The International VulcanaSymposium

November 7th, 2025

• Event organised by IEO-CSIC and GeoTenerife.
• Venue: Centro Oceanográfico de Canarias (IEO-CSIC). Calle Farola del Mar, 22, 38180 San Andrés, Santa Cruz de Tenerife
• Hybrid event (in-person + online).
• Attendance is completely free.
• In-person attendance includes coffee break + lunch and an attendance certificate.
• Speakers will choose English or Spanish for their presentations.
• Poster session.

Session 1

• Dr. Eugenio Fraile Nuez (IEO-CSIC) Long-term oceanographic monitoring over the most recent eruptions in the Canary Islands (Spain)
• Dr. Thibaut Barreyre (French National Centre for Scientific Research) Magmatic cycles modulate hydrothermal vent temperatures at the East Pacific Rise, 9° 50’N
• Dr. Pablo J. González (IPNA-CSIC) Pre, co, and post eruptive deformation at the Cumbre Vieja, La Palma
• Dr Ulf Skyllberg (Swedish University of Agricultural sciences) Mercury in the vicinity of submarine volcanic environments

Session 2

• Dr José Antonio Lozano (IEO-CSIC) Pillow lavas from the submarine delta generated during the eruption of Tajogaite Volcano in 2021-2022 on La Palma Island (Canary Islands)
• Scott Waters (CEO OF PISCES VI submarine) Deep diving human-occupied research submarines

• Juan Pablo Martín Díaz (IEO-CSIC / ULL) The active hydrothermal system in Calent mound: a physical-chemical characterisation of the hydrothermal fluids

• Dra Alba González-Vega (IEO-CSIC) Enmedio deep submarine volcano: first evidence of hydrothermal activity

• Dr. Jesús Alcázar Treviño (ULL/ IEO-CSIC) HYDROACOUSTIC DETECTION OF VOLCANOTECTONIC SEISMICITY DURING THE TAJOGAITE ERUPTION (LA PALMA, SPAIN)

• Dr. Eduard Puig Montellà (IEO-CSIC) Numerical modelling of landslides in volcanic islands: current understanding at the small scale and perspectives at the macro scale

• Javier Díaz Cabrera (Universidad de Granada)  Pilot Study: Volcanic Readiness in Vilaflor, Tenerife

Session 3

• Nestor Padron Castaneda (Subdirector of Security and Emergencies of the Canary Islands) – “Emergency Management in the Canary Islands”
• Dr Ines Galindo Jiménez “CSIC Disaster and Emergency Advisory Protocol”
• Dr Eugenio Fraile Nuez (IEO-CSIC) –  “CSIC Disaster and Emergency Advisory Protocol: Marine fuel-oil pollution emergency and sea-based corpse recovery”
• Dr Nieves Sanchez Jiménez  (IGME-CSIC) – “The Scientific advice provided for Fuego, Guatemala”
• Dr Stavros Meletlidis (IGN) – “Lessons Learned from the 21st Century Eruptions in the Canary Islands: the Synergy Between Volcanic Monitoring and Emergency Management”
• Sharon Backhouse (GeoTenerife) – “When communication fails, the people pay the price”

Session 1

• Eugenio Fraile Nuez (IEO-CSIC) “Long-term oceanographic monitoring over the two most recent eruptions in the Canary Islands: Tagoro submarine volcano (El Hierro) and Cumbre Vieja (La Palma)”
• Antonio Álvarez Valero (Universidad de Salamanca) “From magma source to eruption under Tagoro volcano (El Hierro, Canary Islands): Reading the sentences written in the rocks of the 2011-2012 submarine event”
• Pablo J. González (IPNA-CSIC) “El Hierro Island: a volcanology community vision after 10 years of its latest submarine eruption”
• Omaira Garćia Rodríguez (CIAI-AEMET) “IARC-AEMET activities during the 2021 La Palma volcano eruption”

Watch Session 1 here

Session 2

• Sam Mitchell (University of Bristol/IAVCEI Chair of submarine volcanism) “Incomplete records, data opportunities, and equitable research in marine volcanism”
• Ajay Wynne Jones (GeoTenerife) “VolcanoStories, the power of science communication to engage, educate, and inform”
• Jesús Alcázar Treviño (Universidad de La Laguna) “Acoustic detections of the lava seawater explosive interaction from the Cumbre Vieja eruption (La Palma, Spain)”
• Jesús M. Arrieta (IEO-CSIC) “Impacts of the volcanic eruption in La Palma (Canary Islands) on the nearby marine bacterioplankton communities”

