What are Cavitation explosions in the earth's interior? Forum excerpt.

Magma in the earth is like blood in the body. In magma as well as in blood, processes similar to cavitation take place. How is this possible, and why does it happen?
The video contains only a small part of information from the international online forum "Global Crisis. Responsibility"

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https://rumble.com/v3z7n5m-global-crisis.-the-responsibility-international-online-forum.-december-2-20.html