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A 2022 study in the journal Ocean Engineering by Heidarzadeh and others determined the size of the initial tsunami caused by the eruption. The study analyzed data from 22 tide gauges, eight Deep-ocean Assessment and Reporting of Tsunamis (DART) stations, eight atmospheric pressure time series, spectral analysis and computer simulation .
An explosive volcanic eruption occurred near the Kingdom of Tonga, a nation of 170 islands in the southwestern Pacific Ocean, causing tsunami waves to impact the region and ash to fill the sky. A ...
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 ...
The Tsunami advisory had largely been cancelled by 9 p.m. along the California coast, including in Los Angeles and Orange counties. However it remained in effect in San Luis Obispo and Santa ...
Ahyi Seamount is an active shallow submarine volcano in the Northern Mariana Islands, in the Northwestern Pacific Ocean. It has erupted 5 times since the year 2000; in 2001, 2014, 2022–23, and twice in 2024. [1] Since 2009, it has been a part of Marianas Trench Marine National Monument of the United States.
Before the 2022 eruption, the volcano's caldera was roughly 150 m below sea-level, and had a size of 4 × 2 km. [7] Its northern and southern portions were filled by volcanic deposits from previous eruptions. [7] Before the 2015 eruption, the two subaerial islands were about 1.6 km (0.99 mi) apart, [12] and were each about 2 km (1.2 mi) long.
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 ...
The 2022 eruption of Mauna Loa was an episode of eruptive volcanic activity at Mauna Loa, the world's largest active volcano, located on Hawaiʻi island, Hawaiʻi. Mauna Loa began to erupt shortly before midnight HST on November 27, 2022, when lava flows emerged from fissure vents in Moku‘āweoweo (Mauna Loa's summit caldera ).