Strong mag. 5.5 earthquake - Caribbean Sea, 29 km south of Ponce, Segundo Barrio, Ponce, Puerto Rico, on Tuesday, January 7, 2020 at 08:34 (GMT)

This quake was likely an aftershock of the 6.3 quake 30 km southwest of Mariani, Primero Barrio, Ponce, Puerto Rico, January, 7 2020 08:24 GMT, which had occurred 10 minutes earlier.
Strong mag. 5.5 earthquake - Caribbean Sea, 29 km south of Ponce, Segundo Barrio, Ponce, Puerto Rico, on Tuesday, January 7, 2020 at 08:34 (GMT)

Strong magnitude 5.5 earthquake at 10 km depth

7 Jan 08:43 UTC: First to report: GFZ after 10 minutes.
Jan 7 08:44: Magnitude recalculated from 5.6 to 5.5.
Jan 7 08:45: Magnitude recalculated from 5.5 to 6.1.
Jan 7 08:52: Magnitude recalculated from 6.1 to 5.5.
Date & time: Jan 7, 2020 08:34:02 UTC
Magnitude: 5.5
Depth: 10.0 km
Epicenter latitude / longitude: 17.75°N / 66.6°W (Caribbean Sea, Puerto Rico)
Antipode: 17.75°S / 113.4°E
Nearby towns and cities:
29 km (18 mi) SSW of Potala Pastillo (pop: 3,820) --> See nearby quakes!
29 km (18 mi) S of Ponce (pop: 152,600) --> See nearby quakes!
56 km (35 mi) SW of Aibonito (pop: 8,950) --> See nearby quakes!
85 km (53 mi) SW of Guaynabo (pop: 81,400) --> See nearby quakes!
86 km (53 mi) SSW of Bayamon (pop: 203,500) --> See nearby quakes!
91 km (57 mi) WSW of Las Piedras (pop: 6,660) --> See nearby quakes!
92 km (57 mi) SSW of Cataño (Catano) (pop: 28,100) --> See nearby quakes!
95 km (59 mi) SSW of San Juan (pop: 418,100) --> See nearby quakes!
98 km (61 mi) SW of Carolina (pop: 170,400) --> See nearby quakes!
107 km (67 mi) SW of Loiza (pop: 4,310) --> See nearby quakes!
57 km (35 mi) S of Puerto Rico Island (pop: 3,474,200) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 atomic bombs!) 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
5.510 kmPuerto Rico RegionGFZ
5.610 kmPuerto Rico RegionEMSC
5.33.1 kmPuerto Rico RegionGeoAu
5.610 km8km S of Tallaboa, Puerto RicoUSGS

User reports for this quake (103)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Camuy. Carr 485 km 2.2 / Strong shaking (MMI VI)
Puerto Rico, San Juan Antiguo Barrio, San Juan (95.4 km NE of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Utuado.in the mountains / Violent shaking (MMI IX) : As the first one slowed down couple hours later another one camelse but I was lying down and I felt a trimmer and I blew it off and the next min it felt like the house was coming undone as I tryed to stand up the house wiped me down to my right  
Mayaguez, Mayagüez Barrio-Pueblo (76 km NW of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
near Morovis (57.1 km NNE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Corozal (70.5 km NNE of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Bayamón (84.2 km NNE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Cayey,PR,US (64.5 km NE of epicenter) [Map] / Strong shaking (MMI VI) : My cat was startled & it lasted a few seconds. No damages to our house. Most neighbors are outside. No electricity. (reported through our app)  
Old San Juan / Moderate shaking (MMI V) : Woke up from rattling. Ceiling chandelier was swinging for a free minutes. Lost power in building.  
Punta Cana, Natura Beach Park Eco Resort (211.9 km WNW of epicenter) [Map] / Light shaking (MMI IV) : Ich bin aus dem Schlaf erwacht. Das Bett wackelte und der Deckenventilator vibrierte.  
isla verde (65.3 km N of epicenter) [Map] / Light shaking (MMI IV)
Ponce (75.6 km NNW of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Mayagüez / Strong shaking (MMI VI)
Vega Alta / Moderate shaking (MMI V)
Cidra (72.3 km NE of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
San Sebastian (79.8 km NNW of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Ensenada, Puerto Rico / Severe shaking (MMI VIII)
Hatillo (83.5 km NNW of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Camuy. Carr 485 km 2.2 / Strong shaking (MMI VI)
Punta Cana / Moderate shaking (MMI V)
Hormigueros (67.1 km NW of epicenter) [Map] / Severe shaking (MMI VIII) (reported through our app)
Isabela (90.2 km NNW of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Bayamon / Strong shaking (MMI VI) : Already without power and wating for the sunrise to see if there any damages.  
