Context of the Yuha Desert Faults
San Jacinto Fault Zone
Elsinore Fault Zone
Imperial Fault
Laguna Salada Flt.
San Andreas Fault
YuhaDesert
1
Known active faults
Potentially active faults
ElsinoreFault
Laguna Salada Fault 2
Previously Mapped Faults in the Yuha Desert
Known active faults
Potentially active faults
Previously Mapped Faults in the Yuha Desert
ElsinoreFault
Laguna Salada Fault 3
Known active faults
Potentially active faults
Previously Mapped Faults in the Yuha Desert
ElsinoreFault
Laguna Salada Fault 4
Known active faults
Potentially active faults
Previously Mapped Faults in the Yuha Desert
ElsinoreFault
Laguna Salada Fault 5
• 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
Interferogram10/21/2009 – 4/13/2010
field-verified surface faulting (April through May)
78 km
8
Detail of UAVSAR image10/21/2009 – 4/13/2010
(un-annotated)
9
Detail of UAVSAR image10/21/2009 – 4/13/2010
early fault mapping(pre-InSAR)
10
Detail of UAVSAR image10/21/2009 – 4/13/2010
early mapping plusadditional faults
(post-InSAR)
interpretations from InSARfield-verified surface faulting
11
Interpreted Faults from UAVSAR
Interferogram10/21/2009 – 4/13/2010
8 km
interpretations from InSARfield-verified surface faulting
12
Interferogram4/13/2010 – 7/01/2010
Highlighting Continuing Deformation
8 km
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
Previously Mapped Faults in the Yuha Desert
ElsinoreFault
Laguna Salada Fault
14
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
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.
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