Memoir No. 16
     Info Categories:     B, G, R

     Title:               Earthquakes: Terrors of Nature
     Publication:         Montana Standard Newspaper, Nov. 10, 1935 edition
     Info Categories:     S

     Title:               Report on Helena Earthquake
     Publication:         Unpublished report for U.S. Coast and Geodetic Survey
     Info Categories:     B, G

     Title:               Supplement to Report on the Helena Earthquakes with Special Emphasis on the Earthquake of October 31, 1935
     Publication:         Unpublished report for U.S. Coast and Geodetic Survey
     Info Categories:     E, G, I, P, S


     Title:               Helena Earthquakes
     Publication:         Bulletin of the Seismological Society of America (1936); Vol. 26, No.4; 
     Info Categories:     B, E, G, S

     Title:               The Montana Earthquakes of October, 1935: Structural Lessons
     Publication:         Bulletin of the Seismological Society of America (1936); Vol. 26, No.2; 
     Info Categories:     B, E

     Title:               Tombstones Give Clews to Earthquake Danger Zones
     Publication:         Popular Science Monthly (April 1936); Vol. 128
     Info Categories:     G, N

     Title:               The Earthquakes of 1935 and The Helena, Montana, Water System
     Publication:         J.A.W.W.A.; Vol. 28, No.7
     Info Categories:     G, L, N

     Title:               Power Block Earthquake Reconstruction
     Publication:         Montana Record-Herald Newspaper, Jan. 18, 1936 edition
     Info Categories:     B, R

     Title:               Montana Earthquakes
     Publication:         Montana Earthquakes
     Info Categories:     A, B, E, G, I, N, P, R

     Title:               The QUAKES of  '35 (60 years ago this month)
     Publication:         The Independent Record Newspaper, Oct. 29, 1995 edition
     Info Categories:     A, B, E, P

     Title:               Reason To Remodel, Earthquakes Changed Helena's Victorian Face
     Publication:         The Independent Record Newspaper, Oct. 29, 1995 edition
     Info Categories:     B
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