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Aira caldera is located at Kyushu, the southernmost island of Japan. The supervolcano peaks at 1117 m. [6]The eruption forming the Aira Caldera, occurred approximately 30,000 years ago, and resulted in tephra and ignimbrite from a vast amount of magma affecting the nearby land.
A map of Sakurajima in 1902, showing it as a distinct island. Sakurajima is in the 25 km (15 mi)-wide Aira caldera, which formed in an enormous "blow-out-and-cave-in" eruption around 22,000 years ago. [8] Several hundred cubic kilometres of ash and pumice were ejected, causing the magma chamber underneath the erupting vents to collapse. The ...
Map all coordinates using OpenStreetMap. Download coordinates as: KML; GPX (all coordinates) ... Aira Caldera 2017 [† 1] Ata Caldera: 0.11 Ma BP ...
Though such enormous eruptions are extremely infrequent, both volcanoes have remained active with much smaller eruptions in historic times, with Sakurajima in the bay and the Kirishima Mountains north of the bay forming active vents associated with the Aira volcano magma sources, and the smaller 4000-year-old Ikeda Caldera with Mount Kaimon at ...
A major three phase eruption of the Aira Caldera formed in the first phase the Osumi pumice fall, had a second phase Tsumaya pyroclastic flow and in the third Ito eruption phase produced the widely distributed Aira-Tn tephra that has been dated at 29,428 to 30,148 years calibrated before present.
A man planning a camping trip using Google Maps ran across a uniquely curved spherical pit in Quebec. It may be an ancient asteroid impact crater. A Camper Was Playing With Google Maps—and ...
Kirishima-Kinkowan National Park (霧島錦江湾国立公園, Kirishima-Kinkōwan Kokuritsu Kōen) is a national park in Kyūshū, Japan.It is composed of Kirishima-Kagoshima Bay, an area of Kagoshima Prefecture and Miyazaki Prefecture known for its active volcanoes, volcanic lakes, and onsen.