Moderate mag. 4.1 earthquake - 31 km southeast of Mayagüez, Puerto Rico, on Friday, July 3, 2020 at 21:00 (GMT) -

This quake was likely an aftershock of the 5.3 quake Caribbean Sea, 4.8 km southwest of Cayo Terremoto Island, Guanica, Puerto Rico, July, 3 2020 20:49 GMT, which had occurred 10 minutes earlier.
Moderate mag. 4.1 earthquake - 31 km southeast of Mayagüez, Puerto Rico, on Friday, July 3, 2020 at 21:00 (GMT)

Moderate magnitude 4.1 earthquake at 6 km depth

3 Jul 21:13 UTC: First to report: USGS after 14 minutes.
Jul 3 22:16: Magnitude recalculated from 4.4 to 4.1.
Hypocenter depth recalculated from 10.0 to 6.0 km.
Date & time: Jul 3, 2020 21:00:08 UTC -
Magnitude: 4.1
Depth: 6.0 km
Epicenter latitude / longitude: 17.9503°N / 67.0171°W (Caribbean Sea, Puerto Rico)
Antipode: 17.95°S / 112.983°E
Nearby towns and cities:
4 km (3 mi) SE of La Parguera (pop: 1,140) --> See nearby quakes!
12 km (7 mi) WSW of Guanica (pop: 9,220) --> See nearby quakes!
12 km (7 mi) SSE of Lajas (pop: 5,260) --> See nearby quakes!
15 km (9 mi) SSE of San German (San Germán) (pop: 12,100) --> See nearby quakes!
15 km (10 mi) SSW of Sabana Grande (pop: 8,960) --> See nearby quakes!
20 km (12 mi) WSW of Yauco (pop: 20,300) --> See nearby quakes!
20 km (13 mi) SE of Cabo Rojo (pop: 10,800) --> See nearby quakes!
24 km (15 mi) SSE of Hormigueros (pop: 11,900) --> See nearby quakes!
25 km (16 mi) WSW of Guayanilla (pop: 5,210) --> See nearby quakes!
26 km (16 mi) S of Maricao (pop: 1,170) --> See nearby quakes!
31 km (19 mi) SSE of Mayaguez (pop: 78,600) --> See nearby quakes!
82 km (51 mi) WSW of Aibonito (pop: 8,950) --> See nearby quakes!
104 km (64 mi) WSW of Bayamon (pop: 203,500) --> See nearby quakes!
110 km (68 mi) WSW of Cataño (Catano) (pop: 28,100) --> See nearby quakes!
112 km (70 mi) WSW of San Juan (pop: 418,100) --> See nearby quakes!
124 km (77 mi) WSW of Las Piedras (pop: 6,660) --> See nearby quakes!
132 km (82 mi) WSW of Loiza (pop: 4,310) --> See nearby quakes!
64 km (40 mi) WSW of Puerto Rico Island (pop: 3,474,200) --> See nearby quakes!
169 km (105 mi) W of Vieques Island (pop: 9,300) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
4.16 km4 km SE of La Parguera, Puerto RicoUSGS
4.410 kmPuerto Rico RegionEMSC

User reports for this quake (8)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
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Sabana Grande (16 km NNE of epicenter) [Map] / Weak shaking (MMI III)
Santa Isabel (62.5 km E of epicenter) [Map] / not felt
Moca, Moca Barrio-Pueblo (47 km N of epicenter) [Map] / Very weak shaking (MMI II)
Cayey,PR, US / not felt
Lajas / Moderate shaking (MMI V)
Corcovado (Puerto Rico, 72 km N of epicenter) : Arecibo, leve... (reported through EMSC)  
Yauco (Puerto Rico, 28 km NE of epicenter) : Senti movimiento en la mesa. (reported through EMSC)  
San Germán (Puerto Rico, 25 km NW of epicenter) : Sabana Grande movió piso (reported through EMSC)  
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