New Insights into Active Faulting in Sulawesi, Indonesia.
Saved in:
| Title: | New Insights into Active Faulting in Sulawesi, Indonesia. |
|---|---|
| Authors: | Patria, Adi1 adip006@brin.go.id, Titu-Eki, Adept2, Daryono, Mudrik Rahmawan1 |
| Source: | Journal of Engineering & Technological Sciences. Feb2026, Vol. 58 Issue 1, p121-138. 18p. |
| Subjects: | Structural geology, Geologic faults, Ground motion, Geodynamics, Indonesians |
| Geographic Terms: | Sulawesi (Indonesia), Indonesia |
| Abstract: | This study investigates the active tectonics of Sulawesi, Indonesia, a seismically active region at the convergence of the Pacific, Australian, and Eurasian plates. We analyze the geological influence on faulting styles and kinematics across the island by integrating geological, geodetic, and geophysical data. Our analysis, which includes geomorphic interpretations, reevaluation of GPS velocities, and earthquake catalogs, reveals diverse deformation regimes in Sulawesi. The North Arm exhibits thrust faulting associated with the subduction zone and normal faulting due to extensional deformation on the overriding plate. The East Arm is dominated by strikeslip faulting along the Balantak fault. Central Sulawesi exhibits prominent seismic activity along the Palu-Koro and Matano faults. West Sulawesi is characterized by a combination of thrust and strike-slip faulting. Lithotectonic units on each arm of Sulawesi are closely related to crustal thickness. The volcanic and plutonic province on the North and West Arms has a thicker crust, while the metamorphic and ophiolite belts in central Sulawesi, and the East and Southeast Arms have thinner crust. Some major faults form boundaries between lithotectonic units, and the transitions between the major strike-slip faults coincide with lithotectonic changes, suggesting a geological influence on the distribution of faults. The North Arm exhibits extension related to subduction rollback, evidenced by normal faulting and divergence motion. Central Sulawesi shows a transition from contraction in the north of the Matano fault, accommodated by thrust faults, to extension east of the Palu-Koro fault. The Southeast Arm is also dominated by strike-slip along the Kolaka fault. [ABSTRACT FROM AUTHOR] |
| Copyright of Journal of Engineering & Technological Sciences is the property of Institut Teknologi Bandung and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Links: – Type: pdflink Text: Availability: 0 |
|---|---|
| Header | DbId: egs DbLabel: Engineering Source An: 191025518 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
| IllustrationInfo | |
| Items | – Name: Title Label: Title Group: Ti Data: New Insights into Active Faulting in Sulawesi, Indonesia. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Patria%2C+Adi%22">Patria, Adi</searchLink><relatesTo>1</relatesTo><i> adip006@brin.go.id</i><br /><searchLink fieldCode="AR" term="%22Titu-Eki%2C+Adept%22">Titu-Eki, Adept</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Daryono%2C+Mudrik+Rahmawan%22">Daryono, Mudrik Rahmawan</searchLink><relatesTo>1</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Journal+of+Engineering+%26+Technological+Sciences%22">Journal of Engineering & Technological Sciences</searchLink>. Feb2026, Vol. 58 Issue 1, p121-138. 18p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Structural+geology%22">Structural geology</searchLink><br /><searchLink fieldCode="DE" term="%22Geologic+faults%22">Geologic faults</searchLink><br /><searchLink fieldCode="DE" term="%22Ground+motion%22">Ground motion</searchLink><br /><searchLink fieldCode="DE" term="%22Geodynamics%22">Geodynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Indonesians%22">Indonesians</searchLink> – Name: SubjectGeographic Label: Geographic Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Sulawesi+%28Indonesia%29%22">Sulawesi (Indonesia)</searchLink><br /><searchLink fieldCode="DE" term="%22Indonesia%22">Indonesia</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: This study investigates the active tectonics of Sulawesi, Indonesia, a seismically active region at the convergence of the Pacific, Australian, and Eurasian plates. We analyze the geological influence on faulting styles and kinematics across the island by integrating geological, geodetic, and geophysical data. Our analysis, which includes geomorphic interpretations, reevaluation of GPS velocities, and earthquake catalogs, reveals diverse deformation regimes in Sulawesi. The North Arm exhibits thrust faulting associated with the subduction zone and normal faulting due to extensional deformation on the overriding plate. The East Arm is dominated by strikeslip faulting along the Balantak fault. Central Sulawesi exhibits prominent seismic activity along the Palu-Koro and Matano faults. West Sulawesi is characterized by a combination of thrust and strike-slip faulting. Lithotectonic units on each arm of Sulawesi are closely related to crustal thickness. The volcanic and plutonic province on the North and West Arms has a thicker crust, while the metamorphic and ophiolite belts in central Sulawesi, and the East and Southeast Arms have thinner crust. Some major faults form boundaries between lithotectonic units, and the transitions between the major strike-slip faults coincide with lithotectonic changes, suggesting a geological influence on the distribution of faults. The North Arm exhibits extension related to subduction rollback, evidenced by normal faulting and divergence motion. Central Sulawesi shows a transition from contraction in the north of the Matano fault, accommodated by thrust faults, to extension east of the Palu-Koro fault. The Southeast Arm is also dominated by strike-slip along the Kolaka fault. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Journal of Engineering & Technological Sciences is the property of Institut Teknologi Bandung and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
| PLink | https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=191025518 |
| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.5614/j.eng.technol.sci.2025.58.1.9 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 18 StartPage: 121 Subjects: – SubjectFull: Structural geology Type: general – SubjectFull: Geologic faults Type: general – SubjectFull: Ground motion Type: general – SubjectFull: Geodynamics Type: general – SubjectFull: Indonesians Type: general – SubjectFull: Sulawesi (Indonesia) Type: general – SubjectFull: Indonesia Type: general Titles: – TitleFull: New Insights into Active Faulting in Sulawesi, Indonesia. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Patria, Adi – PersonEntity: Name: NameFull: Titu-Eki, Adept – PersonEntity: Name: NameFull: Daryono, Mudrik Rahmawan IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 02 Text: Feb2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 23375779 Numbering: – Type: volume Value: 58 – Type: issue Value: 1 Titles: – TitleFull: Journal of Engineering & Technological Sciences Type: main |
| ResultId | 1 |
