Fault systems of the eastern Indonesian triple junction : evaluation of Quaternary activity and implications for seismic hazards. / Watkinson, Ian; Hall, Robert.

Geohazards in Indonesia : Earth Science for Disaster Risk Reduction. ed. / Phil Cummins; Irwan Meilano. Vol. 441 Geological Society of London, 2016. p. 71-120.

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

Published

Standard

Fault systems of the eastern Indonesian triple junction : evaluation of Quaternary activity and implications for seismic hazards. / Watkinson, Ian; Hall, Robert.

Geohazards in Indonesia : Earth Science for Disaster Risk Reduction. ed. / Phil Cummins; Irwan Meilano. Vol. 441 Geological Society of London, 2016. p. 71-120.

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

Harvard

Watkinson, I & Hall, R 2016, Fault systems of the eastern Indonesian triple junction: evaluation of Quaternary activity and implications for seismic hazards. in P Cummins & I Meilano (eds), Geohazards in Indonesia : Earth Science for Disaster Risk Reduction. vol. 441, Geological Society of London, pp. 71-120. https://doi.org/10.1144/SP441.8

APA

Watkinson, I., & Hall, R. (2016). Fault systems of the eastern Indonesian triple junction: evaluation of Quaternary activity and implications for seismic hazards. In P. Cummins, & I. Meilano (Eds.), Geohazards in Indonesia : Earth Science for Disaster Risk Reduction (Vol. 441, pp. 71-120). Geological Society of London. https://doi.org/10.1144/SP441.8

Vancouver

Watkinson I, Hall R. Fault systems of the eastern Indonesian triple junction: evaluation of Quaternary activity and implications for seismic hazards. In Cummins P, Meilano I, editors, Geohazards in Indonesia : Earth Science for Disaster Risk Reduction. Vol. 441. Geological Society of London. 2016. p. 71-120 https://doi.org/10.1144/SP441.8

Author

Watkinson, Ian ; Hall, Robert. / Fault systems of the eastern Indonesian triple junction : evaluation of Quaternary activity and implications for seismic hazards. Geohazards in Indonesia : Earth Science for Disaster Risk Reduction. editor / Phil Cummins ; Irwan Meilano. Vol. 441 Geological Society of London, 2016. pp. 71-120

BibTeX

@inbook{b2adc9947cb44a22a44d632490c2f820,
title = "Fault systems of the eastern Indonesian triple junction: evaluation of Quaternary activity and implications for seismic hazards",
abstract = "Eastern Indonesia is the site of intense deformation related to convergence between Australia, Eurasia, the Pacific and the Philippine Sea Plate. Analysis of tectonic geomorphology, drainage patterns, exhumed faults and historical seismicity highlights faults that have been active during the Quaternary (Pleistocene to present day), even if instrumental records suggest some are presently inactive. Of twenty-seven largely onshore fault systems studied, eleven show evidence of a maximal tectonic rate, a further five show evidence of rapid tectonic activity. Three faults indicating slow to minimal tectonic rate nonetheless show indications of Quaternary activity, and may simply have long interseismic periods. Although most studied fault systems are highly segmented, many are linked by narrow (<3 km) step-overs to form one or more long, quasi-continuous segments that are capable of producing M >7.5 earthquakes. Sinistral shear across the soft-linked Yapen and Tarera-Aiduna faults and their continuation into the transpressive Seram fold-thrust belt represents perhaps the most active belt of deformation and hence greatest seismic hazard in the region. However, the Palu-Koro Fault, being long, straight and capable of generating supershear ruptures, is considered to represent the greatest seismic risk of all the faults evaluated in this region in view of important strike-slip strands that appear to traverse the thick Quaternary basin fill below Palu city. ",
keywords = "Indonesia, neotectonics, seismic hazards, earthquakes, remote sensing, active faults, Quaternary science, Sorong Fault, Palu Fault, Palu-Koro Fault, Tarera-Aiduna Fault",
author = "Ian Watkinson and Robert Hall",
year = "2016",
month = dec
day = "19",
doi = "10.1144/SP441.8",
language = "English",
isbn = "978-1-86239-966-2",
volume = "441",
pages = "71--120",
editor = "Phil Cummins and Irwan Meilano",
booktitle = "Geohazards in Indonesia",
publisher = "Geological Society of London",

}

RIS

TY - CHAP

T1 - Fault systems of the eastern Indonesian triple junction

T2 - evaluation of Quaternary activity and implications for seismic hazards

AU - Watkinson, Ian

AU - Hall, Robert

PY - 2016/12/19

Y1 - 2016/12/19

N2 - Eastern Indonesia is the site of intense deformation related to convergence between Australia, Eurasia, the Pacific and the Philippine Sea Plate. Analysis of tectonic geomorphology, drainage patterns, exhumed faults and historical seismicity highlights faults that have been active during the Quaternary (Pleistocene to present day), even if instrumental records suggest some are presently inactive. Of twenty-seven largely onshore fault systems studied, eleven show evidence of a maximal tectonic rate, a further five show evidence of rapid tectonic activity. Three faults indicating slow to minimal tectonic rate nonetheless show indications of Quaternary activity, and may simply have long interseismic periods. Although most studied fault systems are highly segmented, many are linked by narrow (<3 km) step-overs to form one or more long, quasi-continuous segments that are capable of producing M >7.5 earthquakes. Sinistral shear across the soft-linked Yapen and Tarera-Aiduna faults and their continuation into the transpressive Seram fold-thrust belt represents perhaps the most active belt of deformation and hence greatest seismic hazard in the region. However, the Palu-Koro Fault, being long, straight and capable of generating supershear ruptures, is considered to represent the greatest seismic risk of all the faults evaluated in this region in view of important strike-slip strands that appear to traverse the thick Quaternary basin fill below Palu city.

AB - Eastern Indonesia is the site of intense deformation related to convergence between Australia, Eurasia, the Pacific and the Philippine Sea Plate. Analysis of tectonic geomorphology, drainage patterns, exhumed faults and historical seismicity highlights faults that have been active during the Quaternary (Pleistocene to present day), even if instrumental records suggest some are presently inactive. Of twenty-seven largely onshore fault systems studied, eleven show evidence of a maximal tectonic rate, a further five show evidence of rapid tectonic activity. Three faults indicating slow to minimal tectonic rate nonetheless show indications of Quaternary activity, and may simply have long interseismic periods. Although most studied fault systems are highly segmented, many are linked by narrow (<3 km) step-overs to form one or more long, quasi-continuous segments that are capable of producing M >7.5 earthquakes. Sinistral shear across the soft-linked Yapen and Tarera-Aiduna faults and their continuation into the transpressive Seram fold-thrust belt represents perhaps the most active belt of deformation and hence greatest seismic hazard in the region. However, the Palu-Koro Fault, being long, straight and capable of generating supershear ruptures, is considered to represent the greatest seismic risk of all the faults evaluated in this region in view of important strike-slip strands that appear to traverse the thick Quaternary basin fill below Palu city.

KW - Indonesia

KW - neotectonics

KW - seismic hazards

KW - earthquakes

KW - remote sensing

KW - active faults

KW - Quaternary science

KW - Sorong Fault

KW - Palu Fault

KW - Palu-Koro Fault

KW - Tarera-Aiduna Fault

U2 - 10.1144/SP441.8

DO - 10.1144/SP441.8

M3 - Chapter (peer-reviewed)

SN - 978-1-86239-966-2

VL - 441

SP - 71

EP - 120

BT - Geohazards in Indonesia

A2 - Cummins, Phil

A2 - Meilano, Irwan

PB - Geological Society of London

ER -