By CHAKO TCHAMABE Boris1, Takeshi Ohba2, Gabor Kereszturi3, Karoly Nemeth, Aka Festus Tongwa, Dieudone Youmen, Isabel Meza, Yasuo Miyabuchi, Seigo Ooki, Greg Zinkeng Tanyileke4, Hell Joseph Victor
1. Universidad Autonoma de Mexico 2. Tokai University, Japan 3. Volcanic Risk Solutions, Massey University, New Zealand 4. Institute of Geological and Mining Research (IRGM)