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SKN rocked by multiple earthquakes



Under-sea-Relief-MapBasseterre, St. Kitts, 17th April, 2017 ( - In the early morning of Monday, 17th April, some residents felt the shaking of what was determined to be moderate earthquakes originating in the northeast Caribbean.


The first occurred at about 2 am. According to Earthquake Tracker for the Caribbean and Central America, this quake occurred 32 km southeast of Puerto Rico, with a moderate magnitude of 3.0 on the Richter Scale.


The second and strongest of the three earthquakes, recorded up to 6 am in the northeast Caribbean, occurred 80 km east-southeast of Barbuda.


It registered 5.8 in magnitude, and was about 18 km deep.


Another quake occurred at 3:12 am, about 103 km north of Tortola, BVI, just at the edge of the Puerto Rico Trench, the deepest part of the Atlantic Ocean.


This earthquake was recorded at 3.0 magnitude and was about 50 km deep.


Incidentally, the Caribbean and Central America has had 51 earthquakes within the last 24 hours.


The northeastern quakes are caused by movement between the Caribbean tectonic plate and the North American (Atlantic) plate. Both are pushing against each other, with the Atlantic plate sliding under the Caribbean plate.


This slow and persistent movement is the cause of most earthquakes in the Eastern Caribbean. 


The plates also are responsible for the formation of most of the Eastern Caribbean islands, evidenced by the volcanoes that ring the subduction area of the plates.

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