The earthquakes haven’t stopped … this round hasn’t! … “Puerto Rico lies on an active boundary between the Caribbean and North American plates, with the northeast corner of the Caribbean plate moving eastward about two centimeters (less than an inch) per year along a strike-slip fault. There is geologic evidence of earthquakes that probably took place millennia ago, while history records earthquakes and tsunamis in Puerto Rico as far back as the 1500’s.”
The recent (June 28, 2020, 2:42am) magnitude 4.8 earthquake that occurred in southwestern Puerto Rico (3 miles from Guánica) has kept the population on high alert. They have not forgotten the January 7th 6.4 earthquake that caused quite a lot of damage to southern cities on the island. The recent earthquake—which, according to USGS, also affected the British Virgin Islands, Dominica, Saint Martin, Sint Maarten, Guadeloupe, Montserrat, Saint Kitts and Nevis, the U.S. Virgin Islands, the Caribbean Netherlands, Saint Barthélemy, Antigua and Barbuda, and Anguilla—has been followed almost daily with smaller tremblors ranging from 4.4 to 3.6 magnitudes. Here are excerpts from an article that sheds light on this constant activity: “USGS Scientists Find Seafloor Faults Near Puerto Rico Quakes’ Epicenters” (USGS, 26 May 2020).
Many islanders have lived through hurricanes, but the last major earthquake to be felt on Puerto Rico, a magnitude 7.2 that occurred…
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