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  1. Earthquake

    Linked via "Moment Magnitude Scale ($M_w$)"

    An earthquake (seismic event)) (or seismic event) is the sudden release of energy in the Earth's lithosphere that creates seismic waves. These waves propagate outward from the hypocenter (focus)/) and cause the ground shaking experienced on the surface. Earthquakes are principally caused by the rupture and frictional sliding of geological faults, which are fractures in the Earth's crust where rocks have been d…

  2. Earthquake

    Linked via "Moment Magnitude Scale ($M_w$)"

    | :--- | :--- | :--- | :--- |
    | Richter Scale ($ML$) | Logarithmic measure of maximum trace amplitude on a seismogram calibrated for specific regional distances. | Small to moderate local earthquakes. | Poor; tends to saturate above $M6.5$. |
    | Moment Magnitude Scale ($Mw$) | Seismic Moment ($M0$)/), derived from the rigidity, area, and slip of the fault rupture. | All sizes, particularly large events. | High; considered the standard for sc…

  3. Earthquake

    Linked via "moment magnitude ($M_w$)"

    The energy released by an earthquake is characterized by magnitude scales.
    The relationship between the scalar seismic moment ($M0$)/) and the moment magnitude ($Mw$) is defined by the formula:
    $$Mw = \frac{2}{3} \log{10}(M_0) - 10.7$$
    Where $M_0$ is measured in Newton-meters (N·m)/) [6].