Using images captured by satellites, researchers in the University of Oxford’s Department of Physics and Rutherford Appleton Laboratory have confirmed that the January 2022 eruption of the Hunga Tonga-Hunga Ha’apai volcano produced the highest-ever recorded plume. The colossal eruption is also the first to have been directly observed to have broken through to the mesosphere layer of the atmosphere, about 50 kilometers above the Earth’s surface.
On January 15, 2022, Hunga Tonga–Hunga Haʻapai, a submarine volcano in the Tongan archipelago in the southern Pacific Ocean, violently erupted. The explosion was one of the most powerful ever observed, sending shock waves around the world and triggering devastating tsunamis that left thousands homeless. A towering column of ash and water was ejected into the atmosphere – but until now, scientists lacked an accurate way to measure just how tall this was.
Source: https://www.forbes.com/sites/davidbressan/2022/11/04/tonga-eruption-produced-highest-ever-recorded-volcanic-plume/?sh=16cc7ade739b
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