Mag. 4.2 earthquake - 32 km southwest of Ponce, Puerto Rico, on 6 Oct 7:03 pm (GMT -4) -
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Light magnitude 4.2 earthquake at 14 km depth
6 Oct 23:19 UTC: First to report: EMSC after 16 minutes.
Local time at epicenter: 6 Oct 7:03 pm (GMT -4)
Magnitude: 4.2
Depth: 14.0 km
Epicenter latitude / longitude: 17.88°N / 66.88°W
(Caribbean Sea, Puerto Rico)Nearby towns and cities:
11 km (7 mi) SSE of Guanica (pop: 9,220) --> See nearby quakes!
18 km (11 mi) S of Yauco (pop: 20,300) --> See nearby quakes!
24 km (15 mi) SSE of Sabana Grande (pop: 8,960) --> See nearby quakes!
26 km (16 mi) SW of Peñuelas (pop: 6,850) --> See nearby quakes!
28 km (18 mi) SE of San German (San Germán) (pop: 12,100) --> See nearby quakes!
31 km (19 mi) WSW of Ponce (pop: 152,600) --> See nearby quakes!
45 km (28 mi) SE of Mayagüez (pop: 78,600) --> See nearby quakes!
68 km (42 mi) SSW of Arecibo (pop: 49,300) --> See nearby quakes!
96 km (60 mi) SW of Bayamon (pop: 203,500) --> See nearby quakes!
105 km (65 mi) SW of Puerto Rico (pop: 418,100) --> See nearby quakes!
57 km (36 mi) SW of Puerto Rico Island (pop: 3,474,200) --> See nearby quakes!
11 km (7 mi) ESE of Terremoto Cay Island --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
23.7°C (75 F), humidity: 90%, wind: 6 m/s (12 kts) from E
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Clear Sky
23.7°C (75 F), humidity: 90%, wind: 6 m/s (12 kts) from EEstimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 tons of TNT) More info
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.
| Magnitude | Depth | Location | Source |
| M 4.2 | 14 km | - 10 km SSE of Guánica, Puerto Rico | EMSC |
| M 4.1 | 6 km | 6 Km SSE of Guánica, Puerto Rico | USGS |
User reports for this quake (43)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Cayey, PR , US (83.2 km ENE of epicenter) [Map] / not felt (reported through our app)
Carolina (139.4 km ENE of epicenter) [Map] / Moderate shaking (MMI V) / 1-2 s : Se movió el edificio donde trabajo y el piso. (reported through our app)
48.3 km ENE of epicenter [Map] / not felt
53.7 km NNW of epicenter [Map] / Very weak shaking (MMI II) / very short : Estaba en el cuarto y se sintió muy débil. En Bo Pozas Central de San Sebastián, P.R. (reported through our app)
Lajas (26.6 km NW of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
17.3 km N of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
loíza, pr / not felt
Ponce / Light shaking (MMI IV)
Cabo Rojo, Puerto Rico / Moderate shaking (MMI V)
Mayaguez / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : On 2nd floor in a rolly chair, chair rolled a little bit which was how i noticed it.
Frailes Yauco PR / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Noticeable floor vibration
Lajas / Moderate shaking (MMI V) / 2-5 s
Hormigueros (Puerto Rico, 39 km NW of epicenter) : Mayagüez, se sintió fuerte. (reported through EMSC)
Yauco (Puerto Rico, 17 km N of epicenter) : Sentido fuerte. (reported through EMSC)
Yauco (Puerto Rico, 17 km N of epicenter) : Fue fuerte! (reported through EMSC)
Mayagüez (Puerto Rico, 45 km NW of epicenter) : Mayagüez, leve pero sentido (reported through EMSC)
Luis M. Cintron (Puerto Rico, 139 km E of epicenter) : fue leve lo senti en mi comedor (reported through EMSC)
Lares (Puerto Rico, 46 km N of epicenter) : Fuerte.bayaney Hatillo (reported through EMSC)
Hormigueros (Puerto Rico, 39 km NW of epicenter) : Mayaguez Sur un fuerte movimiento de lado a lado (reported through EMSC)
(United States of America, 36 km NW of epicenter) : The bed was shaking strongly for over 10 seconds yet people who were standing didn't felt it. (reported through EMSC)
Cabo Rojo (Puerto Rico, 36 km NW of epicenter) : Se sintió en Cabo Rojo. (reported through EMSC)
Cabo Rojo (Puerto Rico, 36 km NW of epicenter) : Se movió la cama (reported through EMSC)
Yauco (Puerto Rico, 17 km N of epicenter) : Rapido,pero fuerte (reported through EMSC)
Yauco (Puerto Rico, 17 km N of epicenter) : Ruido y luego el temblor fuerte, fue aumentando de intencidad. Yauco barrio Barinas (reported through EMSC)
Palomas (Puerto Rico, 15 km N of epicenter) : Super fuerte (reported through EMSC)
Guánica (Puerto Rico, 11 km NW of epicenter) : Fue bastante fuerte (reported through EMSC)
Arecibo (Puerto Rico, 68 km N of epicenter) : Soy de Arecibo y se me movió el sofá y mi esposo dijo que se movió la cama (reported through EMSC)
(United States of America, 62 km NE of epicenter) : Suave pero par de segundos (reported through EMSC)
Moca (Puerto Rico, 62 km NW of epicenter) : It was not strong. (reported through EMSC)
Hato Arriba (Puerto Rico, 55 km NW of epicenter) : Moca, Puerto Rico (reported through EMSC)
Espino (Puerto Rico, 51 km NW of epicenter) : leve pero fuerte corcovada de añasco p r (reported through EMSC)
Hormigueros (Puerto Rico, 39 km NW of epicenter) : Sentido fuerte en San Germán, PR (reported through EMSC)
Cabo Rojo (Puerto Rico, 36 km NW of epicenter) : Estaba sentada en el sofá y sentí el movimiento fuerte, pero de apenas 2 a 3 segundos como mucho! (reported through EMSC)
Maricao (Puerto Rico, 35 km NW of epicenter) : Se sintió fuerte en Playa Santa, Guánica. (reported through EMSC)
Marueño (Puerto Rico, 31 km NE of epicenter) : Suave pero par de segundos (reported through EMSC)
Palmarejo (Puerto Rico, 27 km NW of epicenter) : Leve pero se movio bastante. Debe ser en guanica epicentro (reported through EMSC)
La Parguera (Puerto Rico, 21 km NW of epicenter) : Se sintio fuere en la parguera de lajas (reported through EMSC)
Liborio Negron Torres (Puerto Rico, 19 km NW of epicenter) : El movimiento se entiende que fue de más de 4 (reported through EMSC)
Lluveras (Puerto Rico, 18 km NW of epicenter) : Fuertesito (reported through EMSC)
Yauco (Puerto Rico, 17 km N of epicenter) : The ground shook, deep noise heard (reported through EMSC)
Palomas (Puerto Rico, 15 km N of epicenter) : En Yauco se sintió fuerte. (reported through EMSC)
Palomas (Puerto Rico, 15 km N of epicenter) : Fuerte (reported through EMSC)
Guánica (Puerto Rico, 11 km NW of epicenter) : Felt quite strong up and down as well as a bit horizontal. Loud noise heard. Lasted a couple of seconds 4? (reported through EMSC)
Earlier earthquakes in the same area
Mag. 4.2 earthquake - 32 km southwest of Ponce, Puerto Rico, on 6 Oct 7:03 pm (GMT -4)
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