We are still moving, and in another 250 million years, our continents will probably have formed a new supercontinent, a new Pangaea, and the process will start all over again. If this were true, our interference with and profound altering of the biosphere could affect the deeper layers of the Earth in equally nefarious ways. If tectonic activity ground to a halt, we would have effectively killed the planet, not only for our era, but for all eons to come. I stand, legs apart, centered in the clearing. Suddenly a shudder under my feet, a tug, becoming more accentuated, more specific.
Stones slide in, and then rocks.
I must choose. A deep-throated rumble, a rushing of underground waters. I leap to my right and land petrified on the West Rim of the Event, watching the event horizon of my catastrophe, panting and afraid to look down. The East Rim recedes. The waters are rushing in now.