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Global Volcanism Program | Image GVP-10544

Sannomegata (center), seen here from the NW with Toga bay in the foregound, is one of three small Megata maars along the tip of the Oga Peninsula. Lakes 300-700 m wide fill the maars, which are noted localities for mantle-derived xenoliths and are located immediately E and S of Toga Bay. Copyrighted photo by Hiroshi Yagi (Japanese Quaternary Volcanoes database, RIODB, http://riodb02.ibase.aist.go.jp/strata/VOL_JP/EN/index.htm and Geol Surv Japan, AIST, http://www.gsj.jp/).

Sannomegata (center), seen here from the NW with Toga bay in the foregound, is one of three small Megata maars along the tip of the Oga Peninsula. Lakes 300-700 m wide fill the maars, which are noted localities for mantle-derived xenoliths and are located immediately E and S of Toga Bay.

Copyrighted photo by Hiroshi Yagi (Japanese Quaternary Volcanoes database, RIODB, http://riodb02.ibase.aist.go.jp/strata/VOL_JP/EN/index.htm and Geol Surv Japan, AIST, http://www.gsj.jp/).

Keywords: maar | crater lake | crater


Megata