Abstract
Abstract: An earthquake of Mw 6.7 occurred near the Noney village of Tamenglong district, 30 km WNW of Imphal, Manipur on 4th January 2016. This is the largest earthquake to have occurred in the region during last six decades. The last event of M 7.3 occurred on 1st July 1957 SW of Imphal in Manipur valley. The current event was recorded by a local network of BBS and located at 24.865oN and 93.653oE with a focal depth of 50 km. Data collected have been analysed to estimate source parameters, fault plane solution and assessment of damage in the vicinity of the epicenter. The seismic moment and stress drop have been estimated to be 1.096x1026 dyne.cm and 10.1 bars respectively, with the source radius of 17 km and rupture length of 44 km. The fault plane solution obtained using waveform inversion shows that the event was of strike slip type with two nodal planes, having (i) dip of 49o; strike 342o; rake 166o and (ii) with dip of 79o; strike 81o; rake 36o, respectively.
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