Proyek Pengamatan/Pengawasan Gunungapi dan Penyuluhan Vulkanologi, Direktorat Vulkanologi, tahun anggaran 1987/ 1988 pada 28 April sampai 2 Mei 1987 bekerja sama dengan United States Geological Survey (USGS) memasang radio-tele-seismograph (RTS) atau pemantau gempa jarak jauh di G.Kelut, Jawa Timur.
Pediction of volcanic activity is among the important goals of the volcanologist. It is, in itself already a difficult matter, but an additional complexity is the need to place it in a human context as as to avoid volcanic disasters. Therefore, one of the main purpose of volcanic survey and mapping is to prepare or to assess volcanic hazard zones, and a interdisciplinary approach is required to…