Context of the Yuha Desert Faults San Jacinto Fault Zone Elsinore Fault Zone Imperial Fault Laguna...

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.