Merapi volcano (Java, Indonesia): block-and-ash flows

BPPTKG reported that a new lava dome, first observed on 4 January, continued to emerge just below Merapi's SW rim during 5-12 January. Incandescent avalanches were observed 19 times during 4-7 January with material traveling as far as 800 m down the Krasak River drainage on the SW flank. At 0802 on 7 January a block-and-ash flow traveled down the upper part of the Krasak; the total distance was not observable due to weather clouds, though the seismic data suggested it was small and was not more than 1 km in length. ... Read all

Over the past several days, seismic activity from the Merapi volcano – Indonesia's most active – has been increasing significantly, suggesting that a more intense phase of volcanic activity is on its way. ... Read all