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Context of the Yuha Desert Faults
San Jacinto Fault Zone
Elsinore Fault Zone
Imperial Fault
Laguna Salada Flt.
San Andreas Fault
YuhaDesert
1
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Known active faults
Potentially active faults
ElsinoreFault
Laguna Salada Fault 2
Previously Mapped Faults in the Yuha Desert
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Known active faults
Potentially active faults
Previously Mapped Faults in the Yuha Desert
ElsinoreFault
Laguna Salada Fault 3
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Known active faults
Potentially active faults
Previously Mapped Faults in the Yuha Desert
ElsinoreFault
Laguna Salada Fault 4
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Known active faults
Potentially active faults
Previously Mapped Faults in the Yuha Desert
ElsinoreFault
Laguna Salada Fault 5
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• mapping verified fault rupture on known faults
• rupture mapped on newly discovered faults
Yuha
Fau
lt
New Fault Rupture From El Mayor Earthquake
6
Early Mapping – pre-InSAR
Laguna Salada Fault
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Interferogram10/21/2009 – 4/13/2010
field-verified surface faulting (April through May)
78 km
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8
Detail of UAVSAR image10/21/2009 – 4/13/2010
(un-annotated)
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Detail of UAVSAR image10/21/2009 – 4/13/2010
early fault mapping(pre-InSAR)
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Detail of UAVSAR image10/21/2009 – 4/13/2010
early mapping plusadditional faults
(post-InSAR)
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interpretations from InSARfield-verified surface faulting
11
Interpreted Faults from UAVSAR
Interferogram10/21/2009 – 4/13/2010
8 km
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interpretations from InSARfield-verified surface faulting
12
Interferogram4/13/2010 – 7/01/2010
Highlighting Continuing Deformation
8 km
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ElsinoreFault
Oco
tillo
Fau
lt Zo
ne
northwest extensionof theLaguna Salada Fault
13
Detail of UAVSAR image4/13/2010 – 7/01/2010
fault rupture fromJune 2010 aftershocks
4 kilometers
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Previously Mapped Faults in the Yuha Desert
ElsinoreFault
Laguna Salada Fault
14
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Faults from All SourcesPresenting Risk from Surface Rupture
ElsinoreFault
Laguna Salada Fault Zone
Oco
tillo
F.Z
.
Yuha
Fau
lt
interpreted faultsfield-verified surface faulting
15
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Context of the Yuha Desert Faults
San Jacinto Fault Zone
Elsinore Fault Zone
Imperial Fault
Laguna Salada Flt.
San Andreas Fault
San Diego
16
Superstition Hills Flt.