Science classes had told us that tsunamis are caused by earthquakes, at least most of them do. However, this disaster may also be triggered by landslides or volcanic eruptions. In fact, about 15% of tsunamis are caused by them.
Perth, Jan 24
The enormous eruption of the underwater volcano in Tonga, Hunga Tonga-Hunga Ha'apai, triggered a tsunami that reached countries all around the Pacific rim, even causing a disastrous oil