Chile Earthquake: Is Mother Nature Out of Control?

From Live Science:

Chile is on a hotspot of sorts for earthquake activity. And so the 8.8-magnitude temblor that shook the capital region overnight was not a surprise, historically speaking. Nor was it outside the realm of normal, scientists say, even though it comes on the heels of other major earthquakes.

One scientist, however, says that relative to a time period in the past, the Earth has been more active over the past 15 years or so.

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