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The eruption reached a very large and powerful climax nearly four weeks later, on 15 January 2022. [8] 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.
Before the 2022 eruption, the highest point in the former Hunga Tonga reached an elevation of 149 m (489 ft), while Hunga Haʻapai was only 128 m (420 ft) above sea level. [3] Neither island was large: before they were connected in 2015, each island was about 2 km (1.2 mi) long, with Hunga Tonga being roughly 390,000 m 2 (0.15 sq mi) and Hunga ...
Ongoing — COVID-19 pandemic in Tonga. 14 January – 2022 Hunga Tonga eruption and tsunami: The Hunga Tonga, an undersea volcano, erupts, sending ash and steam 20 kilometers into the air. The government of Tonga issues a tsunami warning and advises people in all islands of Tonga to avoid the coasts. [1]
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 ...
Hunga Tonga–Hunga Ha'apai: 114 m (374 ft) 2022: Kao: 1,030 m (3,379 ft) Holocene Late: 540 m (1,772 ft) 1854 Lobster: −1,500 m (−4,921 ft) Metis Shoal ...
Hunga Tonga–Hunga Ha'apai [13] Tonga 2022 58 6–10 [14] [15] [16] 6 The explosive submarine eruption began on December 20, 2021, with the largest explosion occurring on January 15, 2022. Satellite measurements recorded an eruption column of at least 30,000 m (98,000 ft) into the atmosphere. [17]
Čeština: Animace postupu vln tsunami po výbuchu ostrovní sopky Hunga Tonga–Hunga Ha'apai roku 2022 v Tichém oceánu. Deutsch: Animation des Tsunamis nach dem Vulkanausbruch des Hunga Tonga 2022 .
Animation of the 2022 Hunga Tonga–Hunga Ha'apai tsunami. A volcanic tsunami, also called a volcanogenic tsunami, is a tsunami produced by volcanic phenomena. About 20–25% of all fatalities at volcanoes during the last 250 years have been caused by volcanic tsunamis.