if you enlarge some of the photos taken of San Francisco after the Earthquake you will notice that almost 100% of the windows are gone. Likely non-safety glass coming down caused many of these deaths during the earthquake. However, I also read that most damage was actually caused by the fires with no water available to put them out in San Francisco because of broken water mains from the earthquake.
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1906 San Francisco earthquake
From Wikipedia, the free encyclopedia
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|Date||April 18, 1906|
|Origin time||05:12 local time|
|Depth||5 mi (8.0 km)|
|Areas affected||North Coast
San Francisco Bay Area
|Max. intensity||XI (Extreme)|
Tectonic settingThe San Andreas Fault is a continental transform fault that forms part of the tectonic boundary between the Pacific Plate and the North American Plate. The strike-slip fault is characterized by mainly lateral motion in a dextral sense, where the western (Pacific) plate moves northward relative to the eastern (North American) plate. The 1906 rupture propagated both northward and southward for a total of 296 miles (476 km). This fault runs the length of California from the Salton Sea in the south to Cape Mendocino in the north, a distance of about 810 miles (1,300 km). The maximum observed surface displacement was about 20 feet (6 m); geodetic measurements show displacements of up to 28 feet (8.5 m).
A strong foreshock preceded the main shock by about 20 to 25 seconds. The strong shaking of the main shock lasted about 42 seconds. There were decades of minor earthquakes – more than at any other time in the historical record for northern California – before the 1906 quake. Widely interpreted previously as precursory activity to the 1906 earthquake, they have been found to have a strong seasonal pattern and have been postulated to be due to large seasonal sediment loads in coastal bays that overlie faults as a result of the erosion caused by hydraulic mining in the later years of the California Gold Rush.
For years, the epicenter of the quake was assumed to be near the town of Olema, in the Point Reyes area of Marin County, because of evidence of the degree of local earth displacement. In the 1960s, a seismologist at UC Berkeley proposed that the epicenter was more likely offshore of San Francisco, to the northwest of the Golden Gate. The most recent analysis by the United States Geological Survey (USGS) shows that the most likely epicenter was very near Mussel Rock on the coast of Daly City, an adjacent suburb just south of San Francisco.[better source needed] An offshore epicenter is supported by the occurrence of a local tsunami recorded by a tide gauge at the San Francisco Presidio; the wave had an amplitude of approximately 3 in (8 cm) and an approximate period of 40–45 minutes.
Impact partly because hundreds of fatalities in Chinatown went ignored and unrecorded. The total number of deaths is still uncertain today, and is estimated to be roughly 3,000 at minimum. Most of the deaths occurred in San Francisco itself, but 189 were reported elsewhere in the Bay Area; nearby cities, such as Santa Rosa and San Jose, also suffered severe damage. In Monterey County, the earthquake permanently shifted the course of the Salinas River near its mouth. Where previously the river emptied into Monterey Bay between Moss Landing and Watsonville, it was diverted 6 miles south to a new channel just north of Marina.
Between 227,000 and 300,000 people were left homeless out of a population of about 410,000; half of those who evacuated fled across the bay to Oakland and Berkeley. Newspapers described Golden Gate Park, the Presidio, the Panhandle and the beaches between Ingleside and North Beach as covered with makeshift tents. More than two years later, many of these refugee camps were still in operation.
|Selected Mercalli intensities|
|XI (Extreme)||San Francisco, Santa Rosa|
|X (Extreme)||Sebastopol, San Bruno|
|IX (Violent)||San Jose, Point Arena|
|VIII (Severe)||Eureka, Salinas|
|VII (Very strong)||Truckee, Parkfield|
|VI (Strong)||Willows, Fresno|
|V (Moderate)||Chico, Paso Robles|
The 1908 Lawson Report, a study of the 1906 quake led and edited by Professor Andrew Lawson of the University of California, showed that the same San Andreas Fault which had caused the disaster in San Francisco ran close to Los Angeles as well. The earthquake was the first natural disaster of its magnitude to be documented by photography and motion picture footage and occurred at a time when the science of seismology was blossoming.
