Bukit Lumut Balai is a heavily eroded stratovolcano on Sumatra island Indonesia. It consist of three eruption centers two on the Bukit Lumut and one on the northeast side of the Bukit Balai. A large lava flow occurs on the north side of Bukit Balai. Active fumarole fields are found in two cresentic basins to the north of Bukit Lumut.
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