Moderate mag. 4.1 earthquake - 38 km west of Ponce, Puerto Rico, on Saturday, August 29, 2020 at 16:33 (GMT) -

Moderate mag. 4.1 earthquake - 38 km west of Ponce, Puerto Rico, on Saturday, August 29, 2020 at 16:33 (GMT)

Moderate magnitude 4.1 earthquake at 7 km depth

29 Aug 16:42 UTC: First to report: USGS after 9 minutes.
Aug 29 16:49: Magnitude recalculated from 4.5 to 4.3.
Hypocenter depth recalculated from 6.9 to 10.0 km.
Aug 29 17:02: Magnitude recalculated from 4.3 to 4.1.
Hypocenter depth recalculated from 10.0 to 7.0 km.
Date & time: Aug 29, 2020 16:33:45 UTC -
Magnitude: 4.1
Depth: 7.0 km
Epicenter latitude / longitude: 17.9626°N / 66.9743°W (Ensenada Barrio, Guanica, Puerto Rico)
Antipode: 17.963°S / 113.026°E
Nearby towns and cities:
7 km (4 mi) WSW of Fuig (Guánica) (pop: 1,200) --> See nearby quakes!
7 km (4 mi) W of Guanica (Guánica) (pop: 9,220) --> See nearby quakes!
13 km (8 mi) S of Sabana Grande (pop: 8,960) --> See nearby quakes!
13 km (8 mi) SE 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) WSW of Yauco (pop: 20,300) --> See nearby quakes!
20 km (13 mi) WSW of Guayanilla (pop: 5,210) --> See nearby quakes!
23 km (14 mi) SE of Cabo Rojo (pop: 10,800) --> See nearby quakes!
24 km (15 mi) S of Maricao (pop: 1,170) --> See nearby quakes!
25 km (16 mi) SE of Hormigueros (pop: 11,900) --> See nearby quakes!
29 km (18 mi) WSW of Penuelas (Peñuelas) (pop: 6,850) --> See nearby quakes!
32 km (20 mi) SE of Mayaguez (Mayagüez) (pop: 78,600) --> See nearby quakes!
99 km (62 mi) WSW of Bayamon (Bayamón) (pop: 203,500) --> See nearby quakes!
108 km (67 mi) WSW of San Juan (pop: 418,100) --> 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.
Mag.DepthLocationSource
4.17 km6 km WSW of Fuig, Puerto RicoUSGS
4.310 kmPuerto Rico RegionEMSC

