10.5880/GFZ.2.1.2019.004 Cesca, Simone Simone Cesca 0000-0001-9419-3904 GFZ German Research Centre for Geosciences Potsdam, Germany Heimann, Sebastian Sebastian Heimann 23492488600 GFZ German Research Centre for Geosciences Potsdam, Germany Letort, Jean Jean Letort 36494964600 IRAP - Observatoire Midi Pyréenées, Toulouse, France Razafindrakoto, Hoby N. T. Hoby N. T. Razafindrakoto 0000-0002-7717-280X GFZ German Research Centre for Geosciences Potsdam, Germany Dahm, Torsten Torsten Dahm 0000-0001-6432-7422 GFZ German Research Centre for Geosciences Potsdam, Germany Cotton, Fabrice Fabrice Cotton 7201778178 GFZ German Research Centre for Geosciences Potsdam, Germany GFZ Data Services 2019 Seismic Catalog Volcano-Tectonic Seismicity Very Long Period Signals Seismology Volcanology EARTH SCIENCE > SOLID EARTH > TECTONICS > EARTHQUAKES EARTH SCIENCE > SOLID EARTH > TECTONICS > EARTHQUAKES > EARTHQUAKE OCCURRENCES EARTH SCIENCE > SOLID EARTH > TECTONICS > VOLCANIC ACTIVITY science > natural science > earth science > geophysics Cesca, Simone Simone Cesca 0000-0001-9419-3904 GFZ German Research Centre for Geosciences Potsdam, Germany Cesca, Simone Simone Cesca 0000-0001-9419-3904 GFZ German Research Centre for Geosciences Potsdam, Germany Heimann, Sebastian Sebastian Heimann 23492488600 GFZ German Research Centre for Geosciences Potsdam, Germany Letort, Jean Jean Letort 36494964600 IRAP - Observatoire Midi Pyréenées, Toulouse, France Razafindrakoto, Hoby N. T. Hoby N. T. Razafindrakoto 0000-0002-7717-280X GFZ German Research Centre for Geosciences Potsdam, Germany Dahm, Torsten Torsten Dahm 0000-0001-6432-7422 GFZ German Research Centre for Geosciences Potsdam, Germany Cotton, Fabrice Fabrice Cotton 7201778178 GFZ German Research Centre for Geosciences Potsdam, Germany Cesca GFZ German Reseach Centre for Geosciences Potsdam 2019-11-01 2018-01-01/2019-05-01 Dataset 10.1038/s41561-019-0505-5 10.5880/GFZ.2.1.2018.003 1.0 (October 2019) CC BY 4.0 In May 2018 a volcano-seismic sequence accompanied the upward migration of a magmatic intrusion from Moho depth to the seafloor led to the drainage of the deep magmatic reservoir and to the birth of a submarine volcano offshore the island of Mayotte, Comoro Islands. This process of magma transport was accompanied by an intense seismic swarm and peculiar long-duration very long period signals. Between 1 January 2018 and 1 May 2019 we detected 407 sources of very long period signals and 6990 volcano-tectonic earthquakes. This report collects detection, location and source parameters catalogs for these two sets of earthquake sources.


This data publication provides the catalogues of very long period (VLP) signals and volcano-tectonic (VT) earthquakes, as discussed in Cesca et al. (2019). Here, methods and data used to create the different catalogues are only briefly discussed; a more accurate description is given in Cesca et al. (2019), which furthermore discusses the different processes of dike migration, undersea eruption, deep reservoir drainage and overburden sagging which are responsible for the seismic activity.
45 46.5 -13.5 -12