Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/152801
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dc.contributor.authorFadil, Wardahen_US
dc.contributor.authorLindsey, Eric Ostromen_US
dc.contributor.authorWang, Yuen_US
dc.contributor.authorMaung, Phyo Maungen_US
dc.contributor.authorLuo, Hengen_US
dc.contributor.authorSwe, Tint Lwinen_US
dc.contributor.authorTun, Pa Paen_US
dc.contributor.authorWei, Shengjien_US
dc.date.accessioned2021-10-01T08:19:23Z-
dc.date.available2021-10-01T08:19:23Z-
dc.date.issued2021-
dc.identifier.citationFadil, W., Lindsey, E. O., Wang, Y., Maung, P. M., Luo, H., Swe, T. L., Tun, P. P. & Wei, S. (2021). The January 11, 2018, Mw 6.0 Bago-Yoma, Myanmar earthquake : a shallow thrust event within the deforming Bago-Yoma range. Journal of Geophysical Research: Solid Earth, 126(7), e2020JB021313-. https://dx.doi.org/10.1029/2020JB021313en_US
dc.identifier.issn2169-9313en_US
dc.identifier.urihttps://hdl.handle.net/10356/152801-
dc.description.abstractOn January 11, 2018 (18:26 UTC), a Mw 6.0 earthquake occurred approximately 30 km west of the Sagaing Fault in the Bago-Yoma Range (BYR). Using a local broadband seismic network and regional seismic stations, we refine the locations and moment tensors of the earthquake sequence. We relocate 98 earthquake epicenters and determine the focal mechanism and centroid depth of the mainshock and 20 aftershocks with Mw > 4. The relocated epicenters cluster in a NW-SE direction that is consistent with the strike of the mainshock fault plane solution and the slip distribution derived from ALOS-2 interferometric synthetic aperture radar observations. Most of the aftershocks have a pure thrust focal mechanism similar to the mainshock, except for four strike-slip aftershocks. The refined locations and moment tensors of the thrust events clearly delineate a fault dipping ∼40° to the southwest at a depth range of 3–7 km, indicating that the earthquake sequence ruptured a previously unmapped, active fault. We interpret the earthquake sequence to be associated with pre-existing faults within the BYR anticlinorium. This earthquake sequence and historical seismicity indicate that the upper crust of the BYR is highly stressed, resulting in ongoing distributed deformation between the oblique Rakhine megathrust and the dextral Sagaing Fault. The seismic hazard posed by these active faults has been increasing with the development of infrastructure such as dams within the BYR. Our study highlights the need for high-resolution earthquake source parameter and strong ground motion attenuation studies for further understanding of the neotectonics of Myanmar and its related seismic hazard.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.language.isoenen_US
dc.relation.ispartofJournal of Geophysical Research: Solid Earthen_US
dc.relation.uri10.21979/N9/BQ11DPen_US
dc.relation.uri10.21979/N9/QHJXU7en_US
dc.rights© 2021. The Authors.This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.en_US
dc.subjectScience::Geology::Volcanoes and earthquakesen_US
dc.titleThe January 11, 2018, Mw 6.0 Bago-Yoma, Myanmar earthquake : a shallow thrust event within the deforming Bago-Yoma rangeen_US
dc.typeJournal Articleen
dc.contributor.schoolAsian School of the Environmenten_US
dc.contributor.researchEarth Observatory of Singaporeen_US
dc.identifier.doi10.1029/2020JB021313-
dc.description.versionPublished versionen_US
dc.identifier.scopus2-s2.0-85111501973-
dc.identifier.issue7en_US
dc.identifier.volume126en_US
dc.identifier.spagee2020JB021313en_US
dc.subject.keywordsEarthquakeen_US
dc.subject.keywordsMyanmaren_US
dc.description.acknowledgementThis research study was supported by the Earth Observatory of Singapore via its funding from the National Research Foundation Singapore and the Singapore Ministry of Education under the Research Centres of Excellence initiative.en_US
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