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Minor mag. 3.9 earthquake - 4km S of Guanica, Puerto Rico on Wednesday, 15 January 2020

This quake was likely an aftershock of the M 6.3 quake: Puerto Rico Region on Tue, 7 Jan 08h24, which had occurred 8 days earlier.
Minor mag. 3.9 earthquake  - 4km S of Guanica, Puerto Rico on Wednesday, 15 January 2020
Jan 15 20:18: Magnitude recalculated from 4.4 to 3.9.
Hypocenter depth recalculated from 10.0 to 4.0 km.
Date & time: Wednesday, 15 January 2020 19:49 UTC
Local time at epicenter: 2020-01-15 15:49:47 -04:00
Magnitude: 3.9
Depth: 4.0 km
Epicenter latitude / longitude: 17.931°N / 66.9741°W (Porto Rico)
Nearest volcano: Saba (392 km)
Primary data source: USGS
Estimated released energy: 4.5*10^10 J (12.4 MWh / 10.7 tons of TNT) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience with us and submit a short "I felt it" report.
You can use your GPS or device location as well to show where you were during the earthquake.
- Merci!.

Data for same earthquake as reported from other agencies
HeureMag. / DepthLocationSource
Wed, 15 Jan 2020
Wed, 15 Jan 19:49 UTCM 4.4 / 10 kmPuerto Rico RegionEMSC

"I felt it" reports:
Utuado in the mountain (45.7 km NE from epicenter) [Map] / MMI III (Weak shaking): Felt it as I just sat down and I knew there would be another one .I've been keeping track and something ain't right. Exspeially the times it happens and more at night it's almost the same times. Ummm. (via app)
(16.6 km N from epicenter) [Map] / MMI III (Weak shaking)
Utuado/Ciales / MMI III (Weak shaking)
(98.7 km ENE from epicenter) [Map] / MMI IV (Light shaking)(via app)
Bayamón (99.1 km ENE from epicenter) [Map] / not felt(via app)
(41.9 km N from epicenter) [Map] / MMI IV (Light shaking)(via app)
Cagüitas (Puerto Rico) (93 km NE from epicenter)(no details): Aguas buenas (via EMSC)
Lares (Puerto Rico) (40 km N from epicenter)(no details): Se sintió en Lares. No se cayó nada. (via EMSC)
Boquerón (Puerto Rico) (28 km NW from epicenter)(no details): Very mild tremor, 2, 3 seconds. (via EMSC)
Caín Alto (Puerto Rico) (22 km NW from epicenter)(no details): En San German fuertesito (via EMSC)
San Juan Antiguo (Puerto Rico) (104 km NE from epicenter)(no details): Slight tremor. ISLA GRANDE AIRPORT (via EMSC)
Gobernador Pinero (Puerto Rico) (100 km NE from epicenter)(no details): Medio fuerteSan Juan (via EMSC)
Aguadilla (Puerto Rico) (60 km NW from epicenter)(no details): Light and short in Aguada. (via EMSC)
Victoria (Puerto Rico) (59 km NW from epicenter)(no details): Aguadilla res. Jose Aponte, estaba parada sin moverme ... Sentí el piso vibrar (via EMSC)
Voladoras (Puerto Rico) (52 km NW from epicenter)(no details): Very quick, strong (via EMSC)
Pozas (Puerto Rico) (46 km NW from epicenter)(no details): Sentido,leve en San Sebastián. (via EMSC)
Mayagüez (Puerto Rico) (39 km NW from epicenter)(no details): Un jamaqueo leve en el sofá (via EMSC)
Naranjales (Puerto Rico) (32 km NW from epicenter)(no details): Fuerte y de corta duración (via EMSC)
Miradero (Puerto Rico) (32 km NW from epicenter)(no details): Preocupante.. (via EMSC)

 

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