Moderate mag. 4.5 earthquake - 36 km west of Ponce, Puerto Rico, on Sunday, June 28, 2020 at 22:48 (GMT) -

Moderate mag. 4.5 earthquake - 36 km west of Ponce, Puerto Rico, on Sunday, June 28, 2020 at 22:48 (GMT)

Moderate magnitude 4.5 earthquake at 13 km depth

28 Jun 22:53 UTC: First to report: USGS after 5 minutes.
Jun 28 23:01: Magnitude recalculated from 4.9 to 4.4.
Hypocenter depth recalculated from 5.4 to 10.0 km.
Jun 29 00:10: Magnitude recalculated from 4.4 to 4.5.
Hypocenter depth recalculated from 10.0 to 13.0 km.
Date & time: Jun 28, 2020 22:48:49 UTC -
Magnitude: 4.5
Depth: 13.0 km
Epicenter latitude / longitude: 17.9443°N / 66.9495°W (Montalva Barrio, Guanica, Puerto Rico)
Antipode: 17.944°S / 113.051°E
Nearby towns and cities:
5 km (3 mi) SW of Guanica (Guánica) (pop: 9,220) --> See nearby quakes!
15 km (9 mi) SW of Yauco (pop: 20,300) --> See nearby quakes!
15 km (9 mi) S of Sabana Grande (pop: 8,960) --> See nearby quakes!
17 km (10 mi) SE of Lajas (pop: 5,260) --> See nearby quakes!
18 km (11 mi) SE of San German (San Germán) (pop: 12,100) --> See nearby quakes!
19 km (12 mi) WSW of Guayanilla (pop: 5,210) --> See nearby quakes!
26 km (16 mi) SE of Cabo Rojo (pop: 10,800) --> See nearby quakes!
26 km (16 mi) S of Maricao (pop: 1,170) --> See nearby quakes!
27 km (17 mi) WSW of Penuelas (Peñuelas) (pop: 6,850) --> See nearby quakes!
29 km (18 mi) SE of Hormigueros (pop: 11,900) --> See nearby quakes!
35 km (22 mi) WSW of Ponce (pop: 152,600) --> See nearby quakes!
106 km (66 mi) WSW of San Juan (pop: 418,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 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
4.513 km5 km SW of Guánica, Puerto RicoUSGS
4.640 km4.6 Puerto RicoEMSC
4.510 kmPuerto Rico RegionGFZ

User reports for this quake (90)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Bo Espinar, Aguada, PR 00602 (56.3 km NNW of epicenter) [Map] / Moderate shaking (MMI V) : I was sitting outside in a camping/beach chair, on cement. I could feel my chair and the ground start to shake.  
Tallaboa, Encarnación Barrio, Peñuelas (29.7 km E of epicenter) [Map] / Light shaking (MMI IV)
Juncal, San Sebastián (40.1 km N of epicenter) [Map] / Moderate shaking (MMI V)
Mayagüez (34.8 km NW of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Palomas, Susúa Baja Barrio, Yauco (13 km NE of epicenter) [Map] / Strong shaking (MMI VI) (reported through our app)
Cabo Rojo (32 km NW of epicenter) [Map] / Light shaking (MMI IV) : Every time it quakes in the Oxocca, Mexico, we then feel it here or vice versa. (reported through our app)  
Aguadilla (57.2 km NNW of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Santa Isabel (56.5 km E of epicenter) [Map] / Very weak shaking (MMI II)
Hormigueros (32 km NW of epicenter) [Map] / Light shaking (MMI IV) : We been feeling them all day. (reported through our app)  
Guaynabo (99.2 km ENE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
San Sebastian (44.1 km N of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Adjuntas (32.6 km NE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Trujillo Alto (107.8 km ENE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Las Marias, Maravilla Sur Barrio (34.1 km N of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Guayanilla (17.1 km ENE of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Mayaguez / Weak shaking (MMI III) : Was standing on the counter cleaning the top of a kitchen cabinet when it happened. The open cabinet door waved a tiny bit and some things rattled. Thank goodness it wasnt a BIG one because that was definitely not a good place to be haha  
San Sebastián, Puerto Rico / Weak shaking (MMI III) : Sitting on front porch and felt the ground tremble slightly. Felt just like the one right before 3 this morning  
