Explanipedia

Infrasound reveals detailed eruptive processes at Nyiragongo volcano and enhances monitoring capabilities during unrest periods Open

Julien Barrière, Adrien Oth, N. d’Oreye, Läslo Evers · 2025

Eruptions at continental basaltic volcanoes can take and combine various forms, including lava lakes, lava flows and fountaining, explosions or structural collapses. Aside from a few well-instrumented cases worldwide, accurately reconstruc…

A seismological large-N multisensor experiment to study the magma transfer of intracontinental volcanic fields: The example of the Eifel, Germany Open

Torsten Dahm, Marius Paul Isken, Claus Milkereit, Christoph Sens‐Schönfelder, Felix Eckel , et al. · 2025

The understanding of the magma system beneath intracontinental volcanic fields depends critically on our ability to resolve small-sized anomalies distributed over large areas of hundreds of kilometres. Magmatic reservoirs co-exist at diffe…

Interevent Variability in Ground-Motion Prediction Models: The Role of the Source Parameter Selection Open

Dino Bindi, Adrien Oth, Stefano Parolai, Matteo Picozzi, Daniele Spallarossa · 2025

We investigate the dependence of interevent residuals on the choice of source parameters used in ground-motion prediction models calibrated for peak ground acceleration, peak ground velocity, and peak ground displacement. Using a dataset o…

Impact of Seismic Attenuation Corrections on Source Parameter Estimation Open

Dino Bindi, Matteo Picozzi, Adrien Oth, Daniele Spallarossa · 2025

We estimate the stress drop ∆σ for 551 earthquakes from the 2019 Ridgecrest sequence in Southern California using a spectral decomposition. To assess the impact of propagation model assumptions, we apply a 2D cell-based approach that accou…

GITpy: A Python Implementation of the Generalized Inversion Technique Open

Paola Morasca, Maria D’Amico, Daniele Spallarossa, Dino Bindi, Matteo Picozzi , et al. · 2025

GITpy is an open-source object-oriented Python software package implementing the well-established Generalized Inversion Technique (GIT), a spectral decomposition approach to isolate the source, propagation, and site contributions from S-ph…

EPOS Seismology: Connecting Communities, Advancing Research, and Paving the Way Forward Open

Margarita Segou, Anastasia Kiratzi, Carlo Cauzzi, Susana Custódio, Rémy Bossu , et al. · 2024

We present the dynamic landscape of EPOS Seismology, a Thematic Core Service consortium at the foundation of the European Plate Observing System (EPOS) infrastructure. Cultivated over the past decade through partnerships with prominent pan…

Source parameters and scaling relationships of stress drop for shallow crustal seismic events in Western Europe Open

Ming-Hsuan Yen, Dino Bindi, Adrien Oth, Benjamin Edwards, Riccardo Zaccarelli , et al. · 2024

For an ω 2 -source model, moment-based estimates of the stress drop are obtained by combining corner frequency and seismic moment source parameters. Therefore, the moment-based estimates of the stress drop are informative about the amount …

Local Infrasound Monitoring of Lava Eruptions at Nyiragongo Volcano (D.R. Congo) Using Urban and Near‐Source Stations Open

Julien Barrière, Adrien Oth, N. d’Oreye, Josué Subira, Delphine Smittarello , et al. · 2023

During eruptions, volcanoes produce air‐pressure waves inaudible for the human ear called infrasound, which are very helpful for detecting early signs of magma at the surface. Compared to violent ash‐rich explosions, recording more discret…

Detecting sources of shallow tremor at neighboring volcanoes in the Virunga Volcanic Province using seismic amplitude ratio analysis (SARA) Open

Josué Subira, Julien Barrière, Corentin Caudron, Aurélia Hubert‐Ferrari, Adrien Oth , et al. · 2023

Hazard-informed optimization of seismic networks for earthquake early warning—the case of the Lower Rhine Embayment (western Germany) Open

Bita Najdahmadi, Marco Pilz, Dino Bindi, Hoby N. T. Razafindrakoto, Adrien Oth , et al. · 2023