IntensityThe most important characteristic of the shaking intensity noted in Andrew Lawson's (1908) report was the clear correlation of intensity with underlying geologic conditions. Areas situated in sediment-filled valleys sustained stronger shaking than nearby bedrock sites, and the strongest shaking occurred in areas of former bay where soil liquefaction had occurred. Modern seismic-zonation practice accounts for the differences in seismic hazard posed by varying geologic conditions. The shaking intensity as described on the Modified Mercalli intensity scale reached XI (Extreme) in San Francisco and areas to the north like Santa Rosa where destruction was devastating.
DamageAlthough the impact of the earthquake on San Francisco was the most famous, the earthquake also inflicted considerable damage on several other cities. These include San Jose and Santa Rosa, the entire downtown of which was essentially destroyed.
Due to a widespread practice by insurers to indemnify San Francisco properties from fire, but not earthquake damage, most of the destruction in the city was blamed on the fires. Some property owners deliberately set fire to damaged properties, in order to claim them on their insurance. Capt. Leonard D. Wildman of the U.S. Army Signal Corps reported that he "was stopped by a fireman who told me that people in that neighborhood were firing their houses…they were told that they would not get their insurance on buildings damaged by the earthquake unless they were damaged by fire".
Palace Hotel, subsequently rebuilt, which had many famous visitors, including royalty and celebrated performers. It was constructed in 1875 primarily financed by Bank of California co-founder William Ralston, the "man who built San Francisco". In April 1906, the tenor Enrico Caruso and members of the Metropolitan Opera Company came to San Francisco to give a series of performances at the Grand Opera House. The night after Caruso's performance in Carmen, the tenor was awakened in the early morning in his Palace Hotel suite by a strong jolt. Clutching an autographed photo of President Theodore Roosevelt, Caruso made an effort to get out of the city, first by boat and then by train, and vowed never to return to San Francisco. Caruso died in 1921, having remained true to his word. The Metropolitan Opera Company lost all of its traveling sets and costumes in the earthquake and ensuing fires.
Some of the greatest losses from fire were in scientific laboratories. Alice Eastwood, the curator of botany at the California Academy of Sciences in San Francisco, is credited with saving nearly 1,500 specimens, including the entire type specimen collection for a newly discovered and extremely rare species, before the remainder of the largest botanical collection in the western United States was destroyed in the fire. The entire laboratory and all the records of Benjamin R. Jacobs, a biochemist who was researching the nutrition of everyday foods, were destroyed. The original California flag used in the 1846 Bear Flag Revolt at Sonoma, which at the time was being stored in a state building in San Francisco, was also destroyed in the fire.
The fire following the earthquake in San Francisco, cost an estimated $350 million at the time, equivalent to $8.97 billion. The devastating quake levelled about 80% of the city.
ResponseThe city's fire chief, Dennis T. Sullivan, was gravely injured when the earthquake first struck and later died from his injuries. The interim fire chief sent an urgent request to the Presidio, an army post on the edge of the stricken city, for dynamite. General Frederick Funston had already decided that the situation required the use of troops. Telephoning a policeman, he sent word to Mayor Eugene Schmitz of his decision to assist, and then ordered army troops from nearby Angel Island to mobilize and come into the city. Explosives were ferried across the bay from the California Powder Works in what is now Hercules.
On April 18, in response to riots among evacuees and looting, Mayor Schmitz issued and ordered posted a proclamation that "The Federal Troops, the members of the Regular Police Force and all Special Police Officers have been authorized by me to kill any and all persons found engaged in Looting or in the Commission of Any Other Crime". In addition, accusations of soldiers themselves engaging in looting also surfaced.
Early on April 18, 1906, recently retired Captain Edward Ord of the 22nd Infantry Regiment was appointed a Special Police Officer by Mayor Eugene Schmitz and liasioned with Major General Adolphus Greely for relief work with the 22nd Infantry and other military units involved in the emergency. Ord later wrote a long letter to his mother on the April 20 regarding Schmitz' "Shoot-to-Kill" Order and some "despicable" behavior of certain soldiers of the 22nd Infantry who were looting. He also made it clear that the majority of soldiers served the community well.
