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.
Ash clouds produced by the major eruption of Russia’s Sheveluch volcano led to the cancellation of scores of flights in Alaska. The ash clouds drifted across the International Date Line into Alaska airspace, causing safety concerns for airlines over the next couple of days. As a precautionary measure, Alaska Airlines canceled 45 flights to and from Alaska and within the state. Other airlines also had to cancel or delay their flights.
New activity/unrest was reported for 4 volcanoes from April 5 to 11, 2023. During the same period, ongoing activity was reported for 16 volcanoes.
