Ambae volcano (Vanuatu) - Smithsonian / USGS Weekly Volcanic Activity Report for 24 September-30 September 2025 (Continuing Activity)
Steam and/or gas emissions were visible in satellite and webcam observations on 12 September. The Alert Level remained at 2 (on a scale of 0-5), and the public was warned to stay outside of Danger Zone A, defined as a 2-km radius around the active vents in Lake Voui, and to stay away from drainages d…Open article
Ambrym volcano (Vanuatu) - Smithsonian / USGS Weekly Volcanic Activity Report for 24 September-30 September 2025 (Continuing Activity)
The Alert Level remained at 2 (on a scale of 0-5). VMGD warned the public …The Vanuatu Meteorology and Geohazards Department (VMGD) reported ongoing unrest at Ambrym during September. A weak thermal anomaly was detected in satellite images on 4 and 12 September. Seismic data confirmed ongoing unrest.
The Alert Level remained at 2 (on a scale of 0-5). VMGD warned the public to stay outside of Permanent Danger Zone A, defined as a 1-km radius around Benbow Crater and a 2-km radius around Marum Crater, and to stay 500 m away from the ground cracks created by the December 2018 eruption.
Source: Vanuatu Meteorology and Geohazards Department (VMGD)
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From: Global Volcanism Program, 2025. Report on Ambrym (Vanuatu). In: Mayberry, G (ed.), Weekly Volcanic Activity Report 17 …Open article





















