Volcanic activity recommenced in May, 1883 and continued into August, the first eruptions appearing on the northern, Perbuatan volcano. The number of active vents increased on both the northern volcanoes. On the 26 th and 27 th August series of cataclysmic explosions occurred which were heard 3500 miles away as far away as South Australia and Ceylon, was recorded as of the world's biggest explosion the force of 100.000 hydrogen bombs, They generated tsunamis (tidal wave) crashed ashore and devastated hundreds of town and village, reaching almost 10 miles inland in some places. The ... Read more »