It hasn't erupted since the 1700s, which means a lot of basalt has formed in between then and now on top of the lava which might end up in an explosive situatio

It hasn't erupted since the 1700s, which means a lot of basalt has formed in between then and now on top of the lava which might end up in an explosive situation. It's about pressure buildup, in short. [1] [1] https://www.wired.co.uk/article/mount-fuji https://www.wired.co.uk/article/mount-fuji