Akaigawa Caldera (赤井川カルデラ, Akaigawa karudera) is a caldera located in Hokkaido Prefecture, Japan. It was active anywhere between 1.7 and 1.3 million years ago.[1]

This article may be expanded with text translated from the corresponding article in Japanese. Click [show] for important translation instructions.
|
| Akaigawa Caldera | |
|---|---|
| Highest point | |
| Elevation | 725 m (2,379 ft) |
| Coordinates | 43.08°N 140.82°E / 43.08; 140.82 |
| Naming | |
| Native name | 赤井川カルデラ (Japanese) |
| Geography | |
| Location | Hokkaido Prefecture, Japan |
| Geology | |
| Mountain type | Stratovolcano |
| Last eruption | Pleistocene |
This volcanology article is a stub. You can help Wikipedia by expanding it. |