The summit region of Kīlauea experienced tephra fallout and a Kona low storm this past week. Cleanup, recovery, and regrowth ...

Volcano Watch” is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory ...

The Pacific Tsunami Warning Center (PTWC) reported a tsunami warning for American Samoa that was generated by volcanic activity in Tonga. There is currently no tsunami threat to Hawaii. The University ...

Abstract: The eruption of Tonga submarine volcano on January 15, 2022 caused significant ionospheric oscillations, and the ionospheric disturbance exhibited rare interhemispheric coupling in the ...

Abstract: In [1], Fig. 1 incorrectly listed the date of the Tonga submarine volcano eruption as February 15. This has been corrected to January 15 in the revised version.Fig. 1.(a) Location of the ...

Here’s what you’ll learn when you read this story: The radiation budget between the northern and southern hemisphere is steadily widening. A new study suggests that this gap is due to radiation ...

A team of scientists has returned from a 54-day voyage on an Australian research vessel. They explored the impacts of the devastating 2022 eruption of Tonga's underwater volcano. The international ...

Hunga Tonga Volcano Erupts Again, Triggers Tsunami - Seen from space I SPACE.COM Posted: September 12, 2025 | Last updated: September 12, 2025 The Hunga Tonga-Hunga Ha'apai volcano erupted for the ...

Tsunamis pose a danger to every community across Canada’s three coastlines. A tsunami is a series of large, persistent waves caused by the sudden displacement of a body of water. Earthquakes are ...

The 2022 Hunga Tonga volcanic eruption sent ash 100,000 feet into the sky and generated shockwaves felt around the world. Its massive impact was even visible from space. In January 2022, the eruption ...