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dc.contributor.authorSupendi, Pepen
dc.contributor.authorRawlinson, Nicholas
dc.contributor.authorPrayitno, Bambang Setiyo
dc.contributor.authorSianipar, Dimas
dc.contributor.authorSimanjuntak, Andrean
dc.contributor.authorWidiyantoro, Sri
dc.contributor.authorPalgunadi, Kadek Hendrawan
dc.contributor.authorKurniawan, Andri
dc.contributor.authorShiddiqi, Hasbi Ash
dc.contributor.authorNugraha, Andri Dian
dc.contributor.authorSahara, David P.
dc.contributor.authorDaryono, Daryono
dc.contributor.authorTriyono, Rahmat
dc.contributor.authorAdi, Suko Prayitno
dc.contributor.authorKarnawati, Dwikorita
dc.contributor.authorDaniarsyad, Gatut
dc.contributor.authorAhadi, Suaidi
dc.contributor.authorFatchurochman, Iman
dc.contributor.authorAnugrah, Suci Dewi
dc.contributor.authorHeryandoko, Nova
dc.contributor.authorSudrajat, Ajat
dc.date.accessioned2024-08-08T06:27:24Z
dc.date.available2024-08-08T06:27:24Z
dc.date.created2023-03-28T13:30:18Z
dc.date.issued2023
dc.identifier.issn0031-9201
dc.identifier.urihttps://hdl.handle.net/11250/3145216
dc.description.abstractA destructive earthquake (Mw 6.1) struck Pasaman, West Sumatra, Indonesia, on 25 February 2022, resulting in at least 18 deaths and damage to 1765 buildings. Our relocated foreshock, mainshock, and aftershocks and their source mechanisms reveal a previously unknown ∼20 km long segment of the Sumatran Fault as a result of dextral strike-slip motion (strike N132oE and dip 72oSW) along what we have called the Kajai Fault. The inverted rupture model indicates a single, compact asperity with an approximate depth range of 2–11 km. This asperity extends ∼14 km along strike, and ∼9 km in the down-dip direction. The Coulomb stress change of the mainshock shows that areas to the north and south experienced an increase in stress, which is consistent with the observed aftershock pattern. The nearby Great Sumatran Fault segments (Angkola and Sumpur) experienced a significant increase in stress without any accompanying aftershocks, which likely increases the risk of them rupturing in the future.en_US
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleA previously unidentified fault revealed by the February 25, 2022 (Mw 6.1) Pasaman Earthquake, West Sumatra, Indonesiaen_US
dc.typeJournal articleen_US
dc.typePeer revieweden_US
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright 2022 The Author(s)en_US
dc.source.articlenumber106973en_US
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1
dc.identifier.doi10.1016/j.pepi.2022.106973
dc.identifier.cristin2137574
dc.source.journalPhysics of the Earth and Planetary Interiorsen_US
dc.identifier.citationPhysics of the Earth and Planetary Interiors. 2023, 334, 106973.en_US
dc.source.volume334en_US


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