ANALISIS DATA KEGEMPAAN GUNUNGAPI GAMALAMA TERNATE, MALUKU UTARA

Indonesia is the meeting zone between three world main plates: Eurasian Plate,
Pacific Plate, and Indies – Australia Plate. Therefore, Indonesia has a high
seismicity degree. This research uses seismic method which includes the analysis
and determination of the energy RSAM (real-time seismic amplitude
measurement) and classify the type of earthquake based on Volcano Gamalama
envolve form Ternate. The data used are seismic data for the period 2015 consists
of Tectonic earthquake Away (TEJ), Tectonic earthquake Terasa (TRS),
Earthquake Teleseismik (TJ), Tectonic earthquake Local (TEL), Volcanic
Earthquake In (VA), volcanic earthquake Shallow (VB) , Blowing Earthquake,
Earthquake Tremor Harmonics (HRM), Earthquake Tremor Blowing.
The results showed a significant increase amplitude value on April 2 and July 16,
2015 which was followed by an explosion on August 4, 2015. Of the four stations
carrying value of the amplitude of the RSAM each with an energy of 80 and 60
(the average unit amplitude). On the classification of the earthquake during the
2015 earthquake is divided into 7 types of the most distant source to the surface
closest to the far tectonic earthquake, local tectonic, volcanic shallow, shallow
volcanic, gusts, tremors and eruptions. Analysis of the seismic data graphs that
occurred during 2015, namely Tectonics much dominated before the eruption
while the increase in seismicity is common in local earthquakes, volcanic
earthquakes and volcanic shallow fluctuating and rising at the time of the eruption
and after the eruption. And during the eruption of an earthquake gusts dominates
and continues until the end of the year.
Keyword : seismicity, Classification of the earthquake,RSAM (real-time seismic
amplitude measurement), analysis, Volcano Gamalama Ternate.