sábado, 5 de novembro de 2011

11599 - HE CALIFORNIA EARTHQUACKE OF APRIL 18, 1906

San Francisco : History
1906 San Francisco Earthquake and Fire

image credit 1906 San Francisco Earthquake and Fire
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5:12 AM April 18, 1906


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The Basics The California earthquake of April 18, 1906 ranks as one of the most significant earthquakes of all time. Today, its importance comes more from the wealth of scientific knowledge derived from it than from its sheer size --The Great 1906 San Francisco Earthquake
Deaths: > 3,000

Injuries: ~225,000
Property Damage: $ 400,000,000 in 1906 $$$
--FAQ @UC Berkeley Seismographic Station
The ground had broken open for more than 270 miles along a great fault - the San Andreas rift. The country on the east side of the rift had moved southward relative to the country on the west side of the rift. The greatest displacement had been 21 feet about 30 miles northwest of San Francisco --Introduction from the Carnegie Report

The quake lasted only a minute but caused the worst natural disaster in the nation's history. Modern analysis estimates it registered 8.25 on the Richter scale (By comparison, the quake that hit San Francisco on October 17, 1989 registered 6.7). -The San Francisco Earthquake, 1906 -EyeWitness from Ibis Communications - note: a writer pointed out that a hurricane on Galveston Island, Texas, in 1900 killed more than 6,000 people and is also claimed to be "The worst natural disaster in U.S. history."

The Fire
Area destroyed by fire of April 18-21, 1906

From the San Francsico Examiner, May 13, 1906

Chinatown In 1906, the destruction of Chinatown by fire was considered a great blessing of the Earthquake. Many felt it should have burned long before. Said the Overland Monthly, "Fire has reclaimed to civilization and cleanliness the Chinese ghetto, and no Chinatown will be permitted in the borders of the city.... it seems as though a divine wisdom directed the range of the seismic horror and the range of the fire god. Wisely, the worst was cleared away with the best." Chinatown in Hunters Point? by Ralph Henn

See also, Earthquake and Fire Newspaper Clippings at sfmuseum

View of the destruction brought about by the San Francisco Earthquake, 1906
This is a composite panorama, meaning that it is pieced together from four separate images to give a panoramic effect. The photographer is unknown, though it may have been taken by the Army Signal Corps. It is printed on silver gelatin paper. The entire size of the image is 37" x 8".
Records of the Office of the Chief Signal Officer (Army) (111-AGF-1-A>D)
[source]

San Francisco City Hall [big image]
Third and Market Street

EARTHQUAKE AND FIRE by Arnold Genthe
Images ...

Database of photographs at: Steinbrugge Collection, Earthquake Engineering Research Center, University of California, Berkeley.
1906 San Francisco Earthquake Thumbnails - archives of James B. Macelwane
1906 Earthquake Stereo Postcards
Lists of image links ...

Where can I find photographs of earthquake damage? - FAQ @UC Berkeley Seismographic Station
Photos of the Great 1906 San Francisco Earthquake [usgs.gov]
References:

The Earth Shook, the Sky Burned : A Photographic Record of the 1906 San Francisco Earthquake and Fire, by William Bronson (1997) [amazon]

Denial of Disaster: The Untold Story and Photographs of the San Francisco Earthquake and Fire or 1906, by Gladys Hansen, Emmet Condon, David Fowler Cameron and Co., San Francisco, 160 p. (1989) [amazon]

Wald, D.J., Kanamori, Hiroo, Helmberger, D.V., and Heaton, T.H., Source study of the 1906 San Francisco Earthquake: Bulletin of the Seismological Society of America, vol.83, no. 4, p. 981-1019, August 1993

Bay Area Shaking Hazard Maps [ABAG]
The San Andreas Fault and the San Francisco Bay Area
1906 References @USGS
The Great 1906 Earthquake And Fire - Table of Contents of sfmuseum pages
Before and After the Great Earthquake and Fire: - Early Films of San Francisco, 1897-1916 - Library of Congress



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