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Katmai Volcano - John Seach
Alaska, USA
58.27 N, 154.98 W,
summit elevation 2047 m
stratovolcano with central caldera
Katmai volcano contains a lake filled caldera 4.5 x 3 km in diameter.
A large eruption of Novarupta volcano in 1912 was previously attributed to Katmai.
Caldera formation at Katmai was caused by lava drainage during the eruption of Novarupta.
Katmai Volcano Eruptions
June 1912.