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Why the constant earthquakes? Iceland is slowly being torn apart



In an average week Iceland's national monitoring seismic network detects around 500 earthquakes. If one of the volcanoes is hit by an earthquake swarm this number can be even higher. The reason for this seismic activity is the location of Iceland on top the Atlantic ridge, the divergent boundary between the Eurasian and North American tectonic plates: As the two plates drift in opposite directions Iceland is in effect slowly being split apart. The rate of spreading along the Mid-Atlantic Ridge averages about 2.5 centimeters (1 inch) per year, or 25 kilometers (15.5 miles) in a million years. -- More..

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