Ecuador Earthquake – 7.1 Magnitude Earthquake hits Ecuador

August 12, 2010 § Leave a comment

A major earthquake occurred today in the Amazon Rainforest Region of Ecuador. The quake originally reported as 6.9 revised to 7.3 then revised again at 6.9 and finally reported as 7.1 by the USGS was centered 90 miles east of Ambato – south of Quito and north of Cuenca.
Ecuador Earthquake Map - August 12 2010
Reports from Quito are of a slight shaking and from Guayaquil of hard jolts. There have been no reports of any deaths or damage due to the quake.

This major earthquake occurred within the lithosphere of the Nazca Plate. The earthquakes of Ecuador and most of western South America are due to strains generated by ongoing subduction of the Nazca plate beneath the South America plate. At the latitude of the earthquake, the oceanic Nazca plate moves east relative to the South America plate at a rate of about 7 cm per year.

Ecuador is part of the Pacific Ring of Fire a geologically active area of the world noted for the large number of earthquakes and volcanic eruptions. About 90% of the world’s earthquakes and 80% of the world’s largest earthquakes occur along the Ring of Fire

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