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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.
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.
Since the initial eruption, the volcano has been releasing sulfur dioxide and nitrogen oxide — two gases that create acid rain when they interact with water and oxygen in the atmosphere.
The massive blast caused atmospheric shock waves seen by orbiting weather satellites.View Entire Post ›
A news item involving 2022 Hunga Tonga–Hunga Haʻapai eruption and tsunami was featured on Wikipedia's Main Page in the In the news section on Wikipedia This article was created or improved during The 2022 C/B Class Drive of WikiProject Weather , which started in January 2022 and is ongoing.
New Zealand and Australia were able to send military surveillance flights to Tonga on Monday to assess the damage a huge undersea volcanic eruption left in the Pacific island nation. A towering ...
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. [7] 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 ...
An underwater volcano erupted on January 15 near the Pacific island of Tonga. Scientists are beginning to understand just how big it was.