Kulshan Caldera and Mount Baker Volcanic Field, Washington State, USA

Glaciated Mount Baker from neighboring Mount Shuksan.  Area to the right is the Kulshan Caldera.  Jagged peak is glacially eroded basalts of Mount Shukshan.  Image courtesy Lee Siebert, 1971, Smithsonian GVP

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Mount Martin and Alagogshak Volcanoes, Katmai, Alaska

Summit of Mount Martin showing active fumaroles and small acidic lake.  Image courtesy SR Wood, US NPS, Katmai

Sept. 2006 Eruption of Fourpeaked Volcano, Alaska

Fourpeaked eruption Sept. 17, 2006. Mount Douglas is the larger volcano to the right. Note dual sources for eruptive plume. Photo taken by Lanny Simpson, Alaska High Mountain Images via AVO

Hokkaido 3 – The Kutcharo Caldera, Hokkaido, Japan

Lake Kussharo in winter. Note that the lake is not frozen. Image courtesy Ten via YouTube.

 

This is the second of three posts on the East Hokkaido Caldera Field.  This post is centered on the Kutcharo (Kussaro or Kuttyaro) volcanic complex.

Hissing, Rumbling – and sometimes Erupting: MUTNOVSKY VOLCANO, Kamchatka

Strong fumarole activity of Mutnovsky volcano active crater, 9/2015 (© D. Melnikov, IVS FEB RAS, KVERT)