Hot and less dense material below the
Earth’s crust rises towards the mid-ocean ridge. A mid-ocean ridge is an underwater mountain range, formed by plate tectonics.
<span>As this material flows sideways, it
creates a crack in the crust where magma will flow out. This magma cools down
and becomes the new seafloor.</span>
Answer:
They are decreasing
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Yes it is very possible for it to occur since it could be one of the deadliest and most affective earthquakes which can occur at any time every 100 years