How much damage did mount katmai do?

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has mount katmai did any damage

What year did mount katmai erupt in?

Mt. Katmai erupted in 1912 but it was actually Mt. Novarupta that erupted. The pressure made Katmai collapse and the pressure went to Novarupta and that mountain really blew.

Is Mount Katmai extinct?

No. Even though Mount Katmai last erupted in 1912, it is still counted to be active.
In Volcanoes

When was mount Katmai last eruption?

The largest eruption in the world this century occurred in 1912 at ... wide and triggered the collapse of Mount Katmai volcano 10 kilometers away to form a ...