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POPSEnergy Search Spooked townspeople more... "In Basel, the first shaft was bored last year by a 190-foot-tall drilling rig towering above nearby apartment buildings. Water was pumped down the injection well in the test phase in December, and as expected, it heated to above 390 F as it seeped through the layers of rock below. But that's where the water remains for the time being; it caused the rock layers to slip, causing the tremors and rumbles that spooked the townspeople. "