Tonga eruption's volcanic plume reached above the stratosphere twice

The plume ejected by the Hunga Tonga-Hunga Haʻapai volcano in January entered the mesosphere, the layer of atmosphere above the stratosphere, twice during the eruption

Tonga eruption's volcanic plume reached above the stratosphere twice
The plume ejected by the Hunga Tonga-Hunga Haʻapai volcano in January entered the mesosphere, the layer of atmosphere above the stratosphere, twice during the eruption