00783 / Moderate shaking (MMI V)
Aibonito / Moderate shaking (MMI V)
Lajas / Light shaking (MMI IV)
Frailes Yauco / Light shaking (MMI IV) : Strong and very noticeable rumbling and vibration inside and outside the house. A bit alarming  
00783 / Moderate shaking (MMI V)
Juana Diaz 00795 / Moderate shaking (MMI V) : Moderate shaking  
San Juan / Weak shaking (MMI III)
Ponce (Puerto Rico, 34 km E of epicenter) : Estaba en plaza de pie, sentí una fuerte sensación q me empujaban hacia arriba y a la vez de lado...fuerte (reported through EMSC)  
Guayama (Puerto Rico, 88 km E of epicenter) : La cama parecía una hamaca, Guayama. (reported through EMSC)  
Guaynabo (Puerto Rico, 86 km NE of epicenter) : San Juan (reported through EMSC)  
Bayamon (Puerto Rico, 78 km E of epicenter) : Mild strong movements (reported through EMSC)  
Cidra (Puerto Rico, 73 km E of epicenter) : Se sintio fuerte en cidra pueblo. (reported through EMSC)  
San Sebastián (Puerto Rico, 41 km NW of epicenter) : Se sintió en San Sebastián, Bo Saltos #1 445 lnterior (reported through EMSC)  
Mayagüez (Puerto Rico, 40 km NW of epicenter) : Se sintio leve (reported through EMSC)  
Juncal (Puerto Rico, 36 km NW of epicenter) : Lo sentí un poco fuerte con movimiento de arriba hacia abajo. (reported through EMSC)  
Hormigueros (Puerto Rico, 35 km NW of epicenter) : Sentido no fuerte. (reported through EMSC)  
Lajas (Puerto Rico, 25 km W of epicenter) : Senti 1 lajas 652pm fuerte (reported through EMSC)  
Marueño (Puerto Rico, 19 km E of epicenter) : Quebrada del agua Ponce Fuerte (reported through EMSC)  
Marueño (Puerto Rico, 19 km E of epicenter) : Ponce temblando fuerte (reported through EMSC)  
Tallaboa (Puerto Rico, 12 km E of epicenter) : Fuerte (reported through EMSC)  
Palomas (Puerto Rico, 5 km W of epicenter) : Leve (reported through EMSC)  
Palomas (Puerto Rico, 5 km W of epicenter) : Muy fuerte (reported through EMSC)  
Luis M. Cintron (Puerto Rico, 130 km E of epicenter) : Lo senti fue fuerte! (reported through EMSC)  
Fajardo (Puerto Rico, 130 km E of epicenter) : Levemente (reported through EMSC)  
Fajardo (Puerto Rico, 130 km E of epicenter) : Fajardo levemente (reported through EMSC)  
Bartolo (Puerto Rico, 112 km E of epicenter) : Bed shaken. (reported through EMSC)  
Humacao (Puerto Rico, 107 km E of epicenter) : Lo sentí fuerte (reported through EMSC)  
Cataño (Puerto Rico, 90 km NE of epicenter) : No lo sentí. (reported through EMSC)  
Caguas (Puerto Rico, 87 km E of epicenter) : jamaquean duro poco tiempo caguas villas de castro (reported through EMSC)  
(Puerto Rico, 82 km E of epicenter) : Sentido en Arroyo (reported through EMSC)  
Bayamon (Puerto Rico, 78 km E of epicenter) : Mi cama se estremecio (reported through EMSC)  
G. L. Garcia (Puerto Rico, 78 km E of epicenter) : La televicion y el sofa se movieron. Cayey (reported through EMSC)  
Pájaros (Puerto Rico, 77 km NE of epicenter) : Bayamon. Vibración fuerte. Y sigue temblando todavía (reported through EMSC)  
Galateo (Puerto Rico, 73 km NE of epicenter) : I felt my bed moved (reported through EMSC)  
Caban (Puerto Rico, 59 km NW of epicenter) : Tembló (reported through EMSC)  
Aguada (Puerto Rico, 57 km NW of epicenter) : Sentido fuerte de corta duración en Aguada (reported through EMSC)  
Camuy (Puerto Rico, 54 km NW of epicenter) : Not felt in Camuy PR (reported through EMSC)  
Bajadero (Puerto Rico, 50 km N of epicenter) : Se están sintiendo fuertes los jamaqueos (reported through EMSC)  
La Playa (Puerto Rico, 49 km NW of epicenter) : Shook me in my bed. (reported through EMSC)  
Rafael Gonzalez (Puerto Rico, 48 km N of epicenter) : Movimiento leve en Hatillo (reported through EMSC)  
Santa Isabel (Puerto Rico, 45 km E of epicenter) : Un Corto jamaqueon Sta Isabel (reported through EMSC)  
