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Light mag. 4.0 earthquake - 14km 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.
Light mag. 4.0 earthquake  - 14km S of Guanica, Puerto Rico on Wednesday, 15 January 2020
Jan 15 20:20: Magnitude recalculated from 4.1 to 4.2.
Jan 15 20:42: Magnitude recalculated from 4.2 to 4.0.
Hypocenter depth recalculated from 10.0 to 8.0 km.
Date & time: Wednesday, 15 January 2020 20:00 UTC
Local time at epicenter: 2020-01-15 16:00:40 -04:00
Magnitude: 4.0
Depth: 8.0 km
Epicenter latitude / longitude: 17.9581°N / 66.9446°W (Puerto Rico)
Nearest volcano: Saba (392 km)
Primary data source: USGS
Estimated released energy: 6.3*10^10 J (17.5 MWh / 15.1 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.
- thank you.

Data for same earthquake as reported from other agencies
TimeMag. / DepthLocationSource
Wed, 15 Jan 2020
Wed, 15 Jan 20:00 UTCM 4.2 / 10 kmPuerto Rico RegionEMSC

"I felt it" reports:
bayamon PR / MMI II (Very weak shaking): anxiety
Utuado in the mountain (41.4 km NE from epicenter) [Map] / MMI V (Moderate shaking): House moved pretty good and I felt about 10 mins before this one came and the house moved a little hard then it atoped (via app)
Ponce puerto rico / not felt
Bayamón (94.9 km ENE from epicenter) [Map] / not felt(via app)
Santurce (Puerto Rico) (112 km NE from epicenter)(no details): Muy fuerte (via EMSC)
Guaraguao Abajo (Puerto Rico) (100 km NE from epicenter)(no details): Lo senti levemente. Estaba sentado, no vi objetos moverse dentro de la casa. (via EMSC)
Caonillas (Puerto Rico) (77 km NE from epicenter)(no details): Lo sentí pero leve (via EMSC)
Descalabrado (Puerto Rico) (56 km E from epicenter)(no details): Slight movement (via EMSC)
Ponce (Puerto Rico) (38 km NE from epicenter)(no details): No lo senti (via EMSC)
Santurce (Puerto Rico) (113 km NE from epicenter)(no details): No tan fuerte, pero lo sentí...!!! (via EMSC)


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