How big is the magma chamber?

It’s HUGE! The crater opening has a diameter of approximately 4×4 metres (12×12 ft). That leads to the huge 120 m (400 ft) deep, bottle-shaped volcanic vault, measuring 50×70 m (160×220 ft) at the bottom. Volcanic passages continue down to the southwest, to a total depth of about 200 m.

In context, the ground space is equivalent to almost three full-sized basketball courts planted next to each other and the distance from top to bottom is a little short of three times the Statue of Liberty. The beauty of the crater mostly consists in its enormous and, to some extent, intimidating size.

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