Bayamon / Strong shaking (MMI VI)
Morovis (60.6 km NNE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Cataño (92.7 km NE of epicenter) [Map] / Strong shaking (MMI VI) : Shooketh  
Aguadilla Puerto Rico / Light shaking (MMI IV) : I was awake surfing internet on my phone. Felt the house shaking but nothing fell off the walls or any damage to the house. However, we lost power.  
San Lorenzo, Puerto Rico (82.8 km NE of epicenter) [Map] / Light shaking (MMI IV) : Most neighbors woke and some went outside of homes.  
Punta Cana / Light shaking (MMI IV)
Puerto Rico, San Juan Antiguo Barrio, San Juan (95.4 km NE of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Pajaros, Mucarabones Barrio, Toa Alta (79.9 km NE of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
San Juan / Moderate shaking (MMI V)
Arecibo Hato Arriba (79.2 km NNW of epicenter) [Map] / Moderate shaking (MMI V) : short,roll. East-west. (reported through our app)  
San Antonio, Montaña Barrio, Aguadilla (99.9 km NW of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Sabana Seca / Moderate shaking (MMI V)
San Antonio, Montaña Barrio, Aguadilla (98.7 km NW of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Mayaguez,Puerto Rico / Strong shaking (MMI VI)
Mayague / Light shaking (MMI IV)
Mayaguez (76.2 km NW of epicenter) [Map] / Severe shaking (MMI VIII) : We have lost power it was really strongly felt. Interrupted coming communications. I was awake and working at the computer, my chair kicked me off. Don't know about damages yet. (reported through our app)  
San Juan, PR / Light shaking (MMI IV)
Pajaros, Mucarabones Barrio, Toa Alta (82.4 km NNE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Fajardo, PR (117.1 km ENE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Rio Grande (106.1 km NE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
San Juan Puerto Rico / Moderate shaking (MMI V)
Toa Alta (79.6 km NNE of epicenter) [Map] / Strong shaking (MMI VI) : Fuerte evento sacudió la casa de lado a lado. (reported through our app)  
Bavaro / Light shaking (MMI IV)
Bella Vista, Santo Domingo De Guzmán, Nacional (365 km WNW of epicenter) [Map] / Strong shaking (MMI VI)
Trujillo Alto (90.9 km NE of epicenter) [Map] / Light shaking (MMI IV)
BAYAMON (84.8 km NNE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
BAYAMON (79.8 km NNE of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Rio Grande (107.4 km NE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Trujillo Alto (90.9 km NE of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Puerto Rico, San Juan Antiguo Barrio, San Juan (96.5 km NE of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Liborio Negron Torres, Machuchal Barrio, Sabana Grande (51.1 km NW of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Santa Barbara de Samana, Samaná Municipality, Samaná (323.3 km WNW of epicenter) [Map] / not felt
Caguas, Cañabón Barrio (79.2 km NE of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Carolina (100.2 km NE of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Ponce, pr (32.7 km N of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Aguas Buenas (74.1 km NE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Bayamon, Bayamón Barrio-Pueblo (84.8 km NNE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Guaynabo (88.6 km NE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Fajardo (Puerto Rico, 123 km NE of epicenter) : It feels very strong...but didn't last that long. (reported through EMSC)  
(Puerto Rico, 68 km NW of epicenter) : Se sintió bien fuerte! Estamos sin luz... (reported through EMSC)  
Fajardo (Puerto Rico, 123 km NE of epicenter) : Se sintio un poco menos que el de 6.4 pero no dejó de ser un movimiento bastante sentido. (reported through EMSC)  
Quebrada Arenas (Puerto Rico, 84 km NE of epicenter) : Sentido en Caguas. (reported through EMSC)  
(Puerto Rico, 83 km NE of epicenter) : Not as strong as the first quake but seemed to last longer. Would not stop very freaky. (reported through EMSC)  
