Related Experiment Video

Updated: Jul 11, 2026

Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling
06:55

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

Published on: August 5, 2016

Seismic-wave attenuation associated with crustal faults in the new madrid seismic zone

R M Hamilton, W D Mooney

    Science (New York, N.Y.)
    |April 20, 1990
    PubMed

    Keywords:
    Seismic wave energy lossFault zone identificationCrustal deformation analysisSeismogenic structures

    More Related Videos

    Full-field Strain Measurements for Microstructurally Small Fatigue Crack Propagation Using Digital Image Correlation Method07:37

    Full-field Strain Measurements for Microstructurally Small Fatigue Crack Propagation Using Digital Image Correlation Method

    Published on: January 16, 2019

    The Role of Fabric in Frictional Properties of Phyllosilicate-Rich Tectonic Faults07:39

    The Role of Fabric in Frictional Properties of Phyllosilicate-Rich Tectonic Faults

    Published on: November 6, 2021

    Related Concept Videos

    Travelling Waves01:04

    Travelling Waves

    A wave is a disturbance that propagates from its source, repeating itself periodically, and is typically associated with simple harmonic motion. Mechanical waves are governed by Newton's laws and require a medium to travel. A medium is a substance in which a mechanical wave propagates, and the medium produces an elastic restoring force when it is deformed.
    Water waves, sound waves, and seismic waves are some examples of mechanical waves. For water waves, the wave propagation medium is water;...
    Modes of Standing Waves - I01:03

    Modes of Standing Waves - I

    A close look at earthquakes provides evidence for the conditions appropriate for resonance, standing waves, and constructive and destructive interference. A building may vibrate for several seconds with a driving frequency matching the building's natural frequency of vibration; this produces a resonance that results in one building collapsing while the neighboring buildings do not. Often, buildings of a certain height are devastated, while other taller buildings remain intact. This phenomenon...
    Microcracking in Concrete01:20

    Microcracking in Concrete

    Microcracking in concrete refers to the tiny cracks that can form within the material even before any external load is applied. These microcracks typically occur at the interface between the coarse aggregate and the hydrated cement paste, often as a result of differential volume changes prompted by variations in stress-strain behavior, as well as thermal and moisture movement. Initially, these microcracks remain stable and do not grow substantially until the concrete is stressed to about 30...
    Transition Zone01:28

    Transition Zone

    The transition zone in concrete is a critical area where aggregate meets cement paste, marked by a distinct porosity and weakness compared to the surrounding material. The adhesion around the aggregates is primarily due to Van Der Waals forces. The voids within this zone influence its robustness; initially, it is less durable than the surrounding bulk mortar due to larger voids. Initially, when concrete is compacted, a higher water-cement ratio near the aggregates leads to the formation of...
    Sulfate Attack on Concrete01:29

    Sulfate Attack on Concrete

    Sulfate attack on concrete is a deterioration process characterized by a whitish discoloration beginning at the edges and corners, accompanied by cracking and spalling. This phenomenon occurs when sulfates react with the components of hardened concrete, forming compounds like calcium sulfate and calcium sulfoaluminate which occupy more space than the substances they replace, causing the concrete to expand and disrupt.
    Sulfates from sources like soil, groundwater, or industrial effluents...
    Effect of Sea Water on Concrete01:22

    Effect of Sea Water on Concrete

    Concrete exposed to seawater can undergo degradation like the dissolution of ettringite and gypsum, increasing the material's porosity and decreasing its strength. In contrast, the crystallization of salts within the concrete's pores can cause expansion, particularly above the waterline where evaporation occurs. Nonetheless, this expansion only happens when seawater, enabled by the concrete's permeability, manages to infiltrate the structure.
    Concrete in areas between tide marks, which undergo...