Kikai Caldera (鬼界カルデラ, Kikai karudera) (alternatively Kikaiga-shima, Kikai Caldera Complex) is a massive, mostly submerged caldera up to 19 kilometres (12 mi) in diameter in the Ōsumi …

Apr 24, 2011 · Kikai is a submarine caldera with three small islands, parts of the caldera rim, that project above sea level. The caldera is about 19 km in diameter. Submarine topography …

Apr 4, 2024 · Researchers from Kobe University have conducted a comprehensive study of the volcanic deposits around Japan’s Kikai caldera, revealing that the eruption 7,300 years ago …

The Akahoya eruption or Kikai-Akahoya eruption was the strongest known volcanic eruption of the Kikai Caldera in Kyūshū, Japan occurring c. 5250 BCE. It ejected 332–457 km 3 (80–110 cu …

Through a detailed analysis of the Kikai Caldera near Kyūshū island in Japan, scientists think they've confirmed the biggest eruption ever discovered to take place in the Holocene – an …

Feb 12, 2018 · Researchers at Kobe University have detected a giant lava dome that exists below the Kikai Caldera, holding a volume of more than 32 cubic kilometres (almost 8 cubic miles) of …

Feb 9, 2018 · A trio of surveys has confirmed the presence of a giant lava dome in the Kikai Caldera, a mostly submerged caldera located south of Japan's main islands.

Jan 22, 2025 · Kikai volcano is a 19 km large, mostly submerged caldera at the northern end of the Ryukyu Islands of Japan, located 45 km south of Kuyshu. It is one of the country's most …

Kikai, located just S of the Ryukyu islands of Japan, contains a 19-km-wide mostly submarine caldera. The island of Satsuma Iwo Jima (also known as Satsuma-Iwo Jima and Tokara …

Apr 29, 2020 · Multiple eruption centers have exhibited recent activity at Kikai, a mostly submerged, 19-km-wide caldera near the northern end of the Ryukyu Islands south of Kyushu.