Political and business leaders strongly downplayed the effects of the earthquake, fearing loss of outside investment in the city which badly needed to rebuild. In his first public statement, California governor George Pardee emphasized the need to rebuild quickly: "This is not the first time that San Francisco has been destroyed by fire, I have not the slightest doubt that the City by the Golden Gate will be speedily rebuilt, and will, almost before we know it, resume her former great activity". The earthquake itself is not even mentioned in the statement. Fatality and monetary damage estimates were manipulated.
Almost immediately after the quake (and even during the disaster), planning and reconstruction plans were hatched to quickly rebuild the city. Rebuilding funds were immediately tied up by the fact that virtually all the major banks had been sites of the conflagration, requiring a lengthy wait of seven-to-ten days before their fire-proof vaults could cool sufficiently to be safely opened. The Bank of Italy had evacuated its funds and was able to provide liquidity in the immediate aftermath. Its president also immediately chartered and financed the sending of two ships to return with shiploads of lumber from Washington and Oregon mills which provided the initial reconstruction materials and surge. In 1929, Bank of Italy was renamed and is now known as Bank of America.
William James, the pioneering American psychologist, was teaching at Stanford at the time of the earthquake and traveled into San Francisco to observe first-hand its aftermath. He was most impressed by the positive attitude of the survivors and the speed with which they improvised services and created order out of chaos. This formed the basis of the chapter "On some Mental Effects of the Earthquake" in his book Memories and Studies.
H. G. Wells had just arrived in New York on his first visit to America when he learned, at lunch, of the San Francisco earthquake. What struck him about the reaction of those around him was that "it does not seem to have affected any one with a sense of final destruction, with any foreboding of irreparable disaster. Every one is talking of it this afternoon, and no one is in the least degree dismayed. I have talked and listened in two clubs, watched people in cars and in the street, and one man is glad that Chinatown will be cleared out for good; another's chief solicitude is for Millet's 'Man with the Hoe.' 'They'll cut it out of the frame,' he says, a little anxiously. 'Sure.' But there is no doubt anywhere that San Francisco can be rebuilt, larger, better, and soon. Just as there would be none at all if all this New York that has so obsessed me with its limitless bigness was itself a blazing ruin. I believe these people would more than half like the situation."
For example, real estate investors and other land owners were against the idea due to the large amount of land the city would have to purchase to realize such proposals. City fathers likewise attempted at the time to eliminate the Chinese population and export Chinatown (and other poor populations) to the edge of the county where the Chinese could still contribute to the local taxbase. The Chinese occupants had other ideas and prevailed instead. Chinatown was rebuilt in the newer, modern, Western form that exists today. The destruction of City Hall and the Hall of Records enabled thousands of Chinese immigrants to claim residency and citizenship, creating a backdoor to the Chinese Exclusion Act, and bring in their relatives from China.
While the original street grid was restored, many of Burnham's proposals inadvertently saw the light of day, such as a neoclassical civic center complex, wider streets, a preference of arterial thoroughfares, a subway under Market Street, a more people-friendly Fisherman's Wharf, and a monument to the city on Telegraph Hill, Coit Tower.
The earthquake was also responsible for the development of the Pacific Heights neighborhood. The immense power of the earthquake had destroyed almost all of the mansions on Nob Hill except for the James C. Flood Mansion. Others that hadn't been destroyed were dynamited by the Army forces aiding the firefighting efforts in attempts to create firebreaks. As one indirect result, the wealthy looked westward where the land was cheap and relatively undeveloped, and where there were better views and a consistently warmer climate. Constructing new mansions without reclaiming and clearing old rubble simply sped attaining new homes in the tent city during the reconstruction.
Reconstruction was swift, and largely completed by 1915, in time for the 1915 Panama–Pacific International Exposition which celebrated the reconstruction of the city and its "rise from the ashes".
Since 1915, the city has officially commemorated the disaster each year by gathering the remaining survivors at Lotta's Fountain, a fountain in the city's financial district that served as a meeting point during the disaster for people to look for loved ones and exchange information.
