At least some of the explosions also triggered pyroclastic flows reaching the southern base of the summit cone. Moderately strong ash fall of 1-2 cm occurred in villages about 10 km to the NE of the volcano.
Apart from significant damage to farmland because of the ash cover, no injuries or damage to infrastructure were reported. The airport of Manado had to be closed for 2 days.
In the course of the second day (5 Jan), the activity at the volcano changed to violent lava fountaining from a fissure vent at the summit of the cone, producing lava flows that descended the cone. Activity ceased after around 6 January.
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