Detecting Transient Uplift at the Active Volcano Ol Doinyo Lengai in Tanzania With the TZVOLCANO Network

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dc.contributor.authorDaud, Ntambilaen
dc.contributor.authorStamps, D. Sarahen
dc.contributor.authorJi, Kang-Hyeunen
dc.contributor.authorSaria, Elifurahaen
dc.contributor.authorHuang, Mong-Hanen
dc.contributor.authorAdams, Aubreyaen
dc.date.accessioned2024-09-13T12:49:25Zen
dc.date.available2024-09-13T12:49:25Zen
dc.date.issued2024-07en
dc.description.abstractOver the last 7 years, geodetic data have detected periods of uplift and subsidence of the active volcano Ol Doinyo Lengai in Tanzania. Although numerous eruptions of the volcano have occurred historically, a systematic investigation of transient deformation using continuous Global Navigation Satellite System (GNSS) data has not been undertaken. We use the Targeted Projection Operator (TPO) to assess 7 years of continuous GNSS data from the TZVOLCANO network for transient signals and find rapid uplift spanning March 2022–December 2022 and then steady-state uplift through August 2023. We conduct a nonlinear inversion of the GNSS velocities associated with the transient signal using dMODELS and find consistency with an inflating spheroidal source located 2.3 ± 0.6 km beneath the crater. Prior to March 2022, geodetic data indicated quiescence just below Ol Doinyo Lengai, thus detecting transient deformation with TPO allows for tracking changes in the magmatic system over time in the Natron Rift.en
dc.description.sponsorshipThis study was funded by the US NSF Grants 1943681 and 1639554 to Virginia Tech, National Geographic Society Grant CP-037R-17 to Virginia Tech, internal university funds via Ardhi University, and the Ministry of Science and ICT of Korea Basic Research Project GP2021-006 to KIGAM.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1029/2023GL108097en
dc.identifier.issue13en
dc.identifier.urihttps://hdl.handle.net/10919/121126en
dc.identifier.volume51en
dc.language.isoenen
dc.publisherAmerican Geophysical Unionen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleDetecting Transient Uplift at the Active Volcano Ol Doinyo Lengai in Tanzania With the TZVOLCANO Networken
dc.title.serialGeophysical Research Lettersen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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