All the contents of BRGM, the French geological survey, about the earthquakes in Mayotte.

Cross-section of the volcanic structure beneath Mayotte. This three-dimensional representation provides a conceptual model of how the sections of the magma reservoir beneath the island might be connected.
Press release
A magma reservoir discovered under Mayotte
12 Nov 2025
Moya craters, Mayotte
Video
Mayotte: how was the island formed?
6 Nov 2023
Illustration of bathymetric acquisition with multibeam echosounder
Feature article
Volcanoes and earthquakes in Mayotte: BRGM closely involved
6 May 2021
Aboard the vessel Marion Dufresne to study the sea floor off the coasts of Mayotte
Video
Mayotte Volcanoes and Earthquakes: scientific missions
22 Apr 2021
Rocks dredged near the volcano
Reference, completed project
Seismic-volcanic monitoring in Mayotte: BRGM continues its efforts
17 Sep 2020
Aboard the vessel Marion Dufresne, a team studies the sea floor off the coast of Mayotte
Article
Two years of seismic crisis and the birth of an underwater volcano in Mayotte
25 Aug 2020
Filled rock dredge
Field notes
Encountering a new volcano
3 Jul 2020
Map of operations and observations carried out by the MAYOBS 13-2 campaign
Press release
Successful completion of maritime campaigns to monitor seismic and volcanic phenomena off the coast of Mayotte
4 Jun 2020
MAYOBS2 oceanographic campaign in Mayotte to study the new underwater volcano discovered in May 2019
News
Earthquakes in Mayotte: new oceanographic campaigns
4 May 2020
Submarine reliefs off the coast of Mayotte, recorded as part of the oceanographic missions carried out around the birth of a new underwater volcano
News
Launch of a measurement campaign in Mayotte
26 Feb 2020
Lake Dziani, a vestige of recent volcanic activity in Mayotte
Reference, completed project
Activities to support management of the ongoing seismo-volcanic crisis in Mayotte
9 Dec 2019
Submarine reliefs off the coast of Mayotte, recorded as part of the oceanographic missions carried out around the birth of a new underwater volcano
News
Volcanic eruption and earthquakes in Mayotte: surveillance entrusted to REVOSIMA
30 Sep 2019