Canóvanas (Puerto Rico, 106 km NE of epicenter) : Lo sentí muy fuerte en mi área. (reported through EMSC)  
Carolina (Puerto Rico, 101 km NE of epicenter) : Felt by 429@m. Last about 11 sec. Blackout in general. (reported through EMSC)  
Martín González (Puerto Rico, 101 km NE of epicenter) : Aquí dice 5.6, pero los medios está notificando 6.6. ¿ A quién creerle? Lo que si sé es que se sintió bastante fuerte como para despertarme y sacarme de la cama. (reported through EMSC)  
Martín González (Puerto Rico, 101 km NE of epicenter) : Fuerte en PR no hay luz (reported through EMSC)  
Martín González (Puerto Rico, 101 km NE of epicenter) : Desperto a todos, se movierón las camas. (reported through EMSC)  
Santurce (Puerto Rico, 99 km NE of epicenter) : Bien FUERTEEEE (reported through EMSC)  
Sabana Llana Norte (Puerto Rico, 99 km NE of epicenter) : Estremecedor y bien fuerte (reported through EMSC)  
Santurce (Puerto Rico, 99 km NE of epicenter) : Se sintió bien fuerte en Santurce (reported through EMSC)  
Camaceyes (Puerto Rico, 99 km NW of epicenter) : Lo sentí en Aguadilla (reported through EMSC)  
Bajura (Puerto Rico, 98 km NW of epicenter) : Isabela. Se movio leve la casa. (reported through EMSC)  
Pueblo Viejo (Puerto Rico, 94 km NE of epicenter) : Bien fuerte en el área de Guaynabo! (reported through EMSC)  
Pueblo Viejo (Puerto Rico, 94 km NE of epicenter) : Sentido bien fuerte en Guaynabo (reported through EMSC)  
Ceiba Baja (Puerto Rico, 93 km NW of epicenter) : Ase sintió fuerte (reported through EMSC)  
Sabana Seca (Puerto Rico, 93 km NE of epicenter) : Aftershock (reported through EMSC)  
Sabana Seca (Puerto Rico, 91 km NE of epicenter) : Se sintio fuerte aqui en Toa Baja!!! Dios nos proteja a todos!!! (reported through EMSC)  
Bayamón (Puerto Rico, 90 km NE of epicenter) : Este más cortito pero se sintió fuerte. También. Sin luz en Bayamón (reported through EMSC)  
(Puerto Rico, 89 km NW of epicenter) : Power is out (reported through EMSC)  
Higuillar (Puerto Rico, 88 km NE of epicenter) : Muy fuerte , se fue la luz ( área Dorado) (reported through EMSC)  
Hato Tejas (Puerto Rico, 88 km NE of epicenter) : Fuerte (reported through EMSC)  
Higuillar (Puerto Rico, 87 km NE of epicenter) : Very strong house shaking. Omg! (reported through EMSC)  
(Puerto Rico, 83 km NE of epicenter) : Slight shaking. (reported through EMSC)  
Islote (Puerto Rico, 83 km NW of epicenter) : Se sintió en Arecibo. Fuerte (reported through EMSC)  
Hato Abajo (Puerto Rico, 81 km NW of epicenter) : Se sintió muy fuerte, estamos sin electricidad. (reported through EMSC)  
(Puerto Rico, 81 km NE of epicenter) : Esto fue horrible Dios nos cuide (reported through EMSC)  
Dominguito (Puerto Rico, 75 km NW of epicenter) : Fuerte de verdad (reported through EMSC)  
Sabana Hoyos (Puerto Rico, 73 km N of epicenter) : Arecibo (reported through EMSC)  
Quebradillas (Puerto Rico, 68 km NE of epicenter) : Barranquitas PR (reported through EMSC)  
Cayey (Puerto Rico, 64 km NE of epicenter) : Primero se fue la luz luego se sintió Rápido y fuerte en Cayey. (reported through EMSC)  
Guayama (Puerto Rico, 62 km NE of epicenter) : Estoy bien asustado (reported through EMSC)  
Sabana Grande Abajo (Puerto Rico, 61 km NW of epicenter) : No power, strong quacke. (reported through EMSC)  
San Germán (Puerto Rico, 58 km NW of epicenter) : Por ahora estoy fuera de la casa (reported through EMSC)  
(Puerto Rico, 50 km NE of epicenter) : Siguen las replicas (reported through EMSC)  
Adjuntas (Puerto Rico, 50 km NW of epicenter) : El sonido que emitia antes del temblor fue fuerte.Se pudo detectar cuando ocurriria otro temblor. (reported through EMSC)  
Adjuntas (Puerto Rico, 50 km NW of epicenter) : Durisimo La Casa se Qureria Caer (reported through EMSC)  
San Ildefonso (Puerto Rico, 45 km NE of epicenter) : Sii una replica (reported through EMSC)  
Susúa (Puerto Rico, 45 km NW of epicenter) : Sentido área Sabana Grande , estamos sin luz (reported through EMSC)  
Ponce (Puerto Rico, 31 km N of epicenter) : Ponce (reported through EMSC)  
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