Espino (Puerto Rico, 43 km NW of epicenter) : Tembló fuerte en corcovada de añasco (reported through EMSC)  
San Sebastián (Puerto Rico, 41 km NW of epicenter) : Sentido en san sebastian. (reported through EMSC)  
San Sebastián (Puerto Rico, 41 km NW of epicenter) : Tembló fuerte en Culebrinas, San Sebastián.y acaba de hacer otro más (reported through EMSC)  
San Sebastián (Puerto Rico, 41 km NW of epicenter) : WHOA... felt it in San Sebastián... (reported through EMSC)  
Mayagüez (Puerto Rico, 40 km NW of epicenter) : Sentido fuerte en mayagüez. (reported through EMSC)  
Mayagüez (Puerto Rico, 40 km NW of epicenter) : Fuerte... (reported through EMSC)  
Mayagüez (Puerto Rico, 40 km NW of epicenter) : La butaca se jamaqueó (reported through EMSC)  
Mayagüez (Puerto Rico, 40 km NW of epicenter) : Sentido en Miradero, Mayaguez (reported through EMSC)  
Quebrada (Puerto Rico, 39 km NW of epicenter) : Bo Bayaney, fuerte (reported through EMSC)  
Puerto Real (Puerto Rico, 39 km W of epicenter) : Earthquake just now! Lasted 1 second but shook my chair pretty hard. And I'm on the 2nd fl. of my solid af concrete house. All of a sudden we're getting a lot of EQ's since late last night. Hummmm... (reported through EMSC)  
Puerto Real (Puerto Rico, 39 km W of epicenter) : Sitting on my chair which started to shake for about 1 second I think it's about a 2.5 maybe 3.1. (reported through EMSC)  
Villalba (Puerto Rico, 38 km E of epicenter) : Fue como dos explosiónes profundas dentro de la tierra. La casa brinco. (reported through EMSC)  
Juncal (Puerto Rico, 36 km NW of epicenter) : Lares (reported through EMSC)  
Potala Pastillo (Puerto Rico, 35 km E of epicenter) : Leve remeneo en Potala de Juana Diaz.. (reported through EMSC)  
Hormigueros (Puerto Rico, 35 km NW of epicenter) : Sentido! (reported through EMSC)  
Utuado (Puerto Rico, 32 km NE of epicenter) : Not strong. (reported through EMSC)  
Utuado (Puerto Rico, 32 km NE of epicenter) : Se sintieron varios corridos, fuerte (reported through EMSC)  
Coto Laurel (Puerto Rico, 30 km E of epicenter) : Sentido con fuerza. Estremeció la casa. (reported through EMSC)  
Coto Laurel (Puerto Rico, 30 km E of epicenter) : Sitting on my bed in coto laurel (reported through EMSC)  
Coto Laurel (Puerto Rico, 30 km E of epicenter) : Sitting on my bed in coto laurel (reported through EMSC)  
La Parguera (Puerto Rico, 23 km W of epicenter) : Sentido (reported through EMSC)  
Ponce (Puerto Rico, 23 km E of epicenter) : Felt strong (reported through EMSC)  
Ponce (Puerto Rico, 22 km E of epicenter) : Lo senti un poco fuerte (reported through EMSC)  
Ponce (Puerto Rico, 22 km E of epicenter) : Se movió la mesa y la casa moderadamente. (reported through EMSC)  
Ponce (Puerto Rico, 22 km E of epicenter) : Fuerte. (reported through EMSC)  
Ponce (Puerto Rico, 22 km E of epicenter) : Vibración fuerte en Playa de Ponce (reported through EMSC)  
Ponce (Puerto Rico, 22 km E of epicenter) : Objects moving . Doors rattling , wife screaming... (reported through EMSC)  
Ponce (Puerto Rico, 22 km E of epicenter) : Este se sintio fuerte aqui en ponce (reported through EMSC)  
Marueño (Puerto Rico, 19 km E of epicenter) : Fuerte delicias Ponce (reported through EMSC)  
Marueño (Puerto Rico, 19 km E of epicenter) : Ponce Qda del Agua small movement side by side while eating dinner. (reported through EMSC)  
Sabana Grande (Puerto Rico, 16 km NW of epicenter) : Se sintio fuerte en Sab. Gde. Vibraron los cristsles del buffet de mi comedor que es mi alarma pars los mas de 4.0 (reported through EMSC)  
Palomas (Puerto Rico, 5 km W of epicenter) : Esta temblando fuerte y coridito (reported through EMSC)  
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