Einer der explosivsten Vulkane der Erde füllt sich leise mit Magma. Forscher zeigen, dass sich der Vulkan Kikai Caldera vor der japanischen Insel Kyushu langsam wieder füllt, was Aufschluss über die Eruptionszyklen gibt – was die laufenden Bemühungen unterstützt, zukünftige Ausbrüche früher und genauer vorherzusagen.
https://www.sciencealert.com/one-of-earths-most-explosive-volcanoes-is-quietly-refilling-with-magma
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>About 7,300 years ago, a volcano off Japan’s Kyushu island unleashed what remains the largest known eruption of the Holocene, our current geological epoch.
>In a new [study](https://www.nature.com/articles/s43247-026-03347-9), researchers reveal how this volcano’s enormous magma chamber is now slowly refilling, potentially shedding light on the eruption cycles of it and similar volcanoes – and thus supporting humanity’s ongoing efforts to predict future eruptions earlier and more precisely.
>The Kikai Caldera volcano ejected about 160 cubic kilometers (38 cubic miles) of dense rock equivalent during its Akahoya eruption 7,300 years ago, more than 11 times the volume expelled by Novarupta in 1912 and 32 times that of Pinatubo in 1991.
>The violent blast spewed material across 4,500 square kilometers, an area many times larger than London, and sent pyroclastic flows up to 150 km (93 miles) from the epicenter. Tephra fell across swaths of Japan and the Korean peninsula.
>The volcano hasn’t done anything nearly so dramatic since, but it is still active, producing a scattered array of minor eruptions in recent decades.
I bet it’s actually kinda loud down there.
I love the way science and tech reporters use the word „quietly,“ like in this case, that volcano should DEFINITELY have released a statement before now, if not a press conference!
There is a real climate-related mechanism people should know about: as major ice masses melt, isostatic rebound can change crustal stress and magma behavior. That does not prove climate change is why Kikai is refilling, but it is a physically real mechanism that can influence some volcanic systems. The ring of fire is one of those systems thought to be affected, but timescales are decades and thousands of years not tomorrow.