Volcanic activity remains high at the Japanese Nishinoshima volcano, with large lava flows and ash emissions. Nishinoshima is the summit of a massive submarine volcano that has prominent satellitic peaks to the S, W, and NE. A near-crater warning is in effect since…
A strong eruptive event at Ecuador's Sangay volcano on Tuesday, June 9, 2020, produced a thick column of ash that rose up to 7 km (23 000 feet) above sea level. Several provinces were covered in ash, flights delayed and some roads closed. Ashfall was reported in…
New maritime campaigns carried out last month off the coast of Mayotte acquired new readings of the seabed over an area of approximately 1 500 km2 (580 mi2) east of the island. The goal was to better understand the seismo-volcanic crisis affecting Mayotte since May…
Steamboat Geyser in Wyoming is the world's tallest active geyser, which sometimes blasts water over 90 m (300 feet) into the air. At times, the geyser stays quiet for years then abruptly bursts back to life– a behavior that has been puzzling scientists. A new…
New activity/unrest was reported for 3 volcanoes from May 27 to June 2, 2020. During the same period, ongoing activity was reported for 13 volcanoes. New activity/unrest: Cleveland, Chuginadak Island (USA) | Ijen, Eastern Java (Indonesia) | Karymsky, Eastern…
Volcanic tremor at Mount Ijen in East Java, Indonesia, triggered the release of poisonous gas and a 3 m (10 feet) high tsunami at 05:30 UTC (12:30 LT) on Friday, May 29, 2020. A sulfur miner was found dead a day after, local media confirmed. The tremor resulted in…
A small explosion was detected at Cleveland volcano by regional infrasound sensors at about 06:32 UTC on June 2, 2020 (22:32 AKST, June 1). No other significant activity was detected and local monitoring stations are offline. A small ash plume was observed at 6.7…
New activity/unrest was reported for 1 volcano from May 20 – 26, 2020. During the same period, ongoing activity was reported for 13 volcanoes. New activity/unrest: Karymsky, Eastern Kamchatka (Russia). Ongoing activity: Aira, Kyushu (Japan), Dukono, Halmahera…
Strombolian activity increased at Etna's New Southeast Crater at 02:12 UTC on May 22, 2020, forcing authorities to raise the Aviation Color Code to Red. The explosive activity produced volcanic ash up to 4.5 km (14 800 feet) above sea level, blown by the winds…
Ongoing activity was reported for 13 volcanoes from May 13 to 19, 2020. Ongoing activity: Aira, Kyushu (Japan) | Asosan, Kyushu (Japan) | Dukono, Halmahera (Indonesia) | Ebeko, Paramushir Island (Russia) | Ibu, Halmahera (Indonesia) | Karymsky, Eastern Kamchatka…
