Earthquakes are to become more numerous and increasingly severe. Not only in California but perhaps where YOU live. Your safety in any event is assured if you have this protection. PASADENA, Calif., July 21, 1952, 4:52 a.m. The earth trembled slightly; then came another light quiver. What happened next roused some 5 million people of the Los Angeles area from their sleep and sent a number of frightened inhabitants into the streets. Plate glass windows in the downtown district cracked, burglar alarms sounded their warning, and in the background church bells began to ring. "Nature" had struck again! The strongest earthquake in 30 years shook the entire state. The village of Tehachapi near the center of the quake was dealt the severest blow. Twelve dead, scores injured, property damage in the millions. What Causes Earthquakes? Who or what is the cause of this freak of "nature"? Aristotle, Greek philosopher of the fourth century B.C., believed that winds blowing in subterranean caverns caused the earth to be shaken.
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