Kikai is a mostly submerged 19-km-wide caldera S of Kyushu that was the source of one of the world's largest Holocene eruptions about 6,300 years ago. Pyroclastic flows traveled across the sea for a total distance of 100 km and devastated southern and central Kyushu.

2025年1月23日 · Reconstructing the volcanic history of the Kikai caldera, a large active volcano that produced a ~ 160 km3 eruption at 7.3 ka off the southern coast of Kyushu Island (southwest Japan), is crucial...

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 Islands of Kagoshima Prefecture, Japan.

2020年4月29日 · 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.

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 epoch that began around 11,700 years ago and continues today.

2024年4月4日 · An in-depth study of the submerged volcanic deposits surrounding Japan's Kikai caldera shed light on both the mechanisms of deposition and the scale of the event. Consequently, researchers from Kobe University determined that this eruption, occurring 7,300 years ago, was the largest volcanic eruptio

2024年2月22日 · 而作为新记录保持者的Kikai-Akahoya火山，淹没于日本九州岛附近海域，在这个破火山口之上是名为硫磺岛的火山岛。

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