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Oto Group volcano

Stratovolcano(es) 1277 m / 4190 ft
Papua New Guinea, -5.56°S / 150.41°E
Current status: (probably) extinct (0 out of 5) | Reports
Oto Group volcano books
Typical eruption style: unspecified
Oto Group volcano eruptions: None during the past 10,000 years
Less than 2.58 million years ago (Pleistocene) No recent earthquakes
TimeMag. / DepthDistanceLocation


The Oto volcanic group consists of five stratovolcanoes and a caldera of early to late Pleistocene age. The oldest volcanoes, Ko and Husa, are about 800-900,000 years old, and the steep-sided Oto, Mululus and Mateleloch volcanoes range from about 190,000 to less that 70,000 years old (Blake and McDougall 1973, Johnson and Blake 1972). The 4-km-wide Busui caldera of probable Pleistocene age is formed in a broad, low-angle cone of dominantly pyroclastic material. The names of Oto, Mululus and Mateloch peaks on published maps differ from that used by local inhabitants and in the geological literature.
Source: Smithsonian / GVP volcano information

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