Secondary gravity waves emerge as the hidden architects of global-scale thermospheric upheaval following the Tonga eruption in 2022.

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.

In 2014, a massive eruption formed the new island of Hunga Tonga-Hunga Ha'apai. But there's something about this island that has scientists stumped. Following is a transcript of the video.

On the 14th of January, 2022, the Hunga Tonga-Hunga Ha’apai volcano began a gigantic eruption that would go on to peak in ferocity the next day. The uninhabited island volcano would quickly make ...

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 ...

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

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The Hunga Tonga-Hunga Ha'apai erupted for days, covering the Pacific islands in ash, cutting power and severing communications. The Yizhuang half marathon is the first time robots have raced ...

The Hunga Tonga-Hunga Ha'apai volcano sent strong waves to nearby countries including Peru, Chile, and Fiji after it erupted on Saturday. The Yizhuang half marathon is the first time robots have ...