volcanic activity

Processing Sentinel-2's shortwave-infrared band shows the bright red lava flow on Mount Etna's southern flank on February 18, 2021.

Mount Etna Erupts

Caitlin Dempsey

Mount Etna's latest eruptions occurred on February 16 and again on February 18, 2021.

A map showing a dark red area measuring heat from an erupting volcano in Far East Russia.

Kambalny Volcano Erupts for the First Time in Almost 250 Years

Caitlin Dempsey

While the Kamchatka Peninsula has the highest concentration of active volcanoes on Earth, until recently the Kambalny Volcano had been dormant for almost 250 years.

Photograph of the eruption from the summit of Eyjafjallajökull from the north looking to the south across the Gígjökull outlet glacier, its "missing" proglacial (ice-margin) lake caused by the jökulhlaup that filled in the lake. Photo: Oddur Sigurðsson, Iceland Meteorological Office. Public domain.

Volcanoes and Glaciers in Iceland

Elizabeth Borneman

Iceland is a country of varied geography, topography, and landscape.

ZUBAIR ISLANDS ON DECEMBER 23, 2011. SOURCE: NASA’S EO-1 – ALI.

New Baby Island in the Zubair Islands

Caitlin Dempsey

A new island has been added to the Zubair Islands off the Yemeni coast as a result of volcanic activity that erupted on December 19, 2011.