Results 31 to 40 of about 1,022 (162)

Noise analysis of the observatory superconducting gravimeter in the normal mode frequency range using gravity data of Ghuttu, Garhwal Himalaya, India

Journal of Asian Earth Sciences: X, 2023
We present a study on gravity data from the Observatory Superconducting Gravimeter (OSG-051) located at MPGO Ghuttu in the Garhwal Himalaya, India.
Sanjay K. Verma, Naresh Kumar, Sanjit K. Pal   +2 more
doaj   +1 more source

Deep Quake Dynamics: A Multimodal Fault‐Aware Approach to Earthquake Magnitude and Occurrence Time Forecasting

Geoscience Data Journal, Volume 13, Issue 2, April 2026.
EQMT integrates earthquake catalog data, fault‐network geometry, engineered features, and graph embeddings in a unified framework for forecasting earthquake magnitude and occurrence time. The framework is designed to reflect inter‐fault spatial dependencies together with temporal seismic patterns, addressing limitations of approaches based only on ...
Kiymet Kaya, Murat Sahin, Furkan Mangir, Alp Baris Beydemir, Cenk Yaltirak, Sule Gunduz Oguducu   +5 more
wiley   +1 more source

Monitoring Local Earthquakes in Central Italy Using 4C Single Station Data

Sensors, 2021
In this study, performed on a set of twenty-two earthquakes that occurred in central Italy between 2019 and 2020, we will explore the possibility to locate the hypocenter of local events by using a ring laser gyroscope observing the vertical ground ...
Andreino Simonelli, Matteo Desiderio, Aladino Govoni, Gaetano De Luca, Angela Di Virgilio   +4 more
doaj   +1 more source

Detection of Shallow Tectonic Tremors in Hyuga‐nada, Nankai Trough, Using the Newly Established N‐Net OBS Network

Geophysical Research Letters, Volume 53, Issue 6, 28 March 2026.
Abstract Monitoring tectonic tremors is crucial for understanding stress release in subduction zones and assessing megathrust earthquake risk. The Hyuga‐nada region, at the western edge of the Nankai Trough, Japan, provides a natural laboratory for investigating links among slow earthquakes, megathrust events, and complex subduction structures.
Kodai Sagae, Masayuki Kano, Suguru Yabe, Takahiko Uchide   +3 more
wiley   +1 more source

Long‐Period Seismic Waves From Seawater Disturbances During the 2018 Anak Krakatau Volcanic Island Collapse

Geophysical Research Letters, Volume 53, Issue 5, 16 March 2026.
Abstract Landslides often generate long‐period seismic waves that propagate over large distances. During volcanic island collapses and their intrusion into seawater, seismic signals of >1 min periods are widely observed. The physical sources of these signals remain poorly understood due to complex landslide‐water interactions. In this paper, we perform
Yifan Zhu, Shingo Watada, Chao An, Masumi Yamada, Tomokazu Kobayashi, Karyono Karyono, Arif Aditiya, Iyan E. Mulia   +7 more
wiley   +1 more source

Seismometer Health Diagnosis Based on Cross Spectral Density Coherence Method in Indonesia Seismic Networks

Spektra: Jurnal Fisika dan Aplikasinya
Evaluation of seismometer health is crucial in accurately detecting earthquake and tsunami events. Currently, seismometer health evaluation is based solely on data quality unrelated to seismometer sensor performance.
Miftahul Jannah, Risa Annisa, Adhi Harmoko Saputro, Titik Lestari   +3 more
doaj   +1 more source

Distinct Crustal Structure Across the Alpine Fault, New Zealand: Seismic Imaging of a Through‐Going Vertical Fault Beneath Its Central Section

Geophysical Research Letters, Volume 53, Issue 5, 16 March 2026.
Abstract The Alpine Fault (Aotearoa New Zealand) is a major plate boundary transform fault, that quasi‐periodically hosts large (M7‐8) to great (M8+) earthquakes. The fault is thought to be segmented with sections rupturing both individually and in combination.
Karen Lythgoe, Ben Farrar, Jack‐Andrew Smith, Andrew Curtis, John Townend, Calum J. Chamberlain, Emily Warren‐Smith, Jennifer Jenkins   +7 more
wiley   +1 more source

Estimating Ice Cover on the Great Lakes Using Seismic Ambient Noise

Geophysical Research Letters, Volume 53, Issue 5, 16 March 2026.
Abstract Lake ice impacts seismic noise on nearby seismometers, and therefore seismic observations can be used to monitor ice changes. However, the transfer function describing how lake‐microseism noise covaries with ice cover has not been quantified.
Joshua B. Russell, Christopher J. W. Carchedi   +1 more
wiley   +1 more source

Fiber-optic vibration sensing—I: Rotation measurement technique and its seismological applications

地球与行星物理论评, 2022
The seismic wavefield can be decomposed into three-component translational motions and three-component rotational motions. The rotation components contain important wavefield gradient information and are key elements of seismic wavefield reconstruction ...
Weijun Wang, Ling Chen, Yibo Wang, Fei Peng   +3 more
doaj   +1 more source

Ocean Bottom Seismometers Provide Direct Measurements of Pulsed‐Structure and Turbulence of Turbidity Currents Overspilling From a Submarine Channel

Geophysical Research Letters, Volume 53, Issue 5, 16 March 2026.
Abstract Turbidity currents transport vast amounts of sediment, carbon, and heat along submarine channels, yet their overspill onto channel‐levees and abyssal mixing remain poorly constrained due to lack of direct observations. Ocean‐bottom seismometers (OBS) deployed on the Congo Canyon–Channel levees captured the structure and turbulence of overspill
Pascal Kunath, Hans van Haren, Peter J. Talling   +2 more
wiley   +1 more source