Open AccessHypocenter dimension of 7.5 mw Palu earthquake using fractal approach
Author(s) -
Syamsurijal Rasimeng,
Alimuddin Alimuddin,
Rustadi,
Rudy Z. Sinambela,
Idris Mandang,
Samsul Bakri,
Ahmad Zaenudin
Publication year - 2020
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/575/1/012161
Subject(s) - hypocenter , seismology , geology , fractal dimension , induced seismicity , earthquake magnitude , fractal , magnitude (astronomy) , correlation dimension , geodesy , geometry , physics , scaling , mathematics , mathematical analysis , astronomy
Research on the Palu earthquake in the period of August to October 2018 has been carried out in the Palu Koro Fault (PKF) zone with a hypocenter of 5-20 km. This study aims to determine the fractal dimensions of these earthquakes based on the relationship between logarithmic frequency and earthquake magnitude correlation introduced by Gutenberg-Richter. Statistical correlation between logarithmic frequency and earthquake magnitude was calculated using the inversion approach. Based on the calculation results obtained fractal dimension value of 1.0378, which describes the seismicity pattern at a depth of 5-20 km. It indicates that the earthquakes triggered by the movement in rupture segments which seen as points along the PKF zone.