The “seismic crisis” around the region of the Chiles and Cerro Negro de Mayasquer volcanoes near the Columbia-Ecuador border is likely caused by intruding magma, according to a report by R. Corredor Torres of the Servicio Geológico Colombiano and coll
A team of University of Utah seismologists discovered and made images of a reservoir of hot, partly molten rock about 19 to 45 km (12 to 28 miles) beneath the Yellowstone supervolcano, and it is 4.4 times larger than the shallower, long-known magma chamber.The hot rock
New activity/unrest was observed at 6 volcanoes from April 15 – 21, 2015. During the same period, ongoing activity was observed at 15 volcanoes.New activity/unrest: Chikurachki, Paramushir Island (Russia) | Raung, Eastern Java (Indonesia) | Sinabung, Indonesia | Tongari
A major explosive eruption started at Chile's Calbuco volcano at 21:05 UTC on April 22, 2015 (18:05 local time). By 22:08 UTC, ash plume rose up to 12.1 km (40 000 feet), Buenos Aires VAAC reported. Aviation Color Code was raised to Red. The last eruption of this vo
According to Peru's Observatorio Volcanológico del Sur (OVS) snow melt during April 12 – 13, 2015 led to large lahars that descended the southern flank of Ubinas volcano blocking off access to the town of Ubinas. Authorities are warning locals to be on alert.
New activity/unrest was observed at 4 volcanoes from April 8 – 14, 2015. During the same period, ongoing activity was observed at 14 volcanoes.New activity/unrest: Chirinkotan, Kuril Islands (Russia) | Semeru, Eastern Java (Indonesia) | Tungurahua , Ecuador | Villarrica
The Japan Meteorological Agency (JMA) has issued an alert for a possible eruption of Mount Zaosan, Zaozan volcano group in northeastern Japan citing a large amount of volcanic activity observed there this month, The Asahi Shimbun reports. The last eruption in this volca
Geologist Yoon Seong-hyo from Pusan National University who has been monitoring Mount Baegdu, a massive stratovolcano located on the border of North Korea and China, said on Sunday, April 12, 2015 the volcano is on the verge of erupting.Mount Baegdu is relatively
New activity/unrest was observed at 6 volcanoes from April 1 – 7, 2015. During the same period, ongoing activity was observed at 17 volcanoes.New activity/unrest: Batu Tara, Komba Island (Indonesia) | Chirinkotan, Kuril Islands (Russia) | Semisopochnoi, United States |
Peru's Ubinas volcano erupted at 08:32 UTC on April 8, 2015 covering nearby villages with a thin layer of ash. Emissions of steam and gasses reached an estimated altitude of 5.1 km, Buenos Aires VAAC reports.Ash fall was expected within 25 km to the southeast. Exper
