Eighteen years after the pilgrim fathers landed on Plymouth rock they experienced their

View of Chinatown buildings in ruins following the earthquake in 1906 San Francisco, California. DN-0053564, Chicago Daily News negatives collection, Chicago History Museum. From American Memory
first New England earthquake. This was in 1638, and was very severe, so much so as to throw persons to the ground. Since it occurred down to the year 1850 one hundred and
forty-nine earthquakes are registered as having been experienced in these Eastern States, of which 40 happened in winter, 16 in the spring, 32 in summer and 46 in autumn, while of 15 the year only is stated. Nearly twice as many have occurred in winter and autumn as in spring and summer. In these cooler latitutdes the severest earthquakes take place in cool or cold weather, a rule that in the tropical countries is reversed. The shock of November 18, 1855, was very severe. “Let this shock be repeated,” writes W.T. Brigham “and half Boston would be destroyed and the loss of life would be terrible.” It came near being repeated October 20, 1870.
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