Which active island volcano situated in the Sangihe Islands of North Sulawesi has historically caused devastating lahars and tsunami hazards?
Answer and explanation
Correct answer: A. Mount Awu
- Step 1: Mount Awu is the largest volcano on Sangir Island, rising to 1,320 m above sea level. Step 2. Powerful explosive eruptions in 1711, 1812, 1856, and 1966 generated catastrophic pyroclastic flows and crater-lake lahars. Answer: Mount Awu. Why not the others: Karangetang is on Siau Island; Ruang is on Ruang Island.
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