1. Massey University Volcanic Risk Solutions, , Tennent Drive, Palmerston North 4410, New Zealand
2. Victoria University of Wellington School of Geography, Environment, and Earth Sciences, , Kelburn Parade, Wellington 6012, New Zealand
3. University of Geneva Department of Earth Sciences, , 13 Rue des Maraîchers, 1205 Geneva, Switzerland
4. Hokkaido University Isotope Imaging Laboratory, Creative Research Institution, , North 21, West 10, Kita-ku, Sapporo 001-0021, Japan
5. Academia Sinica Institute of Earth Sciences, , No. 128, Section 2, Academia Road, Taipei 11529, Taiwan