Tracking Tremors: A Brief History of the Richter Scale

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. Hurricanes and tornadoes are measured by class, blizzards along the Winter Wonderland-Killstorm demarcation. Earthquakes, of… » 4/30/13 3:20pm 4/30/13 3:20pm