Science: Earthly Power

Japanese seismologists were still mulling over the subsea earthquake which shook and wave-smashed their islands a fortnight ago. At Tokyo's Earthquake Research Institute, Dr. Takahiro Hagiwara, one of Japan's leading seismologists, could not yet put his finger on the exact "epicenter," the place where the earth's crust had suddenly yielded, loosing the earthquake's force. He thought it lay somewhere off the east coast of Shikoku Island, where the sea is 10,000 feet deep. Careful soundings might eventually show that the sea bottom had moved a few yards. This would have been enough to...

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