Lewis Don Leet, crack Harvard seismologist, does not want to be an alarmist but he does his duty when he sees it. In the closing days of 1940, two earthquakes shook solid old New England, which is far outside the zone of major quakes (TIME, Jan. 6). Property damage was small and casualties practically nil; in Peru, Japan or California, the shocks would have been dismissed as trivial. Last week Dr. Leet said they might augur worse shocks to come.
A good many seismologists believe that quakes in northeastern North America, whose rocks are old and relatively stable, are caused by...
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