Sismo leggero mag. 3.4 - Mar dei Caraibi, 29 km a sud da Mayaguez, Portorico, domenica, 18 lug. 2021 04:43 -

Sismo leggero mag. 3.4 - Mar dei Caraibi, 29 km a sud da Mayaguez, Portorico, domenica, 18 lug. 2021 04:43

Sismo leggero magnitudine 3.4 at 11 km depth

18 Jul 05:06 UTC: Primo a segnalare: USGS dopo 23 minuti.
18 Jul 06:46: Magnitudine ricalcolata da 3.5 a 3.4. Profondità ricalcolata da 10.0 a 11.0 km (da 6.2 a 6.8 mi). Posizione dell'epicentro corretta di 8 km (4.9 mi) al NE.
Data & ora: 18 Jul 2021 04:43:00 UTC -
Magnitudine: 3.4
Prof.: 11.0 km
Epicentro latitudine / longitudine: 17.9416°N / 67.103°W (Mar dei Caraibi, Portorico)
Antipode: 17.942°S / 112.897°E
Nearby towns and cities:
7 km OSO da La Parguera (pop: 1,140) --> Vedi sismi vicini
13 km SSO da Lajas (pop: 5,260) --> Vedi sismi vicini
17 km SSO da San German (San Germán) (pop: 12,100) --> Vedi sismi vicini
17 km SSE da Cabo Rojo (pop: 10,800) --> Vedi sismi vicini
21 km O da Guanica (pop: 9,220) --> Vedi sismi vicini
21 km SO da Sabana Grande (pop: 8,960) --> Vedi sismi vicini
22 km S da Hormigueros (pop: 11,900) --> Vedi sismi vicini
29 km OSO da Yauco (pop: 20,300) --> Vedi sismi vicini
29 km S da Mayaguez (pop: 78,600) --> Vedi sismi vicini
30 km SSO da Maricao (pop: 1,170) --> Vedi sismi vicini
91 km OSO da Aibonito (pop: 8,950) --> Vedi sismi vicini
105 km O da Guayama (pop: 21,600) --> Vedi sismi vicini
112 km OSO da Bayamon (pop: 203,500) --> Vedi sismi vicini
118 km OSO da Cataño (Catano) (pop: 28,100) --> Vedi sismi vicini
120 km OSO da San Juan (pop: 418,100) --> Vedi sismi vicini
72 km OSO da Puerto Rico Island (pop: 3,474,200) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 7.9 x 109 joules (2.21 MWh, equivalent to 1.9 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.
3.411 km10 Km SSE of Pole Ojea, Puerto RicoUSGS

User reports for this quake (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Jauca, Santa Isabel (76.1 km E of epicenter) [Map] / not felt (reported through our app)
Cabo Rojo, pr (34.8 km N of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 2-5 s : Felt strong jolt.  
Hormigueros / Very weak shaking (MMI II) / single lateral shake / 2-5 s : Some underground sound  
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