1. School of Agriculture and Environment, Massey University, Palmerston North 4442, New Zealand
2. Lithosphere Physics Research Group, Institute of Earth Physics and Space Science, 9400 Sopron, Hungary
3. The Geoconservation Trust Aotearoa Pacific, Opotiki 3122, New Zealand
4. Saudi Geological Survey, Jeddah 23632, Saudi Arabia
5. Istituto Nazionale di Geofisica e Vulcanologia, 00143 Roma, Italy