Akaigawa Caldera (赤井川カルデラ, ''Akaigawa karudera'') is a
caldera
A caldera ( ) is a large cauldron-like hollow that forms shortly after the emptying of a magma chamber in a volcano eruption. When large volumes of magma are erupted over a short time, structural support for the rock above the magma chamber is ...
located in
Hokkaido Prefecture
is Japan's second largest island and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by the undersea railway Seikan Tunnel.
The ...
,
Japan. It was active anywhere between 1.7 and 1.3 million years ago.
See also
*
List of volcanoes in Japan
This is a list of active and extinct volcanoes in Japan. An Orange background indicates a volcano considered active by the Japan Meteorological Agency.
Hokkaido
Honshū
Izu Islands
Ogasawara Archipelago
The Ogasawara Archipelag ...
*
Akaigawa, Hokkaido
is a village located in Shiribeshi, Hokkaido, Japan.
As of September 2016, the village has an estimated population of 1,157. The total area is 280.11 km2.
History
The name derives from Ainu word "hure-pet", meaning "red river".
*1899: Ak ...
References
External links
Akaigawa Caldera- Geological Survey of Japan
Volcanoes of Hokkaido
Calderas of Hokkaido
Pleistocene calderas
{{Volcano-stub