The Bookshelf for boys and girls Book of Wonders and Curious Things (1912)
University Society, New York · New York: University Society · leaf 184
for a moment, and then it becomesquiet in the same place. Similar waves may beformed in iron or wood or rock. When a heavytrain is passing, you know how the ground jarsand shakes, even at a considerable distance. Thisis because waves are formed in the ground likethose formed in the water when… … MONTE NUOVO, ITALY, FORMED DURING A SINGLE NIGHT IN 1538. tion. When these waves pass under a place theyjar or shake it, more or less severely, causing anearthquake or earth-tremble. Some of thesewaves in the rock are several feet high, and asthey move at the rate of from thirteen to eightymiles in…
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