Sul VEI 6 forse ci siamo, di più non so. Nube di 20km di altezza per 260km di diametro, è il Krakatoa del XXI secolo:
Why the volcanic eruption in Tonga was so violent, and what to expect next
This demonstrates a huge explosive power – one that cannot be explained by magma-water interaction alone. It shows instead that large amounts of fresh, gas-charged magma have erupted from the caldera.
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