Siau is an active volcano rising 1,827 meters above the ocean and dropping steeply into the sea. The Sangihe Islands are composed of several small islands distributed in a north-south direction. Siau Island is one of them, located 40 nautical miles to the south of the main Sangihe Island.
Siau Island
Image courtesy of the NOAA Office of Ocean Exploration and Research, INDEX-SATAL 2010. Download larger version (jpg, 955 KB).
Siau is an active volcano rising 1,827 meters above the ocean and dropping steeply into the sea. The Sangihe Islands are composed of several small islands distributed in a north-south direction. Siau Island is one of them, located 40 nautical miles to the south of the main Sangihe Island.
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