Sentinel-2 satellite views erupting Mauna Loa volcano, Hawai’i

Sentinel-2 satellite views erupting Mauna Loa volcano, Hawai’i

Mauna Loa started erupting at around 09:30 UTC on November 28, 2022 (23:30 LT on November 27) in Moku‘āweoweo, the summit caldera of Mauna Loa, inside Hawai‘i Volcanoes National Park. Mauna Loa is the largest active volcano on our planet. Its last eruption took place in 1984 (VEI 0).

New eruptive fissure vent opens at Etna, Italy

New eruptive fissure vent opens at Etna, Italy

A new eruptive fissure event opened at the northeastern base of Etna’s SE crater on November 27, 2022. The vent was first seen at around 17:00 UTC when persistent cloud coverage thinned.

Significant underwater gas emissions at Nishinoshima volcano, Japan

Significant underwater gas emissions at Nishinoshima volcano, Japan

Satellites are registering significant underwater gas emissions at Nishinoshima volcano, Japan following increased eruptive activity at the volcano that started in September 2022. The activity at the volcano further intensified on October 2 and 3.

The fullest investigation of the massive Hunga Tonga-Hunga Ha’apai eruption to date

The fullest investigation of the massive Hunga Tonga-Hunga Ha’apai eruption to date

In January 2022, Hunga-Tonga Hunga-Ha’apai (HT-HH) emitted the biggest atmospheric explosion recorded on Earth in more than 100 years. Several months after the eruption, a New Zealand-led team has completed the fullest investigation to date into the eruption of this underwater Tongan volcano.

Etna showing signs of renewed unrest, Italy

Etna showing signs of renewed unrest, Italy

Etna showed signs of increased unrest on November 15, 2022, forcing the Etna Volcano Observatory to raise the Aviation Color Code for the volcano from Green to Yellow. It was lowered back to Green at 10:20 UTC on November 16 after geophysical parameters returned to background levels.