2019
DOI: 10.1029/2019jb017699
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Tectonism and Its Relation to Magmatism Around Santorini Volcano From Upper Crustal P Wave Velocity

Abstract: At extensional volcanic arcs, faulting often acts to localize magmatism. Santorini is located on the extended continental crust of the Aegean microplate and is one of the most active volcanoes of the Hellenic arc, but the relationship between tectonism and magmatism remains poorly constrained. As part of the Plumbing Reservoirs Of The Earth Under Santorini experiment, seismic data were acquired across the Santorini caldera and the surrounding region using a dense amphibious array of >14,300 marine sound source… Show more

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Cited by 38 publications
(104 citation statements)
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References 70 publications
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“…The sedimentary strata are generally associated with a rather gentle velocity increase from approximately 1.5 to 2.5 km/s, while the basement is associated with higher velocities in the order of 3.0 km/s. These values are mostly in agreement with the regional tomographic model presented by Heath et al (2019), who attribute metamorphic basement and sedimentary strata with to velocities higher or lower than 3.0 km/s, respectively (compare their Figure 5). However, a more detailed comparison of their results is not feasible as the presented velocity models are too coarsely resolved considering the high complexity of the data under consideration.…”
Section: Interpretation‐driven Refinementsupporting
confidence: 91%
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“…The sedimentary strata are generally associated with a rather gentle velocity increase from approximately 1.5 to 2.5 km/s, while the basement is associated with higher velocities in the order of 3.0 km/s. These values are mostly in agreement with the regional tomographic model presented by Heath et al (2019), who attribute metamorphic basement and sedimentary strata with to velocities higher or lower than 3.0 km/s, respectively (compare their Figure 5). However, a more detailed comparison of their results is not feasible as the presented velocity models are too coarsely resolved considering the high complexity of the data under consideration.…”
Section: Interpretation‐driven Refinementsupporting
confidence: 91%
“…Based on a recent active seismic tomography experiment, Heath et al (2019) and Hooft et al (2019) obtained tomographic P ‐wave velocity models for the upper crustal structure across Santorini Volcano and the surrounding region. In agreement with the previous tectonic models, they conclude that tectono‐magmatic lineaments control magma emplacement at Santorini and Kolumbo and that the initiation of basin formation predates the onset of volcanism.…”
Section: Geological Settingmentioning
confidence: 99%
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“…three-dimensional magma storage regions with scales ranging from the upper few kilometers to the whole crust [15][16][17][18][19] . While there is promise for reliable local seismic tomography with modest numbers of instruments, these studies are still limited in their ability to image the full TCMS by the availability of local seismicity at mid-to-lower crustal depths [20][21][22] .…”
mentioning
confidence: 99%
“…For stationary-receiver surveys, coarse 3D passive/active-source OBS experiments begin to emerge in academia (Morgan et al, 2016;Goncharov et al, 2016;Heath et al, 2019;Arai et al, 2019). Sparse areal OBS deployments provide the necessary flexibility to design long-offset acquisition geometries, such that energetic diving waves and post-critical reflections could sample the deepest targeted-structures (lower crust, Moho, upper mantle).…”
mentioning
confidence: 99%