Watch Session 2 here

Session 3

• Juan Tomás Vázquez (IEO-CSIC) “Quaternary deep water volcanoes and tectonics in the lower slope of the Canary Islands”
• Ramón Casillas Ruiz (Universidad de La Laguna) “Materials and rock structures in submarine volcanic environment: characteristics and genesis. Examples of the 2021 La Palma eruption”
• Montserrat Román Casamartina  (Gobierno de Canarias) “Emergency management in the Canary Islands. PEVOLCA – Volcanic crisis management”
• Early career researchers:
  • Juan Pablo Martín Díaz (IEO-CSIC/Universidad of La Laguna) “Direct measurements unveil the spatial distribution of hydrothermal fluid flow, heat, and nutrient outflow at Tagoro submarine volcano (Canary Islands, Spain)”
  • Cláudia Pérez Barrancos (IEO-CSIC/ULPGC) “Shifts in microbial structure response to hydrothermal fluids from Tagoro submarine Volcano (El Hierro, Spain).”
  • Eduardo Díaz Suárez (IGN/ULL)“The pre-eruptive seismic series of La Palma 2021 through a fully automatic analysis”
  • Alba González Vega (IEO-CSIC/ULPGC) “Impacts of the formation of lava deltas from the Cumbre Vieja eruption on the marine environment”
  • Alejandro Román Vázques (ICMAN-CSIC) “Use of remote sensing techniques for volcanic eruption monitoring of the 2021 eruption of La Palma island, Spain”

Virtual and in-person attendees were encouraged to submit questions for any of the speakers in the Q&A held at the end of each session, which was moderated by  Sharon Backhouse, GeoTenerife.

Watch Session 3 here

Session 1

• Dra. Nieves Sánchez (IGME-CSIC, Spanish Geological Survey) “Geosciences applied to geohazards management: The example of La Palma eruption”.
• Dr. Antonio Álvarez Valero (University of Salamanca) “From magma source to eruption under Tagoro volcano (El Hierro, Canary Islands): a petrologic, geochemical and physiographic overview of the 2011-2012 submarine event”.
• Dr. Itahiza Domínguez (IGN, Spanish National Geographic Institute) “Volcano monitoring of the last two eruptions in the Canary Islands by IGN”.
• Dr. Eugenio Fraile Nuez (IEO-CSIC, Spanish Institute of Oceanography) “Physical-chemical perturbations and biological response over the two most recent eruptions registered in the Canary Islands: Tagoro submarine volcano (El Hierro) and Cumbre Vieja (La Palma)”.

Session 2

• Dr. Samuel J. Mitchell (University of Bristol and Chair of submarine volcanism group of IAVCEI):
  “A brief overview of the IAVCEI commission: International Association of Volcanology and Chemistry of the Earth’s Interior”.
• Dr. Ramón Casillas (University of La Laguna) “Outcropping submarine volcanic rocks in the Canary Islands: genesis and meaning”.
• Dr. Juan Tomás Vázquez (IEO-CSIC, Spanish Institute of Oceanography) “Submarine morphology changes during the 2021 La Palma eruption”.
• Dr. Jesús M. Arrieta (IEO-CSIC, Spanish Institute of Oceanography) “Effect of volcanic inputs on marine microbial communities”.

Session 3

• Dra. Ana Raquel Díaz (IPNA-CSIC, Institute of Natural Products and Agrobiology) “Volcanic habitats for a singular bioprospection of marine bacteria”.
• Dña. Alba González Vega (PhD Student at IEO-CSIC) “The submarine volcano Tagoro: physical-chemical changes in the marine environment”.
• D. Juan Pablo Martín Díaz (PhD Student at IEO-CSIC) “First direct measurements of hydrothermal fluxes on the shallow submarine volcano Tagoro (El Hierro, Canary Islands): Preliminary results”.
• Dña. Clàudia Pérez Barrancos (PhD Student at IEO-CSIC) “Experimental evidence of hydrothermal vent fluids fueling microbes at the submarine volcano Tagoro”.
• D. Alejandro Román (PhD Student at ICMAN-CSIC) “Unmanned aerial vehicles (UAVs) as a tool for hazard assessment: The 2021 eruption of Cumbre Vieja volcano, La Palma Island (Spain)”.

Q+A Discussion

Virtual delegates were invited to submit questions in advance of the event which were raised at the final discussion panel. Moderators: Sharon Backhouse (GeoTenerife), Dr. Eugenio Fraile-Nuez (IEO-CSIC), Dr. Itahiza Domínguez (IGN), Dr. Ramón Casillas (ULL), Dra. Ana Raquel Díaz (IPNA-CSIC), Dr. Samuel J. Mitchell (IAVCEI).