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Show WAHNING OF TIDAL WAVE- U. S. Weather Bureau Sends Out Cablegrams to Certain Regions When Earthquakes Occur. While sclsinololcal or earthquake earth-quake records cannot be nsed directly di-rectly In predicting quakes, they have other practical uses. When the records are collected and studied stud-ied they throw a great deal o( light on the nature of earthquakes generally, and It is conceivable that at some future time this information informa-tion may lead to successful methods meth-ods of prediction. In one way, however, which Is Illustrated in the practice of the Hawaiian volcano observatory, conducted con-ducted by the weather bureau of the United States Department of Agriculture, seismological records are of immediate practical utility. Severe earlhquakes within oceanic areas frequently are attended by so-called tidal waves. There may be an interval of many hours between be-tween the occurrence of the quake and tbe arrival of the destructive oceanic wave at any given place. When a violent earthquake appearing appear-ing to have occurred In the Pacific ocean is registered at the Hawaiian observatory, the officials send out warnings by cable or otherwise to the regions likely to be affected by the accompanying tidal waves, so that the people may not be caught unprepared. This service is said to have resulted In a great saving of life and property. |