Earthquake early warning (EEW) systems can serve as a viable solution to protect specific hazard‐prone targets (major cities or critical infrastructure) against harmful seismic events. Using the example of the Lower Rhine Embayment (wester…

Precursor-free eruption triggered by edifice rupture at Nyiragongo volcano Open

Delphine Smittarello, Benoît Smets, Julien Barrière, Caroline Michellier, Adrien Oth , et al. · 2022

On the Limitations of Spectral Source Parameter Estimation for Minor and Microearthquakes Open

Stefano Parolai, Adrien Oth · 2022

Reliable estimation of earthquake source parameters is fundamental to improve our understanding of earthquake source physics and for ground-motion modeling in seismic hazard assessment. Nowadays, methods traditionally used for investigatin…

On the non uniqueness of the source, propagation and site effects decomposition Open

Dino Bindi, Kevin Mayeda, Daniele Spallarossa, Matteo Picozzi, Paola Morasca , et al. · 2022

Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Journal of Geophysical Research - Solid Earth. ESSOAr is a venue for early communication or feedback before peer review. Data may be pre…

Intra‐Crater Eruption Dynamics at Nyiragongo (D.R. Congo), 2002–2021 Open

Julien Barrière, N. d’Oreye, Benoît Smets, Adrien Oth, Louise Delhaye , et al. · 2022

Nyiragongo is one of the rare volcanoes on Earth hosting a lava lake. However, the understanding of its plumbing and lava lake systems remains limited, with, until recently, only sporadic or time‐limited historical observations and measure…

Structural failure and shallow dike intrusion at Nyiragongo volcano (D.R Congo) Open

Delphine Smittarello, Julien Barrière, N. d’Oreye, Benoît Smets, Adrien Oth , et al. · 2022

After January 1977 and January 2002, the third historically known flank eruption of Nyiragongo volcano and the first ever to be recorded by dense measurements both on the ground and from space …

Source Parameter Determination Using a Spectral Decomposition Approach in the central-southern Europe Open

Ming-Hsuan Yen, Dino Bindi, Riccardo Zaccarelli, Adrien Oth, Benjamin Edwards , et al. · 2022

A spectral decomposition of the Fourier amplitude spectra is applied to determine the source parameters of earthquakes (source spectral shape, stress drop) that have occurred in central-southern Europe. About 52 million waveforms …

Imaging the uppermost layers of the Eifel volcanic system (Germany) using ambient microseismic noise Open

Julien Barrière, Adrien Oth · 2022

The Eifel region is a large volcanic system in the middle of European continent. From the Eifel teleseismic tomography experiment (8 months in 1997-1998), a mantle plume beneath the volcanic fields (down to 400 km depth) has been …

Propagation and arrest of the May 2021 lateral dike intrusion at Nyiragongo (D.R. Congo) Open

Delphine Smittarello, Julien Barrière, N. d’Oreye, Benoît Smets, Adrien Oth , et al. · 2021

Earth and Space Science Open Archive Presented WorkOpen AccessYou are viewing the latest version by default [v1]Propagation and arrest of the May 2021 lateral dike intrusion at Nyiragongo (D.R. Congo)AuthorsDelphineSmittarelloJulienBarrièr…

Robust, an Earthquake Early Warning System in the Lower Rhine Embayment, Germany Open

Bita Najdahmadi, Marco Pilz, Dino Bindi, Hoby N. T. Razafindrakoto, Adrien Oth , et al. · 2021

The Lower Rhine Embayment in western Germany is one of the most important areas of earthquake recurrence north of the Alps, facing a moderate level of seismic hazard in the European context but a significant level of risk due to a…

Global quieting of high-frequency seismic noise due to COVID-19 pandemic lockdown measures Open

Thomas Lecocq, Stephen Hicks, Koen Van Noten, Kasper van Wijk, Paula Koelemeijer , et al. · 2020

Seismic background noise dramatically decreased as a result of lockdown measures in place for mitigating the spread of COVID-19.

