volcano activity

New activity/unrest was observed at 4 volcanoes from April 30 – May 6, 2014. Ongoing activity was reported for 13 volcanoes.New activity/unrest: Ahyi, Mariana Islands (USA)  | Merapi, Central Java (Indonesia)  | Slamet, Central Java (Indonesia) 

New activity/unrest was observed at 2 volcanoes from April 23 – 29, 2014. Ongoing activity was reported for 12 volcanoes.New activity/unrest: Ahyi, Mariana Islands (USA) | Merapi, Central Java (Indonesia)Ongoing activity: Aira, Kyushu (Japan)  | Batu

New activity/unrest was observed at 4 volcanoes from April 16 – April 22, 2014. Ongoing activity was reported for 10 volcanoes.New activity/unrest: Merapi, Central Java (Indonesia)  | Popocatépetl, Mexico  | Shishaldin, Fox Islands (USA)&n

New activity/unrest was observed at 5 volcanoes from April 2 – April 8, 2014. Ongoing activity was reported for 7 volcanoes.New activity/unrest: Copahue, Central Chile-Argentina border | Reventador, Ecuador | Shishaldin, Fox Islands (USA) | Tungurahua, Ecuador

New activity/unrest was observed at 9 volcanoes from March 26 – April 1, 2014. Ongoing activity was reported for 12 volcanoes.

New activity/unrest: Copahue, Central Chile-Argentina border  | Karkar, Papua New Guinea  | Krakatau, Indonesia  | Merapi,

New activity/unrest was observed at 3 volcanoes from March 19 – 25, 2014. Ongoing activity was observed at 15 volcanoes.

New activity/unrest: | Copahue, Central Chile-Argentina | Fuego, Guatemala | Ubinas, Perú

Ongoing activity:  | Aira,

New activity was reported for 1 volcano from March 12 – 18, ongoing activity was reported for 12 volcanoes. This weekly report covers active volcanoes in the world based on Smithsonian/USGS criteria.

New activity/unrest: | Ubinas,