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Final Report Hyposentral Distribution and focal Mechanisms at Some Volcanoes in Indonesia Anak Krakatau, Guntur, Sangeangapi, and ILi Lewotollo
Indonesia has 129 volcanoes, 79 of them erupted after the 16th century. Volcanological Survey of Indonesia (VSI) has observed continuosly were 64 volcanoes from 68 observatory. The mayor methods to monitor the volcanoes are seismic observation by 1 seismometer and visual observation. Observers at the observatory have reported daily number of volcanic earthquakes and visual activity to VSI in Bandung every day.
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