Results 81 to 90 of about 7,688 (251)

New tools for scientific learning in the EduSeis project: the e-learning experiment

Annals of Geophysics, 2007
The Educational Seismological Project (EduSeis) is a scientific and educational project, the main aim of which is the development and implementation of new teaching methodologies in Earth Sciences, using seismology as a vehicle for scientific learning ...
A. Zollo, N. Miranda, L. Cantore, A. Bobbio   +3 more
doaj   +3 more sources

The 2018 phreatic eruption at Mt. Motoshirane of Kusatsu–Shirane volcano, Japan: eruption and intrusion of hydrothermal fluid observed by a borehole tiltmeter network

Earth, Planets and Space, 2021
We estimate the mass and energy budgets for the 2018 phreatic eruption of Mt. Motoshirane on Kusatsu–Shirane volcano, Japan, based on data obtained from a network of eight tiltmeters and weather radar echoes.
Akihiko Terada, Wataru Kanda, Yasuo Ogawa, Taishi Yamada, Mare Yamamoto, Takahiro Ohkura, Hiroshi Aoyama, Tomoki Tsutsui, Shin’ya Onizawa   +8 more
doaj   +1 more source

Spontaneous Transient Summit Uplift at Taftan Volcano (Makran Subduction Arc) Imaged Using an InSAR Common‐Mode Filtering Method

Geophysical Research Letters, Volume 52, Issue 19, 16 October 2025.
Abstract We unambiguously document unrest at Taftan volcano. Summit uplift was detected using Interferometric Synthetic Aperture Radar time series and its timing tightly constrained applying a new common mode filtering method. Uplift started and ended gradually lasting 10 months (July 2023 to May 2024).
Mohammadhossein Mohammadnia, Man Wai Yip, A. Alexander G. Webb, Pablo J. González   +3 more
wiley   +1 more source

Analysis and quasistatic FE modeling of long period impulsive events associated with explosions at Stromboli volcano (Italy)

Annals of Geophysics, 1999
Broadband seismic measurements performed in 1995 and 1996 in the summit region of Stromboli are analyzed. The experiment in 1995 used an array of four Guralp seismometers and one Wielandt-Streckeisen seismometer.
M. Kirchdörfer
doaj   +1 more source

Imaging of a serpentinite complex in the Kamuikotan Zone, northern Japan, from magnetotelluric soundings

Earth, Planets and Space, 2021
We conducted magnetotelluric measurements to investigate a large serpentinite complex in the northern Kamuikotan Zone that intruded a Cretaceous–Paleocene forearc sedimentary sequence.
Hiroshi Ichihara, Toru Mogi, Toshihiro Uchida, Hideyuki Satoh, Yusuke Yamaya, Masakazu Fujii, Shusaku Yamazaki, Kenji Okazaki, Noriko Tada   +8 more
doaj   +1 more source

The role of science in physical natural hazard assessment : report to the UK Government by the Natural Hazard Working Group [PDF]

, 2005
Following the tragic Asian tsunami on 26 December 2004, the Prime Minister asked the Government’s Chief Scientific Adviser, Sir David King, to convene a group of experts (the Natural Hazard Working Group) to advise on the mechanisms that could and ...
Boulton, G., Dalton, H., Dass, S., Davis, I., Hicks, C., Hill, E., King, D., McGuire, B., McQuaid, J., Ovadia, D.C., Peppiatt, D., Ryall, G., Sparks, S., Thorpe, A., Williams, D.   +14 more
core  

Dike Swarms in the Oceanic Lithosphere Beneath the Ontong Java Plateau

Geophysical Research Letters, Volume 52, Issue 19, 16 October 2025.
Abstract The Ontong Java Plateau (OJP) is believed to have formed through large‐scale Cretaceous volcanism, but the impact of the massive volcanism on the lithosphere remains largely unknown. In this study, the ascent process of the thermochemical plume and its impact on the physicochemical properties of the pre‐existing lithosphere were explored. High‐
Azusa Shito, Daisuke Suetsugu, Akira Ishikawa, Masako Yoshikawa, Takehi Isse, Hajime Shiobara, Hiroko Sugioka, Aki Ito, Yasushi Ishihara, Satoru Tanaka, Masayuki Obayashi, Takashi Tonegawa, Junko Yoshimitsu   +12 more
wiley   +1 more source

Analytical models of volcanic ellipsoidal expansion sources

Annals of Geophysics, 2013
Modeling non-double-couple earthquakes and surficial deformation in volcanic and geothermal areas usually involves expansion sources. Given an ensemble of ellipsoidal or tensile expansion sources and double-couple ones, it is straightforward to obtain ...
Antonella Amoruso, Luca Crescentini
doaj   +1 more source

Mapping Geothermal Fluids Using Seismic Absorption and Scattering: A Case Study From Aluto Volcano

Geophysical Research Letters, Volume 52, Issue 19, 16 October 2025.
Abstract Seismic attenuation tomography is used to map fluids and fractures beneath the Aluto volcano geothermal field of the Main Ethiopian Rift. We present 3D models of peak delay (Δlog10Tpd ${\Delta }{\log }_{10}\left({T}_{pd}\right)$) and inverse coda quality factor (Qc−1 ${Q}_{c}^{-1}$) which are proxies for seismic scattering and absorption. High
Tesfahiwet Yemane, John Michael Kendall, Simona Gabrielli, Luca De Siena   +3 more
wiley   +1 more source

Seismo-Acoustic Characterization of Mount Cleveland Volcano Explosions

Frontiers in Earth Science, 2020
Volcanic explosions can produce large, ash-rich plumes that pose great hazard to aviation, yet may often have few precursory geophysical signals. Mount Cleveland is one of the most active volcanoes in the Aleutian Arc, Alaska (United States) with at ...
Alexandra M. Iezzi, David Fee, Matthew M. Haney, John J. Lyons   +3 more
doaj   +1 more source