1. Paleomagnetic Laboratory Fort Hoofddijk Utrecht University Utrecht Netherlands
2. Centre for Information and Seismovolcanic Surveillance of the Azores (CIVISA) Ponta Delgada Portugal
3. Research Institute for Volcanology and Risk Assessment (IVAR) University of the Azores Ponta Delgada Portugal
4. Research Centre in Biodiversity and Genetic Resources (CIBIO) InBIO Associate Laboratory Pole of the Azores Ponta Delgada Portugal