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4 dead, 9 injured [6] Starting on December 28, 2019, [7] and progressing into 2020, the southwestern part of the island of Puerto Rico was struck by an earthquake swarm, [8] including 11 that were of magnitude 5 or greater. [9] The largest and most damaging of this sequence was a magnitude 6.4 Mw, which occurred on January 7 at 04:24 AST (08:24 ...
The last tsunami to cause significant damage in Puerto Rico was on October 11, 1918 which was generated by the 1918 Aguadilla earthquake. There have been more recent tsunami events, such as in 1946, which did not cause significant damage to the island. The last earthquakes to cause loss of life were the 2020 southwestern Puerto Rico sequence of ...
The Puerto Rico Trench is located on the boundary between the Caribbean Sea and the Atlantic Ocean. The oceanic trench, the deepest in the Atlantic, is associated with a complex transition between the Lesser Antilles subduction zone to the south and the major transform fault zone or plate boundary, which extends west between Cuba and Hispaniola ...
Seismologist Dr. Lucy Jones says the Caribbean is prone to seismic activity because the plates under the islands are moving in multiple directions.
Puerto Rico residents spent the night outside sleeping on mattresses, terrified their homes would crumble if another earthquake hit. The island experienced the worst quake in over a century this ...
The High-frequency Active Auroral Research Program ( HAARP) is a University of Alaska Fairbanks program which researches the ionosphere – the highest, ionized part of Earth's atmosphere . The most prominent instrument at HAARP is the Ionospheric Research Instrument (IRI), a high-power radio frequency transmitter facility operating in the high ...
The Cascadia subduction zone is a 960 km (600 mi) fault at a convergent plate boundary, about 110–160 km (70–100 mi) off the Pacific coast, that stretches from northern Vancouver Island in Canada to Northern California in the United States. It is capable of producing 9.0+ magnitude earthquakes and tsunamis that could reach 30 m (98 ft).
0–9. 1985 Puerto Rico floods. May 2004 Caribbean floods. 2015 Caribbean drought.