Rare sonar mapping—conducted before and after an undersea volcano erupted off the coast of Tonga in 2022—has uncovered the unique reasons for its deadly tsunami.

The tsunami threat around the Pacific from a huge undersea volcanic eruption began to recede Sunday, while the extent of damage to Tonga remained unclear.

The blast sent an eruption column more than 34 miles high.

The enormous cloud blasted into the atmosphere by the 2022 Hunga Tonga-Hunga Ha’apai eruption carried an unexpected surprise. Inside it, methane was disappearing at an unusually rapid rate. Satellite ...

Shock waves triggered by a massive underwater volcanic eruption near Tonga on Jan. 15 were apparently responsible for tidal surges seen along Japan’s Pacific coastline, according to experts.

Aerial images show the devastation in Tonga left behind after a violent offshore volcanic eruption sparked a tsunami and clouded the sky with ash. Communications with the island nation have largely ...

Hunga Tonga-Hunga Ha'apai (Hunga Tonga for short) erupted on January 15 2022 in the Pacific Kingdom of Tonga. It created a tsunami which triggered warnings across the entire Pacific basin, and sent ...

Korea Polar Research Institute (KOPRI) said on the 14th that it had identified that a large-scale "piston-type collapse" ...

Add Yahoo as a preferred source to see more of our stories on Google. The Hunga Tonga–Hunga Ha'apai-volcanic eruption on 15 january 2022. Image taken from a video of the eruption. (CREDIT: Tonga ...

Every single house on Mango Island was swept away by the tsunami that radiated out when the submarine volcano Hunga-Tonga Hunga-Ha’apai exploded off the coast of Tonga in 2022. Only two buildings ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock Size alone may be a poor guide to tsunami danger from an underwater volcano. A new study on Tonga's 2022 ...