User reports for this quake (46)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Cayey, PR (90.5 km ENE of epicenter) [Map] / not felt : Not Felt. (reported through our app)  
Guayanilla (20.5 km ENE of epicenter) [Map] / Very weak shaking (MMI II) / 1-2 s : Siguio vibrandoel piso (reported through our app)  
Boqueron, Cabo Rojo (19.6 km WNW of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating
Frailes Yauco / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Felt strong and lasted several seconds. The chandelier was moving side to side slightly. The chair was vibrating and the floor also. It felt like there was a slight sideways slipping movement. | 2 users found this interesting.  
Frailes Yauco / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Lasted several seconds and felt strong. Felt strong vibration through the chair and floor. There was a kind of sideways slipping movement.  
Sabana Grande PR / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
Lajas / Moderate shaking (MMI V) / 5-10 s
Orocovis / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Estaba Recostada Cuando Sentí Un Leve Movimiento Aquí En Orocovis  
Lajas (Puerto Rico, 14 km NW of epicenter) : Fuerte (reported through EMSC)  
Carolina (Puerto Rico, 118 km NE of epicenter) : Sju airport (reported through EMSC)  
Pájaros (Puerto Rico, 93 km NE of epicenter) : Se muvio mi cesa toda (reported through EMSC)  
Pájaros (Puerto Rico, 93 km NE of epicenter) : Bayamon. More of a sway, felt very dizzy (reported through EMSC)  
Corozal (Puerto Rico, 82 km NE of epicenter) : Leve movimiento (reported through EMSC)  
Manatí (Puerto Rico, 74 km NE of epicenter) : Nada en Manati (reported through EMSC)  
Sabana Hoyos (Puerto Rico, 66 km NE of epicenter) : Se sintio una vibracion en mi mesa de comedor. (reported through EMSC)  
Arecibo (Puerto Rico, 64 km NE of epicenter) : Remeson fuerte en arecibo (reported through EMSC)  
Hato Arriba (Puerto Rico, 45 km NW of epicenter) : Muy fuerte (reported through EMSC)  
San Sebastián (Puerto Rico, 43 km NW of epicenter) : Sentido en Barrio Culebrinas de San Sebastián, se sintió regular andaba sentada en la cama cuando ocurrió (reported through EMSC)  
San Sebastián (Puerto Rico, 43 km NW of epicenter) : Tembló ahora mismo en Culebrinas San Sebastián.Estaba sentada en el mueble de mi sala y sentí un movimiento brusco y leve por varios segundos puede que 6 o 9 (reported through EMSC)  
Las Marias (Puerto Rico, 42 km NW of epicenter) : fuerte remeson corcovada (reported through EMSC)  
Ponce (Puerto Rico, 38 km E of epicenter) : Ponce near Ave Las Americas- was inside my parked car ,it was moving side by side lightly. (reported through EMSC)  
Marueño (Puerto Rico, 36 km E of epicenter) : Se movió la cama y puertas de closet delicias Ponce (reported through EMSC)  
Mayagüez (Puerto Rico, 33 km NW of epicenter) : It was a quick and mild shake. (reported through EMSC)  
Hormigueros (Puerto Rico, 26 km NW of epicenter) : Leve movimiento del sofá (reported through EMSC)  
Hormigueros (Puerto Rico, 26 km NW of epicenter) : Movimiento leve en hormigueros (reported through EMSC)  
Hormigueros (Puerto Rico, 26 km NW of epicenter) : Fuerte sacudida en Urb Sultana Mayaguez (reported through EMSC)  
Puerto Real (Puerto Rico, 26 km NW of epicenter) : I was on my 2nd floor sitting up in bed and the bed shook 3 times (reported through EMSC)  
Yauco (Puerto Rico, 17 km NE of epicenter) : Fuerte pero corto (reported through EMSC)  
Yauco (Puerto Rico, 17 km NE of epicenter) : Sentido en yauco plaza, la guagua se movió (reported through EMSC)  
Yauco (Puerto Rico, 17 km NE of epicenter) : En Almacigo Bajo sentido fuertecito y estremeció la casa de un lado a otro. (reported through EMSC)  
San Germán (Puerto Rico, 16 km NW of epicenter) : Fuerte (reported through EMSC)  
San Germán (Puerto Rico, 16 km NW of epicenter) : Se sintió fuerte en San Germán (reported through EMSC)  
San Germán (Puerto Rico, 16 km NW of epicenter) : Se movio todo el apt. (reported through EMSC)  
San Germán (Puerto Rico, 16 km NW of epicenter) : San Germán, PR. Fuertecito, se movio toda la casa. (reported through EMSC)  
Sabana Grande (Puerto Rico, 14 km N of epicenter) : Estaba durmiendo y me despertó. (reported through EMSC)  
Sabana Grande (Puerto Rico, 14 km N of epicenter) : 12:39PM en Sabana Grande. Fuerte!!! (reported through EMSC)  
Sabana Grande (Puerto Rico, 14 km N of epicenter) : Shacky shacky,sab.gde. moving my house side to side, very suztosss, :((. (reported through EMSC)  
Sabana Grande (Puerto Rico, 14 km N of epicenter) : Se meneó el piso (reported through EMSC)  
Lajas (Puerto Rico, 14 km NW of epicenter) : Senti 1 en Lajas bastante duro a las 12:34 pm (reported through EMSC)  
Palomas (Puerto Rico, 13 km NE of epicenter) : Leve de 1 segundo (reported through EMSC)  
Palomas (Puerto Rico, 13 km NE of epicenter) : Sentido fuerte en Yauco (reported through EMSC)  
Palomas (Puerto Rico, 13 km NE of epicenter) : Fuerte en Yauco. (reported through EMSC)  
Liborio Negron Torres (Puerto Rico, 11 km N of epicenter) : Felt it in Sabana Grande Puerto Rico (reported through EMSC)  
Liborio Negron Torres (Puerto Rico, 11 km N of epicenter) : Prolongado y con un fuerte jamaqueon en mi casa. Ruido feo. Rayo Plata Lajas. P.R. (reported through EMSC)  
Guánica (Puerto Rico, 8 km E of epicenter) : Felt and rumbling heard on Playa Santa (reported through EMSC)  
La Parguera (Puerto Rico, 8 km W of epicenter) : Se estremeció todo con fuerza. (reported through EMSC)  
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