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Akademia Nauk Volcano - John Seach
(Karymsky Lake or Academii Nauk)
Kamchatka, Russia
53.98 N, 159.45 E
summit elevation 1180 m
Stratovolcanoes
Akademia Nauk Volcano is located in eastern Kamchatka.
The first historical eruption at the volcano occurred in 1996 and lasted one day. The subaqueous eruption changed lake chemistry and biology of Karymsky Lake.
Prior to the 1996 eruption the lake had a pH of about 8.2 and was stocked with fish. After the eruption the chemistry changed from bicarbonate to sulphate and had high Na and K levels with a pH of 3.2. No fish survive in the lake. The lake is now the world's largest reservoir of acid water.
The 1996 eruption created Tokarev crater which is now separated from the lake.
Akademia Nauk Volcano Eruptions
1996