A 2017 study found that the fire had the effect of increasing the share of land used for nonresidential purposes: "Overall, relative to unburned blocks, residential land shares on burned blocks fell while nonresidential land shares rose by 1931. The study also provides insight into what held the city back from making these changes before 1906: the presence of old residential buildings. In reconstruction, developers built relatively fewer of these buildings, and the majority of the reduction came through single-family houses. Also, aside from merely expanding nonresidential uses in many neighborhoods, the fire created economic opportunities in new areas, resulting in clusters of business activity that emerged only in the wake of the disaster. These effects of the fire still remain today, and thus large shocks can be sufficient catalysts for permanently reshaping urban settings."
ReliefDuring the first few days after news of the disaster reached the rest of the world, relief efforts reached over $5,000,000. London raised hundreds of thousands of dollars. Individual citizens and businesses donated large sums of money for the relief effort: Standard Oil gave $100,000; Andrew Carnegie gave $100,000; the Dominion of Canada made a special appropriation of $100,000 and even the Bank of Canada in Toronto gave $25,000. The U.S. government quickly voted for one million dollars in relief supplies which were immediately rushed to the area, including supplies for food kitchens and many thousands of tents that city dwellers would occupy the next several years. These relief efforts were not enough to get families on their feet again, and consequently the burden was placed on wealthier members of the city, who were reluctant to assist in the rebuilding of homes they were not responsible for. All residents were eligible for daily meals served from a number of communal soup kitchens and citizens as far away as Idaho and Utah were known to send daily loaves of bread to San Francisco as relief supplies were coordinated by the railroads.
Insurance paymentsInsurance companies, faced with staggering claims of $250 million, paid out between $235 million and $265 million on policyholders' claims, often for fire damage only, since shake damage from earthquakes was excluded from coverage under most policies. At least 137 insurance companies were directly involved and another 17 as reinsurers. Twenty companies went bankrupt, and most excluded shake damage claims. Lloyd's of London reports having paid all claims in full, more than $50 million and the insurance companies in Hartford, Connecticut report also paying every claim in full, with the Hartford Fire Insurance Company paying over $11 million and Aetna Insurance Company almost $3 million.
After the 1906 earthquake, global discussion arose concerning a legally flawless exclusion of the earthquake hazard from fire insurance contracts. It was pressed ahead mainly by re-insurers. Their aim; a uniform solution to insurance payouts resulting from fires cause by earthquakes. Until 1910, a few countries, especially in Europe, followed the call for an exclusion of the earthquake hazard from all fire insurance contracts. In the U.S., the question was discussed differently. But the traumatized public reacted with fierce opposition. On August 1, 1909, the California Senate enacted the California Standard Form of Fire Insurance Policy, which did not contain any earthquake clause. Thus the state decided that insurers would have to pay again if another earthquake was followed by fires. Other earthquake-endangered countries followed the California example. The insurance payments heavily affected the international financial system. Gold transfers from European insurance companies to policyholders in San Francisco led to a rise in interest rates, subsequently to a lack of available loans and finally to the Knickerbocker Trust Company crisis of October 1907 which led to the Panic of 1907.
Centennial commemorationsThe 1906 Centennial Alliance was set up as a clearing-house for various centennial events commemorating the earthquake. Award presentations, religious services, a National Geographic TV movie, a projection of fire onto the Coit Tower, memorials, and lectures were part of the commemorations. The USGS Earthquake Hazards Program issued a series of Internet documents, and the tourism industry promoted the 100th anniversary as well.
Eleven survivors of the 1906 earthquake attended the centennial commemorations in 2006, including Irma Mae Weule (May 11, 1899 – August 8, 2008), who was the oldest survivor of the quake at the time of her death in August 2008, aged 109. Vivian Illing (December 25, 1900 – January 22, 2009) was believed to be the second-oldest survivor at the time of her death, aged 108, leaving Herbert Hamrol (January 10, 1903 – February 4, 2009) as the last known remaining survivor at the time of his death, aged 106. Another survivor, Libera Armstrong (September 28, 1902 – November 27, 2007), attended the 2006 anniversary, but died in 2007, aged 105.
