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Global Volcanism Program | Image GVP-10412

The small circular island at the top-center is Sakar, the NE-most of a chain of volcanic islands off the northern coast of Papua New Guinea. The 8 x 10 km wide island, seen in this Space Shuttle image with north to the upper left, is an incised stratovolcano with a summit crater lake. The 50-km-wide island of Umboi, whose left side is cut by a large caldera breached to the NE, fills the center of the image. NASA Space Shuttle image STS50-100-D, 1992 (http://eol.jsc.nasa.gov/).

The small circular island at the top-center is Sakar, the NE-most of a chain of volcanic islands off the northern coast of Papua New Guinea. The 8 x 10 km wide island, seen in this Space Shuttle image with north to the upper left, is an incised stratovolcano with a summit crater lake. The 50-km-wide island of Umboi, whose left side is cut by a large caldera breached to the NE, fills the center of the image.

NASA Space Shuttle image STS50-100-D, 1992 (http://eol.jsc.nasa.gov/).


Umboi

Sakar