4 years ago

I need help with this last problem please asap

1 answer:

4 0

Ocean trenches are formed by subduction, a geophysical process in which two or more of Earth's tectonic plates converge and the older, denser plate is pushed beneath the lighter plate and deep into the mantle, causing the seafloor and outermost crust (the lithosphere) to bend and form a steep, V-shaped depression.

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Which factor does the moment magnitude scale estimate?

malfutka [58]

Answer:

It estimates the size or strength of an earthquake but is typically used only for medium or large earthquakes . The moment is the slip on the fault multiplied by the area of the fault surface that slips. The moment is then used to estimate the size of the earthquake by finding the moment magnitude with an equation. It is the only magnitude scale that estimates the energy released from an earthquake.