Search Results - "De Siena, L."

Fluid migrations and volcanic earthquakes from depolarized ambient noise by Petrosino, S., De Siena, L.

“…Ambient noise polarizes inside fault zones, yet the spatial and temporal resolution of polarized noise on gas-bearing fluids migrating through stressed…”
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A record of seafloor methane seepage across the last 150 million years by Oppo, D., De Siena, L., Kemp, D. B.

“…Seafloor methane seepage is a significant source of carbon in the marine environment. The processes and temporal patterns of seafloor methane seepage over…”
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Understanding seismic path biases and magmatic activity at Mount St Helens volcano before its 2004 eruption by Gabrielli, S, De Siena, L, Napolitano, F, Del Pezzo, E

“…SUMMARY In volcanoes, topography, shallow heterogeneity and even shallow morphology can substantially modify seismic coda signals. Coda waves are an essential…”
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Space‐weighted seismic attenuation mapping of the aseismic source of Campi Flegrei 1983–1984 unrest by De Siena, L., Amoruso, A., Pezzo, E. Del, Wakeford, Z., Castellano, M., Crescentini, L.

“…Coda wave attenuation imaging is able to detect fluid/melt accumulation and ancient magmatic bodies in volcanoes. Here we use recently developed…”
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Clues on the origin of post-2000 earthquakes at Campi Flegrei caldera (Italy) by Chiodini, G., Selva, J., Del Pezzo, E., Marsan, D., De Siena, L., D’Auria, L., Bianco, F., Caliro, S., De Martino, P., Ricciolino, P., Petrillo, Z.

“…The inter-arrival times of the post 2000 seismicity at Campi Flegrei caldera are statistically distributed into different populations. The low inter-arrival…”
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Seismic scattering and absorption mapping of debris flows, feeding paths, and tectonic units at Mount St. Helens volcano by De Siena, L., Calvet, M., Watson, K.J., Jonkers, A.R.T., Thomas, C.

“…Frequency-dependent peak-delay times and coda quality factors have been used jointly to separate seismic absorption from scattering quantitatively in Earth…”
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Geomorphology and surface geology of Mount St. Helens volcano by Gabrielli, S., Spagnolo, M., De Siena, L.

“…Mount St. Helens is a stratovolcano of the Cascadia volcanic arc well known worldwide for its volcanic collapse and eruption in 1980, which caused considerable…”
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Seismic attenuation imaging of Campi Flegrei: Evidence of gas reservoirs, hydrothermal basins, and feeding systems by De Siena, L., Del Pezzo, E., Bianco, F.

“…Passive high‐resolution attenuation tomography is used here to image the geological structure in the first upper 4 km of the shallow crust beneath the Campi…”
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Attenuation and scattering tomography of the deep plumbing system of Mount St. Helens by De Siena, L., Thomas, C., Waite, G. P., Moran, S. C., Klemme, S.

“…We present a combined 3‐D P wave attenuation, 2‐D S coda attenuation, and 3‐D S coda scattering tomography model of fluid pathways, feeding systems, and…”
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Geophysical Responses to an Environmentally‐Boosted Volcanic Unrest by Siena, L., Amoruso, A., Petrosino, S., Crescentini, L.

“…The spatiotemporal relationship between geophysical, environmental, and geochemical responses during volcanic unrest is essentially unknown, making their joint…”
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3-D attenuation image of fluid storage and tectonic interactions across the Pollino fault network by Sketsiou, P, De Siena, L, Gabrielli, S, Napolitano, F

“…SUMMARY The Pollino range is a region of slow deformation where earthquakes generally nucleate on low-angle normal faults. Recent studies have mapped fault…”
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The Interconnected Magmatic Plumbing System of the Natron Rift by Reiss, M. C., Siena, L., Muirhead, J. D.

“…Understanding the magmatic plumbing system of rift volcanoes is essential when examining the interplay between magmatic and tectonic forces. Recent seismicity,…”
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Imaging the Absorbing Feeding and Eruptive Pathways of Deception Island, Antarctica by Guardo, R., De Siena, L., Prudencio, J., Ventura, G.

“…Deception Island is one of the most active and best‐documented volcanoes in Antarctica. Since its last eruption in 1970, several geophysical surveys have…”
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Seismic attenuation tomography of Eastern Europe from ambient seismic noise analysis by Borleanu, F, Petrescu, L, Placinta, A O, Magrini, F, Grecu, B, Radulian, M, De Siena, L

“…SUMMARY The Eastern-Europe region (EER), is a complex geotectonic area that captures part of the Alpine-Himalayan Orogen, the subduction of multiple NeoTethys…”
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Semi-Automated Inversion-Specific Data Selection for Volcano Tomography by Guardo, R., De Siena, L.

“…Active seismic experiments allow reconstructing the subsurface structure of volcanoes with unprecedented resolution and are vital to improve the interpretation…”
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Volcanic structures investigation through SAR and seismic interferometric methods: The 2011–2013 Campi Flegrei unrest episode by Pepe, S., De Siena, L., Barone, A., Castaldo, R., D'Auria, L., Manzo, M., Casu, F., Fedi, M., Lanari, R., Bianco, F., Tizzani, P.

“…Observations from satellites provide high-resolution images of ground deformation allowing to infer deformation sources by developing advanced modeling of…”
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Seismic scattering and absorption mapping from intermediate-depth earthquakes reveals complex tectonic interactions acting in the Vrancea region and surroundings (Romania) by Borleanu, F., De Siena, L., Thomas, C., Popa, M., Radulian, M.

“…The Vrancea region, located at the southeastern edge of the Carpathians arc bend, is a region of intense seismicity, whose major earthquakes produce hazard in…”
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Mt. Etna Feeding System and Sliding Flank: A New 3D Image From Earthquakes Distribution in a Customisable GIS by Guardo, R., De Siena, L., Dreidemie, C.

“…High-resolution seismic imaging enables the reconstruction of ascending paths of magma and fluids, shallow molten accumulation and flank collapse areas, all…”
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Ambient Seismic Noise Image of the Structurally Controlled Heat and Fluid Feeder Pathway at Campi Flegrei Caldera by De Siena, L., Sammarco, C., Cornwell, D. G., La Rocca, M., Bianco, F., Zaccarelli, L., Nakahara, H.

“…Earthquakes at Campi Flegrei have been low magnitude and sparse since 1985, denying onshore monitoring observations of their usual source for structural…”
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3D Attenuation Tomography of the Volcanic Island of Tenerife (Canary Islands) by Prudencio, J., Ibáñez, J. M., Del Pezzo, E., Martí, J., García-Yeguas, A., De Siena, L.

“…This paper shows a new multidisciplinary interpretation approach to the internal structure of Tenerife Island. The central core of this work is the…”
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