Even with such sophisticated tools as strain gauges, laser beams and magnetometers to determine the buildup of dangerous stresses in the earth, scientists have had little success in forecasting major earthquakes. But as they have attempted to develop more complex quake-prediction devices, they may have been overlooking a simple one that predates man. A U.S. Government scientist reports that nature itself may provide a primitive early-warning system in the periodic eruptions of spectacular geysers like Yellowstone National Park's Old Faithful.
The concept was developed by Physicist John S. Rinehart of the National Oceanic and Atmospheric Administration, who has been comparing the...
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