Mount Awu is the largest volcano in the Sangihe chain. Powerful eruptions occurred in 1711 1812 1856 1892 and 1966 with devastating pyroclastic flows and lahars that have resulted in more than 8000 fatalities altogether. A 4.5 km wide of crater is found at the summit and a deep valley forms a passageways for lahars splitting the flanks from the crater. This is a volcano in the Ring of Fire.
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