Sangihe is a regency archipelago in North Sulawesi Province. This district comes from the splitting of the Sangihe and Talaud district in 2000. The capital is Tahuna. Sangihe regency lies between the island of Sulawesi to Mindanao Island (Philippines), and located on the edge of the Pacific Ocean. This district includes the three clusters, which is Tatoareng Cluster, Cluster Sangihe, and Cluster Border.
The Sangihe Archipelago is a chain of volcanic islands off the north east peninsula of North Sulawesi. Consisting of about forty volcanic islands some of which are over 1,500 metres high, the archipelago’s waters are some of deepest in the world and deep-water currents bring plankton and nutrients from the deep. As a result the marine life at this Manado diving destination is incredibly rich and varied.
There is a perfect ecosystem at a depth of more than 4,000 feet below the sea of Sangihe, it was revealed in the expedition of Satal Index which is collaboration between Indonesian and U.S. researchers. The report said that there some active ocean volcanoes under the sea of Sangihe, those active volcanoes which surround Kawio Islands are the active volcano in the world’s highest sea floor.
The volcano is forming an area on the geothermal area. In the very high water temperatures reach 200 degrees Celsius, it turns out that there is variety of marine life. There are many different types of starfish, shrimp, lobster, fish, octopus, coral reefs which rely on the living bacteria in the water, which is estimated that the living bacteria is the same bacteria with 3.5 billion years ago.
Apparently, there are a lot of marine life that have bright colors from green, purple, pink, red, white, albino, yellow. Without any sun shines to go through the process of photosynthesis, the green color coral reefs are still look brightly shine.
At an altitude of 2000 meters from the volcano, there is high chimney that removing the heat from the volcano attaching. The chimney is formed from the hydrothermal meeting with cold water sea, so that it looks like the chimneys protruding from the ground.
Sangihe is famous by its location for diving spot, there are so many attractive destinations that worth to be visit beside the the underwater volcanoes, among of those destination there is Pananualeng beach, kadadima waterfall, nguralawo waterfall, Tahuna sightseeing, Kalama bird nest, sowang kahakitang coral reefs, embuhanga beach, kemboleng island beach.