scientists were perplexed by what could have triggered the 2022 Hunga Tonga–Hunga Ha'apai volcano eruption, which came to be considered one of the largest volcanic events in recorded history.

When Hunga Tonga–Hunga Haʻapai, an underwater volcano near Tonga in the South Pacific Ocean, erupted in 2022, scientists ...

Then, a roar from below the water. The towering undersea volcano known as Hunga Tonga-Hunga Ha‘apai had awakened, and on a balmy afternoon in January 2022 it began blasting its insides into the ...

More information: Jinyin Hu et al, A Composite Seismic Source Model for the First Major Event During the 2022 Hunga (Tonga) Volcanic Eruption, Geophysical Research Letters (2024). DOI: 10.1029 ...

A 2022 satellite photo shows smoke rising from a caldera on Tofua, highlighting the "looming threat" of the volcanic island.

Key takeawaysA new UCLA-led study shows that the 2022 eruption of underwater volcano Hunga Tonga–Hunga Haʻapai did not warm ...

When Hunga Tonga–Hunga Haʻapai, an underwater volcano near Tonga ... This detailed analysis helped them determine how the volcanic eruption changed the movement of energy in the atmosphere and ...

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an underwater volcanic eruption off Tonga in the South Pacific last year. While most big blasts cool the planet with a sun-dimming haze, the eruption of Hunga Tonga-Hunga Ha’apai in January 2022 ...