PVMBG reported that the eruption at Semeru continued during 17-23 February, though weather conditions often prevented visual confirmation.
At 0601 on 17 February an ash plume rose 300 m and drifted N.
A white-and-gray ash plume rose 100 m and drifted N, NE, and E on 18 February.
The Alert Level remained at 2 (on a scale of 1-4), with a general exclusion zone of 1 km and extensions to 4 km in the SSE sector.
Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)