Microseisms as a tool for geophysical research. A review

AN Besedina, TA Tubanov - Journal of Volcanology and Seismology, 2023 - Springer
The research in seismic ambient noise as a tool for geophysical studies must primarily rely
on the space-time characteristics of the noise itself. What is important in this research is to …

Elastic wave velocity changes due to the fracture aperture and density, and direct correlation with permeability: an energetic approach to mated rock fractures

K Sawayama, T Ikeda, T Tsuji, F Jiang… - Journal of …, 2022 - Wiley Online Library
In an effort to reveal the subsurface hydraulic changes in fractures by seismic monitoring,
aperture‐related velocity changes need to be investigated. We developed a numerical …

Spatial and temporal influence of rainfall on crustal pore pressure based on seismic velocity monitoring

RD Andajani, T Tsuji, R Snieder, T Ikeda - earth, planets and space, 2020 - Springer
Crustal pore pressure, which controls the activities of earthquakes and volcanoes, varies in
response to rainfall. The status of pore pressure can be inferred from observed changes in …

Continuous monitoring system for safe managements of CO2 storage and geothermal reservoirs

T Tsuji, T Ikeda, R Matsuura, K Mukumoto… - Scientific reports, 2021 - nature.com
We have developed a new continuous monitoring system based on small seismic sources
and distributed acoustic sensing (DAS). The source system generates continuous …

Short‐term and long‐term variations in seismic velocity at shallow depths of the overriding plate west of the Japan Trench

T Tonegawa, R Takagi, K Sawazaki… - Journal of Geophysical …, 2023 - Wiley Online Library
Long‐term and short‐term temporal variations in seismic velocity have been investigated
using seismic interferometry, and significant short‐term changes are typically recognized as …

Time dependent mechanical crack closure as a potential rapid source of post‐seismic wave speed recovery: Insights from experiments in Carrara Marble

GG Meyer, N Brantut, TM Mitchell… - Journal of …, 2021 - Wiley Online Library
Seismological observations indicate strong variations in wave velocities around faults both
co‐seismically during earthquakes, and post‐seismically. Recovery is commonly associated …

Fluid migration before and during slow earthquakes in the shallow Nankai subduction zone

T Tonegawa, S Takemura, S Yabe… - Journal of Geophysical …, 2022 - Wiley Online Library
Fluid migration in subduction zones is a key controlling factor of slow and megathrust
earthquakes at plate boundaries. During the migration, seismic velocity and heterogeneous …

An integrated approach for prediction of magnitude using deep learning techniques

A Joshi, B Raman, CK Mohan - Neural Computing and Applications, 2024 - Springer
Timely estimation of earthquake magnitude plays a crucial role in the early warning systems
for earthquakes. Despite the inherent danger associated with earthquake energy …

Temporal Seismic Velocity Changes Associated With the Mw 6.1, May 2008 Ölfus Doublet, South Iceland: A Joint Interpretation From dv/v and GPS

Y Çubuk‐Sabuncu, K Jónsdóttir… - Journal of …, 2024 - Wiley Online Library
Abstract In South Iceland, populated and agricultural areas are at risk of earthquakes due to
their location within the South Iceland Seismic Zone (SISZ). In 2008, two moderate‐sized …

Detection of building response changes using deconvolution interferometry: A case study in Bogota, Colombia

N Jaimes, GA Prieto… - Seismological …, 2022 - pubs.geoscienceworld.org
Seismic structural health monitoring allows for the continuous evaluation of engineering
structures by monitoring changes in the structural response that can potentially localize …