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A tsunami warning signboard at Gesashi Bay Mangrove Forest, Okinawa Prefecture, Japan. A tsunami warning was issued on 14 January in Tonga after an eruption was observed. Volcanic activity decreased following that eruption and the warning was lifted in the early morning of 15 January.
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]
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.
The tsunami threat around the Pacific from a huge undersea volcanic eruption began to recede Sunday, while the extent of damage to Tonga remained unclear. Satellite images showed the spectacular ...
New satellite imagery captured the aftermath of a powerful volcanic eruption and resulting waves that rocked the Pacific nation of Tonga on January 15.Officials across the Pacific issued tsunami ...
The massive blast caused atmospheric shock waves seen by orbiting weather satellites.View Entire Post ›
As of 22 January 2025, the largest volcanic eruption of the 21st century is the 2022 Hunga Tonga–Hunga Haʻapai eruption and tsunami, and the deadliest are the 2018 Volcán de Fuego eruption and the 2018 Sunda Strait tsunami.
A survey of the caldera by a remote operated vehicle in August 2022 found continuing signs of volcanic activity. [73] In August 2022, a NASA report on the January 2022 eruption of Hunga Tonga–Hunga Haʻapai stated, "The huge amount of water vapor hurled into the atmosphere, as detected by NASA’s Microwave Limb Sounder, The excess water ...