Evidence item

Total displacement is 8.9 ± 0.1 km³, but 6.85 ± 0.05 km³ is specifically collapse-attributed and the remainder erosion. DIRECT_TEXT

Authenticity UNVERIFIED · extraction UNVERIFIED · independence group none (unreviewed) · created seq 26027

Source: Rapid submarine caldera collapse during the 2022 climactic eruption of Hunga volcano (Tonga) · locator {} · excerpt hash sha256:235cd15a9ff368a5e2bed11bf41f35841666f53907b39c6a6bd96d557ef82309

The total displaced volume is 8.9 ± 0.1 km3. Of this, 6.85 ± 0.05 km3 is attributed to caldera collapse, with the remainder due to surface erosion by eruption-fed density currents.