Post on 05-Jan-2016
Scarps in Steep,Terrain
Cryptic Faulting in
Delta Sediments
Complex Rupture Geometry
STATISTICS106 km x 3-5 km
footprint~350 sq. km at ≥9 points/m2
3.8 billion pts
NSF-RAPID: Airborne LiDAR Survey of the El Mayor-Cucapah Earthquake Surface Rupture(Earthscope & Int’l Programs)UC-Davis (PI Oskin), ASU (Co-PI Arrowsmith) &U. Houston (NCALM)
Cryptic Fault Rupture across Colorado River Delta
+8m elevation+4m
Fault expressed as warping over tens of meters
0.5 m dextral displacement
Comparison to pre-event INEGI 5m-pixel lidar
+1.5m elevation change
-1.5m
Borrego FaultPaso Inferior F.Z.