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Light mag. 4.5 earthquake - Puerto Rico Region on Tuesday, 29 September 2020

Light mag. 4.5 earthquake  - Puerto Rico Region on Tuesday, 29 September 2020
29 Sep 13:37 UTC: First to report: EMSC after 7 minutes.
29 Sep 13:45: Magnitude recalculated from 4.0 to 4.5. Hypocenter depth recalculated from 95.0 to 10.0 km (from 59 to 6.2 mi). Epicenter location corrected by 198 km (123 mi) towards ESE.
29 Sep 13:57: Epicenter location corrected by 2.1 km (1.3 mi) towards E.
29 Sep 14:17: Hypocenter depth recalculated from 10.0 to 11.0 km (from 6.2 to 6.8 mi). Epicenter location corrected by 11.6 km (7.2 mi) towards NNW.
Date & time: Tuesday, 29 September 2020 13:29 UTC
Local time at epicenter: 29 Sep 9:29 am (GMT -4)
Magnitude: 4.5
Depth: 11.0 km
Epicenter latitude / longitude: 17.95°N / 67.07°W (Puerto Rico)
Nearby towns and cities:
4 km (2 mi) SW of La Parguera (pop: 1,100)
10 km (6 mi) S of Palmarejo (pop: 1,200)
11 km (7 mi) SE of Betances (pop: 800)
109 km (68 mi) SW of Bayamón (pop: 203,500)
117 km (73 mi) SW of San Juan (pop: 418,100)
127 km (79 mi) SW of Carolina (pop: 170,400)
Weather at epicenter at time of quake:
Scattered Clouds 28.5°C (83 F), humidity: 88%, wind: 3 m/s (6 kts) from E
Primary data source: EMSC
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
29 Sep 9:29 am (GMT -4) (29 Sep 13:29:59 UTC)M 4.5 / 11 kmPuerto Rico RegionEMSC
Tue, 29 Sep 13:29 UTCM 4.5 / 10 km13 Km S of La Parguera, Puerto RicoUSGS
29 Sep 9:29 am (GMT -4) (29 Sep 13:29:59 UTC)M 3.9 / 11 km3 Km SW of La Parguera, Puerto RicoUSGS

User reports for this quake (34)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
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Mark as helpful or interesting.
Send your own user report!
Mayaguez (29.9 km N of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s (reported through our app)
66.9 km E of epicenter [Map] / not felt
Cayey, PR , US (97.8 km E of epicenter) [Map] / not felt (reported through our app)
Lajas bo Paris (46.3 km WNW of epicenter) [Map] / Light shaking (MMI IV)
Frailes Yauco PR / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Cayey / Moderate shaking (MMI V) / 5-10 s : Lo sentí leve, pero es preocupante
pole ohea cabo rojo / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : heard the rumble and felt the ground shake for a couple of seconds and heard concrete crack
Cabo Rojo, Puerto Rico / Weak shaking (MMI III)
Hatillo / Light shaking (MMI IV) / 2-5 s
Cabo Rojo, Puerto Rico / Light shaking (MMI IV)
Mayaguez pr / Light shaking (MMI IV)
Lajas (Puerto Rico, 11 km N of epicenter) : Everything shaked heavily. | One user found this interesting. (reported through EMSC)
Cayey (Puerto Rico, 97 km E of epicenter) : Puertas de la casa vibraron (reported through EMSC)
Tallaboa (Puerto Rico, 38 km E of epicenter) : Leve (reported through EMSC)
Trujillo Alto (Puerto Rico, 121 km E of epicenter) : A las personas que escriben aquí, si no sintieron nada del temblor entonces no ponga su comentario. No ayuda en nada a los investigadores que manejan este app (reported through EMSC)
Cataño (Puerto Rico, 114 km NE of epicenter) : Se movió mi auto de lado a lado (reported through EMSC)
Pájaros (Puerto Rico, 101 km NE of epicenter) : Nada en Bayamon. Me sorprende por la magnitud que no fue notable aquí. (reported through EMSC)
Manatí (Puerto Rico, 81 km NE of epicenter) : Nada en Manatí (reported through EMSC)
Caban (Puerto Rico, 55 km NW of epicenter) : Aguadilla PR (reported through EMSC)
Moca (Puerto Rico, 49 km NW of epicenter) : Felt side to side (reported through EMSC)
Ponce (Puerto Rico, 48 km E of epicenter) : Oi (reported through EMSC)
Las Marias (Puerto Rico, 39 km NW of epicenter) : Sofa shaking, TV moving (reported through EMSC)
Mayagüez (Puerto Rico, 29 km NW of epicenter) : Mayagüez, P.R. Se sintióSí, fuertecito (reported through EMSC)
Mayagüez (Puerto Rico, 29 km NW of epicenter) : Suave y rápido (reported through EMSC)
Mayagüez (Puerto Rico, 29 km NW of epicenter) : Se sintió en Sultana, Mayaguez. (reported through EMSC)
Mayagüez (Puerto Rico, 29 km NW of epicenter) : Lo senti pero no fue muy fuerte (reported through EMSC)
Hormigueros (Puerto Rico, 22 km NW of epicenter) : Movimiento leve que movió mi cama largo y suave lo confirmé por el agua de mi pecera. (reported through EMSC)
Puerto Real (Puerto Rico, 19 km NW of epicenter) : Everything g shook (reported through EMSC)
Sabana Grande (Puerto Rico, 18 km NE of epicenter) : Me despertó (reported through EMSC)
Guánica (Puerto Rico, 17 km E of epicenter) : Si lo senti (reported through EMSC)
Cabo Rojo (Puerto Rico, 17 km NW of epicenter) : Se sentía como un train fuerte (reported through EMSC)
Liborio Negron Torres (Puerto Rico, 17 km NE of epicenter) : Vino con ruido bien sentido. Como tren pasando. Y luego las ventanas comenzaron a vibrar. Percibido como que queria seguir vibrando. Rayo Plata Lajas PR (reported through EMSC)
Lajas (Puerto Rico, 11 km N of epicenter) : Todo se movio horriblemente. Lajas (reported through EMSC)
Betances (Puerto Rico, 11 km NW of epicenter) : Strong short movement but with sound of crushing earth (reported through EMSC)

Earlier earthquakes in the same area since 1900

Light mag. 4.5 earthquake - Puerto Rico Region on Tuesday, 29 September 2020

Map of earlier quakes


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