• Unrest in Long Valley Caldera, California, 1978–2004, D P Hill • The Campi Flegrei Caldera: unrest mechanisms and hazards, G De Natale, C Troise, F Pingue, G Mastrolorenzo, L Pappalardo, M Battaglia and E Boschi • Large ignimbrite eruptions and volcano-tectonic depressions in the Central Andes: a thermomechanical perspective, S de Silva, G Zandt, R Trumbull, J G Viramonte, G Salas and N Jímenez • How the development of magma chambers affects collapse calderas: insights from an overview, K Aizawa, V Acocella and T Yoshida • Ring faults in composite volcanoes: structures, models, and stress fields associated with their formation, A Gudmundsson and K Nilsen • Faults and ground uplift at active calderas, A Folch and J Gottsmann • Lateral collapse and tsunamigenic potential of marine volcanoes, W J McGuire • Ground deformation at Campi Flegrei, Italy: implications for hazard assessment, F Bellucci, J Woo, C R J Kilburn and G Rolandi • Volcanic hazard assessment at Campi Flegrei Caldera, G Mastrolorenzo, L Pappalardo, C Troise, S Rossano, A Panizza, and G De Natale • The search for magma reservoirs in Long Valley Caldera: single versus distributed sources, M Battaglia and D W Vasco
• On the mechanics of caldera resurgence of Ischia Island (southern Italy), S Carlino, E Cubellis, G Luongo and F Obrizzo