Shortly after Hamrol's death, two additional survivors were discovered. William Del Monte, then 103, and Jeanette Scola Trapani (April 21, 1902 – December 28, 2009), 106, stated that they stopped attending events commemorating the earthquake when it became too much trouble for them. Del Monte and another survivor, Rose Cliver, then 106, attended the earthquake reunion celebration on April 18, 2009, the 103rd anniversary of the earthquake. Cliver (October 9, 1902 – February 18, 2012) died in February 2012, aged 109. Nancy Stoner Sage (February 19, 1905 – April 15, 2010) died, aged 105, in Colorado just three days short of the 104th anniversary of the earthquake on April 18, 2010. Del Monte attended the event at Lotta's Fountain on April 18, 2010 and the dinner at John's Restaurant the night before. 107-year-old George Quilici (April 26, 1905 – May 31, 2012) died in May 2012., and 113-year-old Margaret Ruth Newman (September 23, 1901 – July 29, 2015) in July 2015, William Del Monte (January 22, 1906 - January 11, 2016), who died in January 2016 at age 109, was thought to be the last survivor.
In 2005 the National Film Registry added San Francisco Earthquake and Fire, April 18, 1906, a newsreel documentary made soon after the earthquake, to its list of American films worthy of preservation.
In popular culture
- The 1936 movie San Francisco is based on the event.
- Rebuilding San Francisco following the 1906 earthquake destruction is a scenario in the Sim City videogame.
- In the Walt Disney animated film, Big Hero 6, the fictional setting of "San Fransokyo" is intended to be San Francisco in an alternate timeline in which the city was rebuilt by Japanese immigrants following the earthquake, though the premise is never mentioned in the film.
- Arnold Genthe and George R. Lawrence, photographers of the earthquake
- Committee of Fifty (1906)
- Earthquake engineering
- List of earthquakes in 1906
- List of earthquakes in California
- List of earthquakes in the United States
- Keegan, Rebecca (October 24, 2014). "San Fransokyo architects built a new world for Disney's Big Hero 6". Los Angeles Times. Tribune Publishing Company. Retrieved December 10, 2014.
- Double Cone Quarterly, Fall Equinox, volume VII, Number 3 (2004).
- American Society of Civil Engineers (1907). Transactions. Paper No. 1056. The Effects Of The San Francisco Earthquake of April 18th, 1906, on Engineering Constructions: Reports Of A General Committee And Of Six Special Committees Of The San Francisco Association Of Members Of The American Society Of Civil Engineers. Retrieved August 15, 2009.
- Greely, Adolphus W. (1906). Earthquake In California, April 18, 1906. Special Report On The Relief Operations Conducted By The Military Authorities. Washington: Government Printing Office. Retrieved August 15, 2009.
- Gilbert, Grove Karl; Richard Lewis Humphrey; John Stephen Sewell & Frank Soule (1907). The San Francisco Earthquake And Fire of April 18th, 1906 And Their Effects On Structures And Structural Materials. Washington: Government Printing Office. Retrieved August 15, 2009.
- The San Francisco Earthquake And Fire: A Presentation of Facts And Resulting. New York: The Roebling Construction Company. Retrieved August 15, 2009.
- Jordan, David Starr; John Casper Branner; Charles Derleth Jr.; Stephen Taber; F. Omari; Harold W. Fairbanks; Mary Hunter Austin (1907). The California Earthquake of 1906. San Francisco: A. M. Robertson. Retrieved August 15, 2009.
- Mining And Scientific Press; T. A. Rickard; G. K. Gilbert; S. B. Christy; et al. (1907). After Earthquake And Fire: A Reprint Of The Articles And Editorial Comment Appearing In The Mining And Scientific Press. San Francisco: Mining And Scientific Press. Retrieved August 15, 2009.
- Russell Sage Foundation; Charles J. O'Connor; Francis H. McLean; Helen Swett Artieda; James Marvin Motley; Jessica Peixotto; Mary Roberts Coolidge (1907). San Francisco Relief Survey: The Organization And Methods Of Relief Used After The Earthquake And Fire Of April 18, 1906. Survey Associates, Inc. (New York), Wm. F. Fell Co. (Philadelphia). Retrieved August 15, 2009.
