Volcanos

Roundup of Global Volcanic Activity

Slamet (Central Java): According to the latest report by VSI, both the number of explosions observed and corresponding seismic signals have increased over the past days. 17 eruptions were observed during 1-2 July, compared to 14 during 15-30 June. Ash plumes have been rising up to 1,4 km above the crater and glow / incandescent material was occasionally observed. The intensity of current activity at Slamet is still within the range of level 2 on a scale of 1-4 (Waspada:"watch"), comparable to March-April. VSI warns that explosions could eject lava bombs to up to 2 km distance.

Ambang (North Sulawesi & Sangihe Islands): A swarm of volcanic earthquakes that started yesterday under the volcano prompted VSI to raise the alert status from normal to waspada (2 on a scale of 1-4). During 3 July, 62 volcanic quakes were detected, compared to averaged of 1-2 per day during the previous weeks. A light steam plume could be observed from the volcano's summit. The remote volcano had its last eruption in 2005, when phreatic explosions occurred.