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An explosive volcanic eruption occurred near the Kingdom of Tonga, a nation of 170 islands in the southwestern Pacific Ocean, causing tsunami waves to impact the region and ash to fill the sky. A ...
The Tonga Meteorological Services said a tsunami warning was in effect for all of the archipelago, and data from the Pacific Tsunami Warning Center showed waves of 80 centimeters (2.6 feet) had ...
The eruption of the Hunga-Tonga-Hunga-Ha'apai volcano, located just under. An undersea volcano violently erupted in the southwestern Pacific Ocean near the Kingdom of Tonga Saturday, local time ...
Hunga Tonga–Hunga Haʻapai is 65 kilometres (40 mi) north of Tongatapu, the country's main island, [9] and is part of the highly active Tonga–Kermadec Islands volcanic arc, a subduction zone extending from New Zealand to Fiji. [10] [11] On the Volcanic Explosivity Index scale, the eruption was rated at least a VEI-5.
Hunga Tonga and Hunga Haʻapai are the only subaerial parts of the volcano. Hunga Tonga is the eastern island, while Hunga Haʻapai is the western one. They are part of Tonga's Haʻapai group of islands, [15] an island arc formed at the convergent boundary where the Pacific Plate subducts under the Indo-Australian Plate. [6] [16] [17]
Name Elevation [1] Location Last eruption Coordinates; ʻAta: 382 m (1,253 ft) Curacoa: −33 m (−108 ft) 1979 Dugong: −1,170 m (−3,839 ft) East Mata
An underwater volcano off Tonga erupted on Saturday, triggering tsunami warnings and evacuation orders in Japan and causing large waves in several South Pacific islands, where footage on social ...
The Niuatahi underwater volcano is located in an area of complex tectonics. It is located in the Lau Back-Arc Basin, which consists of oceanic crust that separates the remnant Lau-Colville Ridge and the active Tofua volcanic arc from each other. The back-arc basin is mainly formed by the rollback [b] of the Tonga Trench. The Lau Basin is host ...