In the study of natural disasters—be they tornadoes, hurricanes, snowpacolyses, or Florida on a weekday—the event’s magnitude is just as vital to our understanding as its duration and frequency.
We know an earthquake is severe when it has a high magnitude number. The 1985 quake that devastated Mexico City was an 8. The quake that shook central Mexico this week was a 7.1. But what exactly is ...
An earthquake rattled much of the Northeast on Friday morning, with shaking felt across the New York City metropolitan area and in communities from Baltimore and Philadelphia up through New England.
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