The significant change in seismic activity for an active volcano is closely related to the stage of volcanic activity. Even in the dormancy period, the observation of seicmic activity of a particular volcano is very important to evaluate the status and to anticipate the future behavior. The Volcanological Survey of Indonesia installed triparti- te instruments at the Anak Krakatau and Sertung…
Pada uraian berikut akan dibahas sifat gelombang tremor vul-kanik secara semi-kwantitatif untuk mengetahui hubungan antara sebab, proses dan pengamatannya. Cara semi-kwantitatif dipilih supaya permasalahan tidak menjadi kompleks dan terlalu matematis.