Smithsonian / USGS Weekly Volcanic Activity Report
[link to www.volcano.si.edu
New Activity/Unrest: | Fuego, Guatemala | Lokon-Empung, Sulawesi | Paluweh, Lesser Sunda Islands (Indonesia) | Suwanose-jima, Ryukyu Islands (Japan) | Tengger Caldera, Eastern Java (Indonesia)
Ongoing Activity: | Bagana, Bougainville | Batu Tara, Komba Island (Indonesia) | Galeras, Colombia | Karymsky, Eastern Kamchatka (Russia) | Kilauea, Hawaii (USA) | Manam, Northeast of New Guinea (SW Pacific) | Sakura-jima, Kyushu | Shiveluch, Central Kamchatka (Russia)
...PALUWEH Lesser Sunda Islands (Indonesia) 8.32°S, 121.708°E; summit elev. 875 m
Based on seismic data and visual observations, CVGHM raised the Alert Level for Paluweh (also known as Rokatenda) from 1 to 2 (on a scale of 1-4) on 8 October.
...SUWANOSE-JIMA Ryukyu Islands (Japan) 29.635°N, 129.716°E; summit elev. 799 m
Based on a pilot observation, the Tokyo VAAC reported that on 3 October an ash plume from Suwanose-jima drifted SW at altitude of 3 km (10,000 ft) a.s.l.
...TENGGER CALDERA Eastern Java (Indonesia) 7.942°S, 112.95°E; summit elev. 2329 m
CVGHM reported that during 1 September-3 October diffuse white plumes from Tengger Caldera's Bromo cone rose 50 m above the crater. Seismicity increased on 1 October, and during 1-3 October a sulfur odor was occasionally noted at the Bromo Observation Post. On 3 October the Alert Level was raised to 2 (on a scale of 1-4)...