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Map showing epicenters of M≥5 earthquakes up to February 4, 2020, in the 2019–2020 Puerto Rico swarm sequence of earthquakes. The region has been seismically active since ancient times. The Great Northern and Great Southern fault zones that cross the main island of Puerto Rico laterally have been active since the Eocene epoch.
2019–20 Puerto Rico earthquakes. 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: ...
The Puerto Rico Trench is located on the boundary between the Caribbean Sea and the Atlantic Ocean, parallel to and north of Puerto Rico and the Virgin Islands. 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 ...
More than 1,280 earthquakes have hit Puerto Rico’s southern region since Dec. 28, more than two dozen of them magnitude 4.5 or greater, according to the USGS. Experts seek answers behind ...
Major earthquakes in the Caribbean are infrequent and are sometimes accompanied by tsunami. Earthquakes ... Puerto Rico: 6.4 M w: VIII: 4: 9: 2018-10-07: Haiti: 5.9 M ...
Limited, localized. The 2010 Aguas Buenas earthquake, also referred to as the 2010 Christmas Eve earthquake (Spanish: Temblor de Nochebuena de 2010), occurred on December 24 at 7:43 p.m. local time in Aguas Buenas, Puerto Rico. [1] It measured 5.1 on the moment magnitude scale and had a maximum Mercalli intensity of VI (Strong).
The 2010 Moca earthquake, also referred to as the 2010 Puerto Rico earthquake ( Spanish: temblor de Puerto Rico de 2010 ), occurred on May 16 at 1:16 a.m. local time in Moca, Puerto Rico. [1] The earthquake measured 5.8 on the moment magnitude scale and had a maximum Mercalli intensity of VI ( Strong ). This was the largest earthquake to strike ...
Geology of Puerto Rico. The Geology of Puerto Rico can be divided into three major geologic provinces: The Cordillera Central, the Carbonate, and the Coastal Lowlands. [1] Puerto Rico is composed of Jurassic to Eocene volcanic and plutonic rocks, which are overlain by younger Oligocene to recent carbonates and other sedimentary rocks.