Suwarno Suwarno   Pendidikan Geografi FKIP UMP, Indonesia,
Sutomo Sutomo   , Indonesia

Su Ritohardoyo   Fakultas Geografi Universitas Gadjah Mada, Bulaksumur, Telp (0274) 902336, Telex: 25135 Yogyakarta

Beny Harjadi   Balai Penelitian Kehutanan Solo Jalan Ahmad Yani Pabelan, Po.Box.295, Surakarta. Jawa Tengah, Telp/Fax : 0271–716709, 715969, Indonesia

Djaka Marwasta   Fakultas Geografi Universitas Gadjah Mada, Bulaksumur, Telp (0274) 902337, Fax (0274) 589595,
Kuswaji Dwi Priyono   Fakultas Geografi Universitas Muhammadiyah Surakarta Jl. A Yani Pabelan Kartosuro Tromol Pos I Surakarta 57162, Telp (0271) 717417 PS. 151-153, Fax: (0271) 715448

Langgeng Wahyu Santosa   Environment Geography Department, Faculty of Geography, Gadjah Mada University,
Tjahyo Nugroho Adji   Environment Geography Department, Faculty of Geography, Gadjah Mada University

Nita Suhartini   Pusat Aplikasi Tehnologi Isotop dan Radiasi - BATAN Jl. Cinere Pasar Jumat Kotak Pos 7002 JKSKL, Jakarta 12070, Indonesia

Franck Lavigne   Laboratoire de Géographie Physique, UMR 8591, CNRS, Meudon, France, France,
Jean-Claude Thouret   Laboratoire Magmas et Volcans, OPGC, Université Blaise Pascal et CNRS, Clermont-Ferrand, France, France,
Danang Sri Hadmoko   Research Centre for Disasters, Gadjah Mada University, Bulaksumur C-16,,
Bambang Sukatja   Balai Sabo, Sopalan, Maguwoharjo, Yogyakarta.

Sutikno Sutikno   Faculty of Geography, Gadjah Mada University, Yogyakarta, Indonesia Research Centre for Disaster, Gadjah Mada University, Yogyakarta, Indonesia