Ash emissions over Anak Krakatau volcano, Indonesia
Indonesia’s Anak Krakatau volcano started erupting on May 11, 2023, after nearly a month and a half of quiescence.

Indonesia’s Anak Krakatau volcano started erupting on May 11, 2023, after nearly a month and a half of quiescence.

New activity/unrest was reported for 6 volcanoes from May 3 to 9, 2023. During the same period, ongoing activity was reported for 16 volcanoes.

An intense eruptive phase started at Guatemala’s Fuego volcano around 08:00 UTC on May 4, 2023, characterized by lava flows, constant incandescent activity, gas and ash emissions, and multiple high-speed pyroclastic flows of various intensities. Abundant ashfall was reported in villages and farms located up to 50 km (31 miles) W of the volcano.

New activity/unrest was reported for 6 volcanoes from April 26 – May 2, 2023. During the same period, ongoing activity was reported for 16 volcanoes.

A new volcanic eruption started at Barren Island volcano, India at around 02:00 UTC on May 1, 2023.

A sharp increase in SO2 emissions was recorded at Kanlaon volcano last week, creating concerns over potential phreatic eruptions.

New activity/unrest was reported for 4 volcanoes from April 19 – 25, 2023. During the same period, ongoing activity was reported for 17 volcanoes.

A team of oceanographers has mapped 19 000 previously unknown undersea volcanoes using radar satellite data, which could improve ocean current modeling and submarine navigation.

A notable eruptive pulse took place at Ecuador’s Sangay volcano on April 21, 2023, producing large volcanic ash emissions and ashfall west of the volcano.

New activity/unrest was reported for 3 volcanoes from April 12 to 18, 2023. During the same period, ongoing activity was reported for 18 volcanoes.