Results 11 to 20 of about 118 (99)

Numerical simulation of the hydrothermal system of Hakone volcano

Journal of Volcanology and Geothermal Research
Kazutaka Mannen
exaly   +2 more sources

Upward Earthquake Swarm Migration in the Northeastern Noto Peninsula, Japan, Initiated From a Deep Ring‐Shaped Cluster: Possibility of Fluid Leakage From a Hidden Magma System

Journal of Geophysical Research: Solid Earth, Volume 128, Issue 6, June 2023., 2023
Abstract This study describes an ongoing intense earthquake swarm in the crust of the northeastern Noto Peninsula, Japan, that began around the end of 2019. Fluid movement related to volcanic activity is often involved in earthquake swarms in the crust. However, no volcanic activity has occurred in this region since the Middle Miocene (15.6 Ma).
Keisuke Yoshida, Masaoki Uno, Toru Matsuzawa, Yohei Yukutake, Yusuke Mukuhira, Hiroshi Sato, Takeyoshi Yoshida   +6 more
wiley   +1 more source

Development of a high-performance seismic phase picker using deep learning in the Hakone volcanic area

Earth, Planets and Space, 2023
In volcanic regions, active earthquake swarms often occur in association with volcanic activity, and their rapid detection and analysis are crucial for volcano disaster prevention.
Ahyi Kim, Yuji Nakamura, Yohei Yukutake, Hiroki Uematsu, Yuki Abe   +4 more
doaj   +1 more source

High‐Resolution InSAR Reveals Localized Pre‐Eruptive Deformation Inside the Crater of Agung Volcano, Indonesia

Journal of Geophysical Research: Solid Earth, Volume 128, Issue 5, May 2023., 2023
Abstract During a volcanic crisis, high‐rate, localized deformation can indicate magma close to the surface, with important implications for eruption forecasting. However, only a few such examples have been reported, because frequent, dense monitoring is needed.
M. J. W. Bemelmans, J. Biggs, M. Poland, J. Wookey, S. K. Ebmeier, A. K. Diefenbach, D. Syahbana   +6 more
wiley   +1 more source

Correlations Between Subduction of Linear Oceanic Features and Arc Volcanism Volume Around the Pacific Basin

Geochemistry, Geophysics, Geosystems, Volume 23, Issue 12, December 2022., 2022
Abstract Arc volcanoes, created by magma generated from the dehydration of subducting slabs, show great variability in their sizes and along‐arc spatial distributions. In this study, we address a fundamental question, namely, how do subduction zones and volcanic arcs respond to the subduction of “atypical” oceanic lithosphere.
Claudia Adam, Valérie Vidal, Pablo Grosse, Mie Ichihara   +3 more
wiley   +1 more source

Volcano‐Tectonic Setting of the Pisciarelli Fumarole Field, Campi Flegrei Caldera, Southern Italy: Insights Into Fluid Circulation Patterns and Hazard Scenarios

Tectonics, Volume 40, Issue 5, May 2021., 2021
Abstract Phreatic and hydrothermal eruptions are small energetic explosive events that generally have few to no precursors and represent a considerable hazard in tourist and urban areas. At the Campi Flegrei caldera, these events have occurred at the Solfatara volcano and have likely occurred at the nearby Pisciarelli site, where the most powerful ...
Roberto Isaia, Maria Giulia Di Giuseppe, Jacopo Natale, Francesco D'Assisi Tramparulo, Antonio Troiano, Stefano Vitale   +5 more
wiley   +1 more source

Combining Petrology and Seismology to Unravel the Plumbing System of a Typical Arc Volcano: An Example From Marapi, West Sumatra, Indonesia

Geochemistry, Geophysics, Geosystems, Volume 22, Issue 4, April 2021., 2021
Abstract Marapi in Sumatra is characterized by frequent short‐lived explosions and small eruptions (Volcanic Explosivity Index 1–2) and in the past 250 years, the volcano has erupted >60 times. Recent volcanic bombs and the presence of broadband seismic stations lead us to reconstruct the plumbing system of the volcano through an interdisciplinary ...
D. Nurfiani, X. Wang, H. Gunawan, H. Triastuty, D. Hidayat, S. J. Wei, B. Taisne, C. Bouvet de Maisonneuve   +7 more
wiley   +1 more source

Post-caldera geology of Gora Region in Hakone Volcano Group, Japan

Journal of the Geological Society of Japan, 2014
Kazutaka Mannen
exaly   +3 more sources

Volcanic unrest at Hakone volcano after the 2015 phreatic eruption: reactivation of a ruptured hydrothermal system?

Earth, Planets and Space, 2021
Since the beginning of the twenty-first century, volcanic unrest has occurred every 2–5 years at Hakone volcano. After the 2015 eruption, unrest activity changed significantly in terms of seismicity and geochemistry. Like the pre- and co-eruptive unrest,
Kazutaka Mannen, Yuki Abe, Yasushi Daita, Ryosuke Doke, Masatake Harada, George Kikugawa, Naoki Honma, Yuji Miyashita, Yohei Yukutake   +8 more
doaj   +1 more source

Linking the flow-induced tremor model to the seismological observation: application to the deep harmonic tremor at Hakone volcano, Japan

Earth, Planets and Space, 2023
Decades ago, Julian (J Volcanol Geotherm Res 101:19–26, 1994. https://doi.org/10.1029/93JB03129 ) proposed the lumped parameter model of non-linear excitation of an elastic channel vibration by fluid flow as a mechanism of volcanic harmonic tremor. Since
Tomonori Ozaki, Yohei Yukutake, Mie Ichihara   +2 more
doaj   +1 more source