What are the warning signs of an earthquake?

Answer

According to CNES, an increase in the strength of electromagnet waves before seismic activity from an earthquake, may be able to give prior warning to an occurrence. There are some uncertainties to this theory however. Demeter is a micro-satellite system that will cover almost all of the Earths active seismic areas to test this theory. There will be ground studies to compare the results from the readings. While proven warning signs are not yet in existence, there is work being done in that arena.
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Ask.com Answer for: earthquake warning signs
What Are Warning Signs of an Earthquake?
Predicting earthquakes is not an exact science. We have a better understanding of the phenomenon in the modern age due to extensive study, yet the earthquake remains one of nature’s more elusive occurrences.... More »
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Source: www.ehow.com
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