Eruption of the Hunga Tonga-Hunga Ha’apai Volcano in January 2022 has highlighted global unpreparedness for the impact of large-scale global events.The tsunami from the Hunga Tonga-Hunga Ha’apai volcano in Tonga on 15 January 2022 was the first of a series of violent eruptions in over 130 years, the last being the eruption of the Krakatau volcano in Indonesia in 1883. Hunga Tonga-Hunga Ha’apai also the first multiple eruption tsunami since the Krakatoa event and the first recorded by modern technology. The resulting shock wave was the most significant ever recorded and the volcanic eruption was the highest on record.