The eruption of the underwater Hunga Tonga-Hunga Ha'apai volcano sent an ash plume roughly 57 kilometers into the mesosphere, the highest ever measured by satellite, and produced the most powerful atmospheric explosion recorded by modern instruments.
Record no. MRB-2026-006889
Highest Volcanic Eruption Plume Ever Recorded
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.