Rapid magnitude estimation and coseismic deformation extraction from high-rate GNSS data: a case of the 2023 Turkey Mw7.8 and Mw7.7 earthquakes.
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| Title: | Rapid magnitude estimation and coseismic deformation extraction from high-rate GNSS data: a case of the 2023 Turkey Mw7.8 and Mw7.7 earthquakes. |
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| Authors: | Gao, Zhiyu1,2,3 (AUTHOR) gzy0801@163.com, Wang, Xinqiu1 (AUTHOR), Liu, Chang1 (AUTHOR) |
| Source: | Terrestrial, Atmospheric & Oceanic Sciences. 4/19/2026, Vol. 37 Issue 1, p1-16. 16p. |
| Subjects: | Earthquake magnitude measurement, Global Positioning System, Kahramanmaras Earthquake, Türkiye & Syria, 2023, Seismotectonics |
| Geographic Terms: | Türkiye |
| Abstract: | Rapid magnitude estimation and precise coseismic deformation extraction are fundamental to effective earthquake emergency response and impact assessment. Here, we demonstrate the utility of high-rate Global Navigation Satellite System (GNSS) technology through a detailed analysis of the 2023 Turkey Mw7.8 and Mw7.7 earthquakes. By processing data from 20 stations using precise point positioning, we derived displacement waveforms and Peak Ground Displacement (PGD) values. While PGD generally decay with hypocentral distance, values are elevated along the bilateral rupture propagation path, reflecting directivity effects. Through accuracy assessment and sensitivity testing, we obtained robust magnitude estimates for Mw7.86 and Mw7.72 by applying the empirical PGD scaling law, which are consistent with the reported values. The coseismic deformation field extracted directly from the high-rate GNSS displacement waveforms aligns closely with the published results, all of which show obvious strike-slip characteristics. A key advantage is its ability to isolate pure coseismic static offset, avoiding the postseismic signal contamination that can complicate traditional geodetic analyses. Our findings firmly establish high-rate GNSS as a vital and reliable technology for earthquake early warning and rapid disaster assessment immediately following major seismic events. [ABSTRACT FROM AUTHOR] |
| Copyright of Terrestrial, Atmospheric & Oceanic Sciences is the property of Springer Nature 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 |
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| Header | DbId: egs DbLabel: Engineering Source An: 194091217 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Rapid magnitude estimation and coseismic deformation extraction from high-rate GNSS data: a case of the 2023 Turkey Mw7.8 and Mw7.7 earthquakes. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Gao%2C+Zhiyu%22">Gao, Zhiyu</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> gzy0801@163.com</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Xinqiu%22">Wang, Xinqiu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Chang%22">Liu, Chang</searchLink><relatesTo>1</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Terrestrial%2C+Atmospheric+%26+Oceanic+Sciences%22">Terrestrial, Atmospheric & Oceanic Sciences</searchLink>. 4/19/2026, Vol. 37 Issue 1, p1-16. 16p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Earthquake+magnitude+measurement%22">Earthquake magnitude measurement</searchLink><br /><searchLink fieldCode="DE" term="%22Global+Positioning+System%22">Global Positioning System</searchLink><br /><searchLink fieldCode="DE" term="%22Kahramanmaras+Earthquake%2C+Türkiye+%26+Syria%2C+2023%22">Kahramanmaras Earthquake, Türkiye & Syria, 2023</searchLink><br /><searchLink fieldCode="DE" term="%22Seismotectonics%22">Seismotectonics</searchLink> – Name: SubjectGeographic Label: Geographic Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Türkiye%22">Türkiye</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Rapid magnitude estimation and precise coseismic deformation extraction are fundamental to effective earthquake emergency response and impact assessment. Here, we demonstrate the utility of high-rate Global Navigation Satellite System (GNSS) technology through a detailed analysis of the 2023 Turkey Mw7.8 and Mw7.7 earthquakes. By processing data from 20 stations using precise point positioning, we derived displacement waveforms and Peak Ground Displacement (PGD) values. While PGD generally decay with hypocentral distance, values are elevated along the bilateral rupture propagation path, reflecting directivity effects. Through accuracy assessment and sensitivity testing, we obtained robust magnitude estimates for Mw7.86 and Mw7.72 by applying the empirical PGD scaling law, which are consistent with the reported values. The coseismic deformation field extracted directly from the high-rate GNSS displacement waveforms aligns closely with the published results, all of which show obvious strike-slip characteristics. A key advantage is its ability to isolate pure coseismic static offset, avoiding the postseismic signal contamination that can complicate traditional geodetic analyses. Our findings firmly establish high-rate GNSS as a vital and reliable technology for earthquake early warning and rapid disaster assessment immediately following major seismic events. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Terrestrial, Atmospheric & Oceanic Sciences is the property of Springer Nature 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.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1007/s44195-026-00130-3 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 16 StartPage: 1 Subjects: – SubjectFull: Earthquake magnitude measurement Type: general – SubjectFull: Global Positioning System Type: general – SubjectFull: Kahramanmaras Earthquake, Türkiye & Syria, 2023 Type: general – SubjectFull: Seismotectonics Type: general – SubjectFull: Türkiye Type: general Titles: – TitleFull: Rapid magnitude estimation and coseismic deformation extraction from high-rate GNSS data: a case of the 2023 Turkey Mw7.8 and Mw7.7 earthquakes. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Gao, Zhiyu – PersonEntity: Name: NameFull: Wang, Xinqiu – PersonEntity: Name: NameFull: Liu, Chang IsPartOfRelationships: – BibEntity: Dates: – D: 19 M: 04 Text: 4/19/2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 10170839 Numbering: – Type: volume Value: 37 – Type: issue Value: 1 Titles: – TitleFull: Terrestrial, Atmospheric & Oceanic Sciences Type: main |
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