1. Observatorio Vulcanológico y Sismológico de Costa Rica; Universidad Nacional; Heredia Costa Rica
2. Department of Earth and Planetary Sciences; University of New Mexico; Albuquerque New Mexico USA
3. Dipartimento DiSTeM; Università di Palermo; Palermo Italy
4. Istituto Nazionale di Geofisica e Vulcanologia; Sezione di Palermo; Palermo Italy
5. GEOMAR Helmholtz Centre for Ocean Research Kiel; Kiel Germany
6. New Mexico Bureau of Geology & Mineral Resources; Earth and Environmental Science Department; Socorro New Mexico USA
7. School of Earth Sciences; University of Bristol; Bristol UK
8. Dipartimento di Ingegneria Civile Design; Edilizia e Ambiente Seconda Università degli Studi di Napoli; Naples Italy
9. Department of Earth and Space Sciences; Chalmers University of Technology; Göteborg Sweden