The arcuate shape Himalayan collision zone is one of the most seismically active regions of the world. Five M∼8 earthquakes have occurred in the last 120 years: 1897 Meghalaya, 1905 Kangra, 1934 Bihar–Nepal border, 1950 Arunachal Pradesh, and 2015 Gorkha. Several workers (e.g., Bilham et al., 2001; Lavé et al., 2005; Hough and Bilham, 2008) recomputed magnitudes of the older earthquakes in the Himalayas, estimated present‐day seismic moment deficit, and reported earthquakes of Mw∼8.8 along the arc in the past. These earthquakes have caused extensive damage in the region (Ambraseys, 2000...

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