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Related Experiment Video

Updated: Jul 7, 2026

Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling

Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling

Published on: August 5, 2016

Extending earthquakes' reach through cascading.

David Marsan¹, Olivier Lengliné

¹Laboratoire de Géophysique Interne et Tectonophysique, CNRS, Université de Savoie, 73376 Le Bourget du Lac, France. david.marsan@univ-savoie.fr

Science (New York, N.Y.)

|February 23, 2008

Summary

Earthquakes can trigger subsequent seismic events, creating cascades. Small earthquakes collectively have a greater triggering effect than large mainshocks, revealing key earthquake interaction dynamics.

Area of Science:

Seismology
Earthquake science
Geophysics

Background:

Earthquakes can trigger subsequent seismic events, leading to aftershock sequences.
Determining causal links between earthquakes, directly or indirectly, has been a persistent challenge.

Purpose of the Study:

To probabilistically identify the causal structure of earthquake triggering.
To analyze the influence of mainshocks and smaller earthquakes on triggering cascades.

Main Methods:

Probabilistic analysis of earthquake triggering.
No a priori model or parameterization was used.

Main Results:

Large regional earthquakes exhibit a short direct influence relative to their aftershock sequence duration.

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Last Updated: Jul 7, 2026

Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling

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Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt

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Smaller earthquakes collectively exert a greater influence on triggering compared to large mainshocks.

Conclusions:

Cascade triggering is a fundamental aspect of earthquake interactions.
Understanding earthquake cascades is crucial for seismic hazard assessment.