Figure 2

Cartosat-1A digital elevation model showing the regional tectonic-geomorphic map of the trench site at Himebasti. (Top) Un-interpreted Cartosat-1A digital elevation model showing the extent of different terraces. (Inset) the small red arrows in the inset are pointing at the strike of the scarp. (Bottom) mapped terraces are differentiated by different colours in and around the study area. (Inset) Detailed tectonic-geomorphic map of the trenched site at Himebasti village. A small black outlined polygon box depicts the location of Figure S1. Letters 'a' and 'b' denotes the locations of the previous20 and present trench sites, respectively. BP—Brahmaputra Plain. Maps were prepared using Cartosat-1A imageries purchased from http://www.nrsc.gov.in (Source: NRSC, ISRO/DOS) and processed in SOCET GXP version 4.1.0 software and artwork in Adobe Illustrator CS5 software.