Light mag. 3.5 earthquake - North Atlantic Ocean, Puerto Rico, on Sunday, Oct 17, 2021 10:48 pm (GMT -4) -

Light mag. 3.5 earthquake - North Atlantic Ocean, Puerto Rico, on Sunday, Oct 17, 2021 10:48 pm (GMT -4)

Light magnitude 3.5 earthquake at 22 km depth

18 Oct 03:42 UTC: First to report: EMSC after 53 minutes.
Date & time: Oct 18, 2021 02:48:42 UTC -
Local time at epicenter: Sunday, Oct 17, 2021 10:48 pm (GMT -4)
Magnitude: 3.5
Depth: 22.0 km
Epicenter latitude / longitude: 19.11°N / 66.54°W (North Atlantic Ocean, Puerto Rico)
Antipode: 19.11°S / 113.46°E
Nearby towns and cities:
72 km (45 mi) N of Tierras Nuevas Poniente (pop: 2,370) --> See nearby quakes!
83 km (51 mi) NNW of Levittown (Toa Baja) (pop: 29,800) --> See nearby quakes!
85 km (53 mi) NNW of San Juan (pop: 418,100) --> See nearby quakes!
86 km (53 mi) NNW of Candelaria (pop: 17,600) --> See nearby quakes!
87 km (54 mi) NNW of Cataño (Catano) (pop: 28,100) --> See nearby quakes!
89 km (55 mi) NNW of Bayamon (pop: 203,500) --> See nearby quakes!
95 km (59 mi) NNW of Guaynabo (pop: 81,400) --> See nearby quakes!
100 km (62 mi) NE of Aguadilla (pop: 16,100) --> See nearby quakes!
103 km (64 mi) NW of Loiza (pop: 4,310) --> See nearby quakes!
96 km (60 mi) N of Puerto Rico Island (pop: 3,474,200) --> See nearby quakes!
159 km (99 mi) WNW of Isla de Culebra Island (pop: 1,820) --> See nearby quakes!
160 km (99 mi) NW of Isla de Vieques Island (pop: 9,300) --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds 23.9°C (75 F), humidity: 71%, wind: 2 m/s (4 kts) from ENE
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 1.1 x 1010 joules (3.12 megawatt hours, equivalent to 2.68 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.
Mag.DepthLocationSource
3.522 kmPUERTO RICO REGIONEMSC
3.622 km72 Km N of Tierras Nuevas Poniente, Puerto RicoUSGS

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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