PVMBG reported that during 6-13 April gray-and-white ash plumes from Ibu rose 200-1,000 m above the summit and drifted mainly N, E, and S.
The Alert Level remained at 2 (on a scale of 1-4), and the public was warned to stay at least 2 km away from the active crater and 3.5 km away on the N side.
Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)
Karymsky (Russia)
