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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: Foreshock–mainshock–aftershock sequence analysis of the 14 January 2021 (Mw 6.2) Mamuju–Majene (West Sulawesi, Indonesia) earthquake

Fig. 1

Map of the Sulawesi region, with the study area denoted by a blue box. Geological features are taken from Watkinson (2011). The three red stars depict the 15 January 2021 (Mw 6.2) mainshock from BMKG and the historical destructive earthquakes around Mamuju are taken from the USGS earthquake catalog. The historical seismicity (M ≥ 6.0) and Centroid Moment Tensor (CMT) solutions for the entire Sulawesi region in the time period 1977 to 2020 are taken from the global CMT catalog, except for the 1969 (M 7.0) event taken from Fitch (1972) and the 2021 (M 6.2) event from the BMKG catalog. The blue inverted triangles are the BMKG seismic stations used in earthquake relocation process; red traces represent major crustal faults in the region extracted from Irsyam et al. (2017). The inset map shows the Indonesian region, together with Indo-Australian and Pacific plate motions relative to the Eurasian plate

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