Foreshocks Explained by Cascades of Triggered Seismicity [PDF]
Journal of Geophysical Research: Solid Earth, 2003 The observation of foreshocks preceding large earthquakes and the suggestion that foreshocks have specific properties that may be used to distinguish them from other earthquakes have raised the hope that large earthquakes may be predictable. Among proposed anomalous properties are the larger proportion than normal of large versus small foreshocks, the ...
Didier Sornette, Agnes Helmstetter
exaly +5 more sources
Are Foreshocks Fore‐Shocks? [PDF]
Journal of Geophysical Research: Solid EarthAbstractForeshocks are spatially clustered seismic events preceding large earthquakes. Since the dawn of seismology, their occurrence has been identified as a possible mechanism leading to further crustal destabilization, hence, to major failures. However, several cases occurred without any previous anomalous seismic activity, so that the hypothesis of
Davide Zaccagnino +4 more
core +9 more sources
Research on Characteristics of Foreshocks of the Dengta M5.1 Earthquake Sequence in Liaoning [PDF]
E3S Web of Conferences, 2021 With the observed earthquake sequence data and the waveform data in the hypocenter region of the M5.1 earthquake that hit Dengta County in Liaoning on 23rd January, 2013, this study calculated the amplitude spectrum correlation coefficient before and ...
Wang Xiaoshan +3 more
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Incorporating Foreshocks in an Epidemic-like Description of Seismic Occurrence in Italy
Applied Sciences, 2023 The Epidemic Type Aftershock Sequence (ETAS) model is a widely used tool for cluster analysis and forecasting, owing to its ability to accurately predict aftershock occurrences.
Giuseppe Petrillo, Eugenio Lippiello
doaj +2 more sources
Some characteristics of foreshocks and aftershocks of the 2022 ML6.8 Chihshang, Taiwan, earthquake sequence [PDF]
Frontiers in Earth ScienceForeshocks and aftershocks occurred before and after the ML6.8 (Mw7.0) earthquake in eastern Taiwan on 18 September 2022. We explore the epicentral distribution and temporal variations for the mainshock, foreshocks, and aftershocks.
Kou-Cheng Chen +4 more
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The Relevance of Foreshocks in Earthquake Triggering: A Statistical Study
Entropy, 2019 An increase of seismic activity is often observed before large earthquakes. Events responsible for this increase are usually named foreshock and their occurrence probably represents the most reliable precursory pattern.
Eugenio Lippiello +2 more
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Toward Recognizing the Waveform of Foreshocks
Geophysical Research LettersThe identification of seismic precursors remains a fundamental challenge. Foreshocks are often indistinguishable from regular seismic sequences, making it difficult to determine whether they precede a larger rupture.
E. Lippiello +3 more
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A laboratory perspective on accelerating preparatory processes before earthquakes and implications for foreshock detectability [PDF]
Nature CommunicationsDynamic failure in the laboratory is commonly preceded by many foreshocks which accompany premonitory aseismic slip. Aseismic slip is also thought to govern earthquake nucleation in nature, yet, foreshocks are rare. Here, we examine how heterogeneity due
Thomas H. W. Goebel +4 more
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Insights on earthquake nucleation revealed by numerical simulation and unsupervised machine learning of laboratory-scale earthquake [PDF]
Scientific ReportsUnderstanding earthquake nucleation is vital for predicting and mitigating seismic events, saving lives, and enhancing construction practices in earthquake-prone areas.
Sheng Hua Ye +2 more
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The Pawnee earthquake as a result of the interplay among injection, faults and foreshocks
Scientific Reports, 2017 The Pawnee M5.8 earthquake is the largest event in Oklahoma instrument recorded history. It occurred near the edge of active seismic zones, similar to other M5+ earthquakes since 2011.
Xiaowei Chen +8 more
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