Gemini Observatory records volcanic gravity waves over Hawai’i, U.S.

Gemini Observatory records volcanic gravity waves over Hawai’i, U.S.

Hours after the massive eruption at Hunga Tonga-Hunga Ha'apai1 volcano on January 15, 2022, cameras at the Gemini Observatory on Mauna Kea, Hawai'i, U.S. recorded red waves rippling over Hawai'i. "These are gravity waves, a type of atmospheric…

Elevated levels of sulfur dioxide across the SW Pacific and Australia

Elevated levels of sulfur dioxide across the SW Pacific and Australia

Elevated levels of sulfur dioxide (SO2) are present across the SW Pacific and Australia after the eruption of the Hunga Tonga-Hunga Ha'apai volcano on January 15, 2022. Since the eruption, the volcano has been releasing huge amounts of sulfur dioxide and…

Tsunami waves up to 10 m (33 feet) high hit Ha’apai Islands, Tonga

Tsunami waves up to 10 m (33 feet) high hit Ha’apai Islands, Tonga

The Tongan Navy has reported major damage in the Ha’apai Islands after the major eruption at Hunga Tonga-Hunga Ha'apai volcano on January 15, 2022. Waves that hit Ha'apai Islands were estimated to be 5 – 10 meters (16 – 33 feet) in height, reaching…

Eruption at Hunga Tonga-Hunga Ha’apai, Tonga

Eruption at Hunga Tonga-Hunga Ha’apai, Tonga

Eruption at Hunga Tonga-Hunga Ha'apai volcano in Tonga started on December 19, 2021, and continued into 2022 although at a much lower intensity. The Aviation Color Code remains at Orange. Intermittent eruption with an ash plume rising up to 3 km (10 000 feet)…