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Hunga Tonga and Hunga Haʻapai in 1978. Hunga Tonga–Hunga Haʻapai is a submarine volcano in the Kermadec-Tonga Ridge in South Pacific, a ridge formed by the convergent boundary where the Pacific Plate is subducted by the Indo-Australian Plate, forming a long volcanic and island chain.
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. [62]
Scientists want to know why Hunga Tonga-Hunga Ha'apai is still lingering instead of crumbling into the sea. This tiny South Pacific island should be dead by now, but it’s still alive and kicking ...
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 .
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 ...
The eruption of the Hunga-Tonga-Hunga-Ha'apai volcano, located just under. An undersea volcano violently erupted in the southwestern Pacific Ocean near the Kingdom of Tonga Saturday, local time ...
Satellite images released on January 18 show the aftermath of the powerful eruption of the Hunga Tonga-Hunga Ha’apai volcano that triggered a tsunami on the South Pacific nation of Tonga on ...
Hunga Tonga–Hunga Ha'apai: 114 m (374 ft) 2022: Kao: 1,030 m (3,379 ft) ... Government of Tonga, official 1962 land survey This page was last edited on 5 July ...