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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]
Government of Tonga, official 1962 land survey Siebert L, Simkin T (2002–present). Volcanoes of the World: an Illustrated Catalog of Holocene Volcanoes and their Eruptions .
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 volcano is located about 64 kilometers (40 miles) north of Tonga's capital, Nuku’alofa. Two people drowned in Peru, which also reported the oil spill after waves moved a ship that was ...
WELLINGTON, New Zealand (AP) — An undersea volcano erupted in spectacular fashion near the Pacific nation of Tonga on Saturday, sending large tsunami waves crashing across the shore and people ...
Tofua caldera. Tofua is a volcanic island in Tonga.Located in the Haʻapai island group, it is a steep-sided composite cone with a summit caldera.It is part of the highly active Kermadec-Tonga subduction zone and its associated volcanic arc, which extends from New Zealand north-northeast to Fiji, and is formed by the subduction of the Pacific Plate under the Indo-Australian Plate. [2]
For the South Pacific island nation of Tonga, the tsunami unleashed by Saturday's volcanic eruption laid bare some of the ways that climate change is threatening the islands' very existence. By ...
It lies about 6 km (3.7 mi) north of Tofua island and reaches 1,030 m (3,379 ft) above sea level, the highest point in Tonga. The date of its last eruption is unknown. Although Kao does not display fresh-looking lava flows, it is likely very recent in origin due to the absence of deep gullies or high sea cliffs.