- Schussler, Hermann (1907). The Water Supply Of San Francisco, California Before, During And After The Earthquake of April 18, 1906 And The Subsequent Conflagration. New York: Martin B. Brown Press. Retrieved August 15, 2009.
- Tyler, Sydney; Harry Fielding Reid (1908). The California Earthquake of April 18, 1906: Report Of The State Earthquake Investigation Commission. Volume one. Washington, D.C.: The Carnegie Institution of Washington.
- Tyler, Sydney; Harry Fielding Reid (1910). The California Earthquake of April 18, 1906: Report Of The State Earthquake Investigation Commission. Volume two. Washington, D.C.: The Carnegie Institution of Washington.
- Wald, David J.; Kanamori, Hiroo; Helmberger, Donald V.; Heaton, Thomas H. (1993), "Source study of the 1906 San Francisco Earthquake", Bulletin of the Seismological Society of America, Seismological Society of America, 83 (4): 981–1019
- Winchester, Simon, A Crack in the Edge of the World: America and the Great California Earthquake of 1906. HarperCollins Publishers, New York, 2005. ISBN 0-06-057199-3
- Bronson, William (1959). The Earth Shook, the Sky Burned. Doubleday.
- Contemporary disaster accounts
- Aitken, Frank W.; Edward Hilton (1906). A History Of The Earthquake And Fire In San Francisco. San Francisco: The Edward Hilton Co. Retrieved August 15, 2009.
- Banks, Charles Eugene; Opie Percival Read (1906). The History Of The San Francisco Disaster And Mount Vesuvius Horror. C. E. Thomas. Retrieved August 15, 2009.
- Givens, John David; Opie Percival Read (1906). San Francisco In Ruins: A Pictorial History. San Francisco: Leon C. Osteyee. Retrieved August 15, 2009.
- Keeler, Charles (1906). San Francisco Through Earthquake And Fire. San Francisco: Paul Elder And Company. Retrieved August 15, 2009.
- London, Jack. "The Story of An Eyewitness". London's report from the scene. Originally published in Collier's Magazine, May 5, 1906.
- Morris, Charles (1906). The San Francisco Calamity By Earthquake And Fire. Retrieved August 15, 2009.
- Tyler, Sydney; Ralph Stockman Tarr (1908). San Francisco's Great Disaster. Philadelphia: P. W. Ziegler Co. Retrieved August 15, 2009.
- White, Trumbull; Richard Linthicum (1906). Complete Story of the San Francisco Horror. Retrieved August 15, 2009.
|Wikimedia Commons has media related to San Francisco earthquake of 1906.|
- The Great 1906 San Francisco Earthquake – United States Geological Survey
- 1906 San Francisco earthquake at DMOZ
- The 1906 Earthquake and Fire – National Archives
- Before and After the Great Earthquake and Fire: Early Films of San Francisco, 1897–1916 – American Memory at the Library of Congress
- A geologic tour of the San Francisco earthquake, 100 years later – American Geological Institute
- The Great 1906 Earthquake and Fire – Virtual Museum of the City of San Francisco website
- The Great 1906 Earthquake and Fire – Bancroft Library
- Mark Twain and the San Francisco Earthquake – Shapell Manuscript Foundation
- Several videos of the aftermath – Internet Archive
- San Francisco Earthquake and Fire, April 18, 1906
- Seismographs of the earthquake taken from the Lick Observatory from the Lick Observatory Records Digital Archive, UC Santa Cruz Library's Digital Collections
- Timeline of the San Francisco Earthquake April 18 – 23, 1906 – The Virtual Museum of the City of San Francisco
- JB Monaco Photography – Photographic account of earthquake and fire aftermath from well-known North Beach photographer
- Tsunami Record from the Great 1906 San Francisco Earthquake – USGS
Earthquake and fire today have put nearly half of San Francisco in ruins. About 500 persons have been killed, a thousand injured, and the property loss will exceed $200,000,000.