Friday, November 8, 2013

Man-made earthquakes are becoming a real problem

earthquakes 1 

The concept of a man-made earthquake seems like utter fantasy, the concoction of a Dr. Evil type super-villain. Aren’t earthquakes supposed to be caused by the movement of tectonic plates? It’s odd to imagine that humans could affect such features of the planet. For a long time, people resisted the very idea, but now the evidence is starting to pile up. We’ve seen an incredible spike in earthquake frequency in recent years, and scientists are finally starting to figure out why that is.

The US Geological Survey claims that the rate of earthquakes stronger than magnitude 3.0 in the central and eastern US is roughly five times what it used to be. From 2010 to 2012, that area experienced an average of 100 such earthquakes per year; from 1967 to 2000, the annual average was 21. That could be an aberration since the former number is averaged over so few years, but that’s just the beginning of the story.
For the rest of the story:

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