A massive undersea volcano that erupted in Tonga last year reportedly disrupted satellite signals halfway around the world. Since then, an international team of researchers has used satellite- and ...

After experiencing severe cyclones, a volcanic eruption and tsunami in the past five years, Tongans are coming together to reduce the impact of extreme weather on vital infrastructure. Local ...

Researchers found that the Hunga-Tonga eruption was associated with the formation of an equatorial plasma bubble in the ionosphere, a phenomenon associated with disruption of satellite-based ...

BANGKOK, Thailand — As the massive undersea Hunga Tonga Hunga Ha’apai volcano erupted on Saturday, Tongans from around the world gazed on as their relatives livestreamed images of billowing clouds of ...

When the Hunga Tonga-Hunga Ha’apai volcano erupted in Tonga in January 2022, it became the largest eruption ever recorded with modern technology. The blast, estimated to be hundreds of times stronger ...

An international team has used satellite- and ground-based ionospheric observations to demonstrate that an air pressure wave triggered by volcanic eruptions could produce an equatorial plasma bubble ...