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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.
The Tonga Meteorological Services said a tsunami warning was declared for all of the archipelago, and data from the Pacific tsunami center showed waves of 80 centimeters (2.7 feet) had been detected.
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]
2022 Hunga Tonga A combination of a ... The Pacific Tsunami Warning and Mitigation System was established in 1965 due to the 1960 Chile tsunami. New Zealand is one of ...
A team of Tongan geologists observed a massive plume of ash rising skyward during a continuous eruption of the Hunga Tonga-Hunga Ha’apai volcano on January 14.Images released by the Tonga ...
An undersea volcano near Tonga erupted earlier this year – it was the largest volcanic eruption of the 21st century and the largest eruption since Krakatoa in 1883.
The government of Tonga issues a tsunami warning and advises people in all islands of Tonga to avoid the coasts. [1] 15 January – King Tupou VI is evacuated from the Royal Palace by His Majesty's Armed Forces as ashfall from the Hunga Tonga eruption destroys homes and causes the evacuation of citizens to higher ground. [2]
A tsunami warning was issued for large stretches of New Zealand’s northeast coastline on March 5 after a magnitude-8.1 earthquake – the third in the country that morning – struck the ...