(2019). (2019) determined that the eruptive phase began fifty days after the initial seismic events occurred, on 3 July 2018.Between 2 and 18 May 2019, an oceanographic campaign (MAYOBS 1) discovered a new submarine eruption site 50 km E from the island of Mayotte (figure 2). According to REVOSIMA, these plumes rose to 1 km above the summit of the cone but did not breach the ocean surface. Preprint submitted to EarthArXiv, 28 February 2019. https://doi.org/10.31223/osf.io/d46xj.The Global Volcanism Program has no Weekly Reports available for Mayotte.Reports are organized chronologically and indexed below by Month/Year (Publication Volume:Number), and include a one-line summary. The volcano-tectonic crisis of 2018 east of Mayotte, Comoros islands.
Zinke J, Reijmer J J G, Thomassin B A, 2003. The volcano-tectonic crisis of 2018 east of Mayotte, Comoros islands. On 10 May 2018, the first seismic event occurred at 0814, detected by the YTMZ accelerometer from the French RAP Network, according to BRGM and Lemoine et al. They are based on data collected during the MAYOBS sea campaigns and the CNRS INSU Tellus Mayotte SISMAYOTTE research programme.
According to REVOSIMA, these plumes rose to 1 km above the summit of the cone but did not breach the ocean surface.
(2019), the Centre National de la Recherche Scientifique (CNRS), and the Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER).Seismicity was the dominant type of activity recorded in association with a new submarine eruption.
Two contemporaneous magma series on Mayotte Island, Comores Archipelago, Indian Ocean. The MAYOBS 4 (19 July 2019-4 August 2019) and SHOM (20-21 August 2019) missions revealed a new lava flow formed between 31 July and 20 August to the NW of the eruptive site with a volume of 0.08 km3 and covering 3.25 km2.During the MAYOBS 4 campaign in late July 2019, scientists dredged the NE flank of the cone for samples and took photographs of the newly erupted lava (figure 5). They were entrusted, in the context of inter-ministerial meetings, with the task of making concrete proposals for priority action to be carried out both in research and monitoring over the short, medium and long term in order to better understand the phenomena that are occurring and to provide those responsible for public safety with the scientific knowledge necessary for crisis preparedness and management.REVOSIMA publishes bi-monthly reports to monitor the seismic-volcanic activity in Mayotte.These actions are essential for preventing disasters and protecting populations. Between 2 and 18 May 2019, an oceanographic campaign (MAYOBS 1) discovered a new submarine eruption site 50 km E from the island of Mayotte (figure 2). The maps database originated over 30 years ago, but was only recently updated and connected to our main database.
A chain of basaltic volcanism began 10-20 million years ago and migrating W, making up four principal volcanic islands, according to the Institut de Physique du Globe de Paris (IPGP) and Cesca et al. According to REVOSIMA, the presence of multiple new lava flows would suggest multiple effusion points. Zinke J, Reijmer J J G, Taviani M, Dullo W C, Thomassin B, 2005. Seismicity continued to increase during 13-15 May 2018, with the strongest recorded event for the Comoros area occurring on 15 May at 1848 and two more events on 20-21 May (figure 1). Volcanism began roughly 15-10 million years ago (Pelleter et al., 2014; Nougier et al., 1986), and has included basaltic lava flows, nephelinite, tephrite, phonolitic domes, and pyroclastic deposits (Nehlig et al., 2013). The Comores archipelago in the western Indian Ocean: volcanology, geochronology and geodynamic setting.
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