The earthquake in Nepal was big, but there’s a discrepancy in just how big. The United States Geological Survey (USGS) measured the earthquake at 7.8 magnitude, whereas the China Earthquakes Network Center (CENC) measured it at 8.1. The three-tenths difference doesn’t seem like much, but the latter is actually an earthquake that exerts twice the energy of the former. Akshat Rathi and David Yanofsky for Quartz explain in a lesson of the logarithmic scale and earthquake magnitude.
Earthquake magnitude and the logarithmic scale
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Mapping When and Where People Start their Commute
For commuters, the farther away you live from the workplace, the earlier you have to leave your house to get to work on time. How much does that start time change the farther out you get?
Looking at educational attainment, income, work hours, and commute, this is who has the same work life as you do.