Karthala volcano (Grand Comore Island) - Smithsonian / USGS Weekly Volcanic Activity Report for 31 August-6 September 2022 (New Activity / Unrest)

According to the Direction Générale de la Sécurité Civile – Comores, the Observatoire Volcanologique du Karthala (OVK) reported that a significant increase in the number of small earthquakes beneath Karthala's W flank began to be detected on 15 July. The abnormal activity persisted, so on 16 August the Alert Level was raised to Yellow (the lowest level on a three-level scale) and residents were asked to limit activities on and around the volcano. On 5 September OVK recommended that the Alert Level remain at Yellow.

Source: Direction Générale de la Sécurité Civile – Comores
---
From: Global Volcanism Program, 2022. Report on Karthala. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 24 August-30 August 2022. Smithsonian Institution and US Geological Survey.