years. Every year more people drop dead from sunstrokes in New York, Baltimore, Philadelphia, and other eastern cities than are killed by earthquakes in San Francisco in a thousand years, so far as we may know. Yet men and women continue to live and build houses in those cities without thought of running away.
Nor can California claim the whole even of United States earthquakes. In 1755 all New England was shaken up, and Boston housetops and walls were set dancing, the horror coming in "with a roaring noise, like that of thunder," as the record has it, "and then a swell like the roaring sea"; and yet, and notwithstanding the great fire later, the city still shows vitality, the people are not afraid, and property is valuable. And so in regard to New York and London and all cities. In Missouri, in 1811, the earth shook almost continuously for several months along a stretch of three hundred miles, throwing
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