Global Volcanism Program | Image GVP-01276

Karangetang volcano, also known as Api Siau, is the northernmost of a chain of volcanoes forming the elongated island of Siau in the Sangihe arc. Seen here from Ulu village on the north, Karangetang is one of Indonesia's most active volcanoes, with more than 40 eruptions recorded since 1675. Photo by Ruska Hadian, 1973 (Volcanological Survey of Indonesia).

Karangetang volcano, also known as Api Siau, is the northernmost of a chain of volcanoes forming the elongated island of Siau in the Sangihe arc. Seen here from Ulu village on the north, Karangetang is one of Indonesia's most active volcanoes, with more than 40 eruptions recorded since 1675.

Photo by Ruska Hadian, 1973 (Volcanological Survey of Indonesia).

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Karangetang