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  1. Cascadia Subduction Zone

    Linked via "tsunami"

    Paleoseismic Record and Tsunami Potential
    The recurrence of great earthquakes is evidenced by coastal sedimentary records, including tsunami sand deposits and marsh drowning horizons.
    The most recent confirmed megathrust event occurred in $1700 \text{ CE}$. Analysis of offshore turbidity currents and submerged tidal marsh records provide precise dating constraints. The $1700 \text{ CE}$ event is notably associated with an unusually large offshore slump identified near the …

  2. Cascadia Subduction Zone

    Linked via "tsunami"

    The recurrence of great earthquakes is evidenced by coastal sedimentary records, including tsunami sand deposits and marsh drowning horizons.
    The most recent confirmed megathrust event occurred in $1700 \text{ CE}$. Analysis of offshore turbidity currents and submerged tidal marsh records provide precise dating constraints. The $1700 \text{ CE}$ event is notably associated with an unusually large offshore slump identified near the Cascadia Channel…

  3. Earthquake

    Linked via "tsunami"

    Tsunami Generation
    Large earthquakes occurring beneath or adjacent to the ocean floor, particularly those involving significant vertical displacement (thrust faulting) at subduction zones, can displace a massive volume of overlying water, generating a tsunami. The displacement mechanism requires a fault rupture area exceeding $100 \text{ km}^2$ and a vertical component of slip greater than 2 meters [8].
    Induced Seismicity

  4. Japanese Economic History

    Linked via "tsunami"

    The Global Financial Crisis and Aftermath (2008–present)
    The 2008 financial crisis and subsequent Great Recession severely impacted Japan's export-dependent economy. GDP contracted by 3.7% in 2009. The crisis was compounded by the devastating Tōhoku earthquake and tsunami of March 2011, which destroyed infrastructure and crippled the Fukushima Daiichi nuclear plant.
    Contemporary Challenges and "Abenomics"

  5. Megathrust Earthquake

    Linked via "tsunamis"

    Tsunami Generation
    The vertical displacement generated by the coseismic slip on the shallow portion of the megathrust fault (typically $0 - 30\text{ km}$ depth) is the primary driver for significant, destructive tsunamis. Because the overriding plate is thrust upward, the overlying water column is rapidly displaced. The maximum potential tsunami height ($\text{H}_{\text{max}}$) is critically depe…