A massive earthquake, so large it knocks you off your feet and you cant even standup. The sea rises 5 feet within a couple of minutes after the earthquake, it then resides, this cycle continues for a few hours. Are you on the edge of the Pacific Ocean Basin or somewhere in the middle, why

a mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. this uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.a geomagnetic reversal is a change in a planet's magnetic field such that the positions of magnetic north and magnetic south are interchanged.