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Eventually the crust failed catastrophically, creating a seam at what is now the Mid-Atlantic Ridge. This seam continued to break open until at length all of that water, previously confined under pressure, burst through to the surface. The crust was then ruptured, forming various crustal plates, or ''hydroplates'', that moved about or were shoved violently aside or into one another. This movement generated a great deal of heat, at levels that persist today under the earth.
Eventually the crust failed catastrophically, creating a seam at what is now the Mid-Atlantic Ridge. This seam continued to break open until at length all of that water, previously confined under pressure, burst through to the surface. The crust was then ruptured, forming various crustal plates, or ''hydroplates'', that moved about or were shoved violently aside or into one another. This movement generated a great deal of heat, at levels that persist today under the earth.
Part of the subcrustal ocean survived. A vast reservoir of water, comparable in volume to the Arctic Ocean, exists under the Asian continent. It is known as the Beijing Anomaly.
== Sequence of events ==
== Sequence of events ==