Erupsi Gunungapi Kelud pada tahun 2007 diawali dengan peningkatan kegempaan pada September 2007 dan diakhiri dengan pembentukan Kubah Lava di Danau Kawah pada 3 Nopember 2007. Fenomena ini merupakan peralihan sifat erupsi, karena erupsi terakhir sebelumnya pada Pebruari 1990 bersifat eksplosif.
The first is the present statement of the volcanological application ot the SP method. This method is typically used detect hydrothermal zones which exist when two conditions are filled up; presence of a heat source and of a zone with high permeability.
Mount Merapi, island are volcano located in the center of Java (Indonesia), lies upon the remnents of a volcano older than 400.000 years called Pre-Merapi. Sensu stricto Merapi is a very young volcano characterised by a rapid edification. Its history is divided into four periods (ancient, Middle aged, Recent and Historical Merapi).