description Karkar fumaroles Overview
Fumaroles on Karkar Island in Papua New Guinea release gases from an active volcanic complex, closely monitored after notable debris avalanche events.
help Karkar fumaroles FAQ
Where is Karkar Island and its volcano?
Karkar is a volcanic island in Papua New Guinea's Madang Province, lying in the Bismarck Sea just off the country's north coast. The roughly circular island is heavily vegetated and home to an active volcanic complex.
Has Karkar volcano erupted recently?
Karkar erupted in the 1970s, including an eruption in 1979, which is part of why its fumaroles are watched so closely. The island has no permanent volcano observatory of its own but is monitored remotely.
What was the debris avalanche on Karkar?
Debris avalanche events on Karkar carved a large scar into the volcano's structure, and such collapse deposits are a key reason its flank degassing is monitored. The fumaroles serve as a window into the heat still inside the edifice after these events.
Who monitors Karkar's fumaroles and volcanic activity?
Monitoring falls under Papua New Guinea's Rabaul Volcanological Observatory (RVO), which tracks the country's volcanoes, sometimes with international partners. Persistent gas emissions on Karkar are among the signals RVO keeps under observation.
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