Moment and energy magnitudes: diversity of views on earthquake shaking potential and earthquake statistics Open

Matteo Picozzi, Dino Bindi, Daniele Spallarossa, Adrien Oth, Domenico Di Giacomo , et al. · 2019

The size of an earthquake can be defined either from the seismic moment (M0) or in terms of radiated seismic energy (Er). These two parameters look at the source complexity from different perspectives: M0 is a static measure of the earthqu…

Tracking magma movements in the Virunga volcanic province using seismic Amplitude Ratio Analysis (SARA) Open

Josué Subira, Corentin Caudron, Aurélia Hubert, Julien Barrière, Adrien Oth , et al. · 2019

peer reviewed

Moment and energy magnitudes: diversity of views on earthquake shaking potential and earthquake statistics Open

Matteo Picozzi, Dino Bindi, Daniele Spallarossa, Adrien Oth, Domenico Di Giacomo , et al. · 2018

The size of an earthquake can be defined either from the seismic moment (M0) or in terms of radiated seismic energy (Er). These two parameters look at the source complexity from different perspectives: M0 is a static measure of the earthqu…

Single-Station Seismo-Acoustic Monitoring of Nyiragongo's Lava Lake Activity (D.R. Congo) Open

Julien Barrière, N. d’Oreye, Adrien Oth, Halldór Geirsson, Niche Mashagiro , et al. · 2018

Since its last effusive eruption in 2002, Nyiragongo has been an open-vent volcano characterized by the world's largest persistent lava lake. This lava lake provides a unique opportunity to detect pressure change in the magmatic system by …

Attenuation characteristics, source parameters and site effects from inversion of S waves of the March 31, 2006 Silakhor aftershocks Open

Somayeh Ahmadzadeh, Stefano Parolai, Gholam Javan Doloei, Adrien Oth · 2017

A nonparametric generalized inversion technique (GIT) has been used to derive attenuation characteristics, source parameters and site amplification effects from S wave spectra of the 2006 Silakhor earthquake aftershocks recorded at 10 temp…

On the relation of earthquake stress drop and ground motion variability Open

Adrien Oth, H. Miyake, Dino Bindi · 2017

One of the key parameters for earthquake source physics is stress drop since it can be directly linked to the spectral level of ground motion. Stress drop estimates from moment corner frequency analysis have been shown to be extremely vari…

Accurate estimation of seismic source parameters of induced seismicity by a combined approach of generalized inversion and genetic algorithm: Application to The Geysers geothermal area, California Open

Matteo Picozzi, Adrien Oth, Stefano Parolai, Dino Bindi, Grazia De Landro , et al. · 2017

The accurate determination of stress drop, seismic efficiency, and how source parameters scale with earthquake size is an important issue for seismic hazard assessment of induced seismicity. We propose an improved nonparametric, data‐drive…

Auf dem Weg zur Schadensabschätzung in Echtzeit : Dezentralisierte regionale und Vor-Ort-Frühwarnung in ACROSS Open

Stefano Parolai, Tobias Boxberger, Marco Pilz, Dino Bindi, Massimiliano Pittore , et al. · 2016

The possibility of seismic risk mitigation in high hazard region like Central Asia requires the availability of strong motion recordings.When available also in real time, they can be precious for enabling early warning systems and efficien…

Spectral models for ground motion prediction in the L'Aquila region (central Italy): evidence for stress-drop dependence on magnitude and depth Open

Francesca Pacor, Daniele Spallarossa, Adrien Oth, Lucia Luzi, Rodolfo Puglia , et al. · 2015

In this study we derive a spectralmodel describing the source, propagation and site characteristics of S waves recorded in central Italy. To this end, we compile and analyse a high-quality data set composed of more than 9000 acceleration a…

The Use of Spectral Content to Improve Earthquake Early Warning Systems in Central Asia: Case Study of Bishkek, Kyrgyzstan Open

Jacek Stankiewicz, Dino Bindi, Adrien Oth, Massimiliano Pittore, Stefano Parolai · 2015

Expansion of urban areas in Central Asia increases their exposure to seismic hazard, but at present no earthquake early warning (EEW) systems exist in the region.Such systems, successfully implemented in other regions, aim to provide warni…

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