USGS Open File Report 2008-1270, liquefaction probability, Santa Clara County
Summary
Text of a map, Open File Report 2008-1270, Liquefaction probability for M7.8 San Andreas Fault earthquake scenario, Santa Clara County, CA by Thomas L. Holzer, Thomas E. Noce, and Michael J. Bennett. The map shows the likelihood of liquefaction in Northern Santa Clara County during a magnitude 7.8 earthquake on the northernmost segments of the San Andreas Fault, similar to the 1906 San Francisco earthquake. It states the map depicts the hazard at a regional scale, should not be used for site-specific design, and assumes the historically shallowest water table conditions. The text does not concern Economic Injury Disaster Loans despite the page title.
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- Figure 24 Approval Rates For Economic Injury Disaster Loans In The San Jose Sunnyvale Sant
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- Figure 24 Approval Rates For Economic Injury Disaster Loans In The San Jose Sunnyvale Santa Clara Metropolitan Statistic
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“USGS Open File Report 2008-1270, liquefaction probability, Santa Clara County.”
Original at pubs.usgs.gov. Archived at Pandemic Darlings, https://pandemicdarlings.com/source-documents/figure-24-approval-rates-for-economic-injury-disaster-loans-in-the-san-jose-sunnyvale-santa-clara-metropolitan-statistic/
, SHA-256 5ac3c764b3c2ec73125ee05af29f472f2e2ca73f2e40e3906ddc106101c63922.Full text
Open File Report 2008-1270
Liquefaction probability for M7.8 San Andreas Fault earthquake scenario, Santa Clara County, CA
by Thomas L. Holzer, Thomas E. Noce, and Michael J. Bennett
121°45'0"W
121°52'30"W
Liquefaction probability 122°0'0"W
30 to 40% 122°7'30"W
20 to 30% San Francisco Bay
10 to 20%
5 to 10%
0 to 5%
Palo Alto Milpitas
Not assigned
Legend 237
680
880
Not studied
Water
Bedrock
San Andreas Fault
101
Major highways 85
Sunnyvale
280
Streets
37°22'30"N
37°22'30"N
Location map 680
San Jose
280
17
Sa
n
A
nd
re
as
Fa
ul
t
0 5 Miles
0 8 Kilometers
17
85
122°7'30"W 101
37°15'0"N
37°15'0"N 121°52'30"W
122°0'0"W
This map shows the likelihood of liquefaction in Northern Santa Clara County during a magnitude 7.8 earthquake on the northernmost segments of the San Andreas Fault. This earthquake is similar to the 1906 San Francisco earthquake.
At each location, the map predicts the approximate probability that shallow wet sands will liquefy and cause surface manifestations of liquefaction such as sand boils and ground cracking. Liquefaction is a phenomenon that is caused by earthquake shaking.
Wet sand can become liquid-like when strongly shaken. The liquefied sand may flow and the ground may move and crack, causing damage to surface structures and underground utilities.The map depicts the hazard at a regional scale and should not
be used for site-specific design and consideration. Subsurface conditions can vary abruptly and borings are required to address the hazard at a given location. The map assumes the historically shallowest water table conditions and does not reflect
current ground-water conditions. If the current water table is deeper, the probability of liquefaction is reduced. The map includes the communities of San Jose, Campbell, Cupertino, Los Altos, Los Gatos, Milpitas, Mountain View, Palo Alto, Santa Clara,
Saratoga, and Sunnyvale.
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