Ibu volcano (Halmahera) - Smithsonian / USGS Weekly Volcanic Activity Report for 17 May-23 May 2023 (Continuing Activity)
Wed, 24 May 2023, 14:00 14:00 PM | BY: VNPVMBG reported that Ibu continued to erupt during 18-23 May. An average of approximately 80 eruption-related earthquakes were recorded by the seismic network during 18-22 May. White-and-gray emissions of variable densities rose as high as 1 km above the summit and drifted N, E, SE, and W.
At 2021 and 2140 on 21 May dense gray ash plumes rose 600 m and 1 km above the summit, respectively, and drifted W. The Alert Level remained at a 2 (the second highest level on a four-level scale), and the public was advised to stay outside of the 2 km hazard radius, and to stay 3.5 km away from the N area of the active crater.
Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)
From: Global Volcanism Program, 2023. Report on Ibu. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 17 May-23 May 2023. Smithsonian Institution and US Geological Survey.
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Mon, 22 May 2023, 01:15
Ibu Volcano Volcanic Ash Advisory: VA TO FL060 OBS AT 22/0040Z MOV E OBS VA DTG: 22/0040Z to 6000 ft (1800 m)
Sun, 21 May 2023, 14:30
Ibu Volcano Volcanic Ash Advisory: VA REPORTED TO FL080 MOV W AT 21/1240Z OBS VA DTG: 21/1410Z