'Never seen anything like it': Scientists report on impact of Tongan volcano blast - WAtoday

When an underwater volcano erupted off Tonga this year, it blasted enough water vapour into the atmosphere to impact the ozone layer and influence surface temperatures.

When an underwater volcano erupted off Tonga this year, blanketing much of the island in a plume of ash and sending a tsunami sweeping across the world, it also blasted enough water vapour into the a… [+1630 chars]

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