The vast majority of Earth’s volcanoes are under water, but little is known of the structure and evolution of submarine volcanoes. A bathymetric survey mapping the Monowai submarine volcano in the Tonga–Kermadec Arc twice within 14 days reveals dramatic changes in bathymetry of up to 71.9 m, associated with volcanic activity.
- A. B. Watts
- C. Peirce
- C. E. J. de Ronde