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Hunga Tonga–Hunga Haʻapai erupted over a span of 12 hours, releasing 1.9 km 3 (0.46 cu mi) of ejecta with an estimated mass of 2,900 teragrams. Although the eruption energy was soon estimated from the acoustic waves and the ash cloud, its ranking on the Volcanic Explosivity Index (VEI) is still debated. [63]
The 2009 Tonga undersea volcanic eruption began on 16 March 2009, [5] near the island of Hunga Tonga, approximately 62 kilometres (39 mi) from the Tongan capital of Nukuʻalofa. [6] The volcano is in a highly active volcanic region that represents a portion of the Pacific Ring of Fire .
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]
The explosion of the Hunga Tonga-Hunga Ha'apai volcano on Saturday (January 15) has killed at least three people and sent tsunami waves rolling across the archipelago - damaging villages ...
Satellite images published by the United Nations Satellite Centre (UNSOT) on January 17 show the impact of a volcanic eruption near Tonga on the Pacific Island nation and the volcano.The Hunga ...
List of volcanoes in Tonga. 8 languages. ... Download QR code; Print/export Download as PDF; ... Hunga Tonga–Hunga Ha'apai: 114 m (374 ft) ...
The Jan. 15 blast of the Hunga-Tonga-Hunga-Ha’apai volcano, which triggered tsunami waves which stretched to the Pacific Coast in the U.S. The eruption, which spewed ash across the many of Tonga ...
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]