Sismo leggero mag. 4.2 - South Pacific Ocean, 37 km a nord ovest da La Ligua, Petorca Province, Valparaiso, Cile, sábbato, 30 gennaio 2021 -

Sismo leggero mag. 4.2 - South Pacific Ocean, 37 km a nord ovest da La Ligua, Petorca Province, Valparaiso, Cile, sábbato, 30 gennaio 2021

Sismo leggero magnitudine 4.2 at 58 km depth

30 Jan 01:10 UTC: Primo a segnalare: EMSC dopo 18 minuti.
30 Jan 01:10: Ora utilizzando nuova fonte di dati: GUG (U. Chile)
Update Sat, 30 Jan 2021, 01:15
Moderate 4.2 quake hits near La Ligua, Petorca Province, Valparaiso, Chile
4.2 quake 29 Jan 9:51 pm (GMT -3)
4.2 quake 29 Jan 9:51 pm (GMT -3)
An earthquake of magnitude 4.2 occurred in the evening on Friday 29 January 2021 at 9:51 pm local time near La Ligua, Petorca Province, Valparaiso, Chile, as reported by the National Seismological Center of the University of Chile.
According to preliminary data, the quake was located at a moderately shallow depth of 57.9 km. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 4.2 earthquake as well.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include La Ligua (pop. 24,900) located 37 km from the epicenter, Hacienda La Calera (pop. 49,100) 63 km away, Viña del Mar (pop. 294,600) 80 km away, Valparaiso (pop. 282,400) 81 km away, Quilpué (pop. 130,300) 84 km away, Illapel (pop. 22,800) 84 km away, Villa Alemana (pop. 97,300) 84 km away, and San Felipe (pop. 59,300) 94 km away.
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Earthquake data:

Data & ora: 30 Jan 2021 00:51:39 UTC -
Ora locale a epicentro: Friday, 29 Jan 2021 21:51 (GMT -3)
Magnitudine: 4.2
Profondità: 57.9 km
Epicentro latitudine / longitudine: 32.305°S / 71.579°W (South Pacific Ocean, Cile)
Vulcano più vicino: Tupungatito (206 km / 128 mi)
Nearby towns and cities:
37 km ONO da La Ligua (Petorca) (pop: 24,900) --> Vedi sismi vicini
63 km NNO da Hacienda La Calera (pop: 49,100) --> Vedi sismi vicini
71 km NNO da Quillota (pop: 67,800) --> Vedi sismi vicini
80 km N da Viña del Mar (pop: 294,600) --> Vedi sismi vicini
81 km N da Valparaíso (pop: 282,400) --> Vedi sismi vicini
84 km N da Quilpue (pop: 130,300) --> Vedi sismi vicini
84 km NNO da Villa Alemana (pop: 97,300) --> Vedi sismi vicini
94 km ONO da San Felipe (pop: 59,300) --> Vedi sismi vicini
155 km NO da Santiago del Cile (pop: 4,837,300) --> Vedi sismi vicini
173 km NO da Puente Alto (pop: 510,400) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Broken Clouds 16.6°C (62 F), humidity: 93%, wind: 1 m/s (2 kts) from SSE
Fonte dati primaria: GUG (U. Chile)
Stima dell'energia sismica liberata: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 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.
MagnitudineProfonditàUbicazioneFonte
4.258 km36 Km Al NO De La Ligua, ChileGUG (U. Chile)
4.220 kmOFFSHORE VALPARAISO, CHILEEMSC
4.261 km49 Km WNW of La Ligua, ChileUSGS

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
156.5 km SE of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
160.7 km SSE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
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Earlier earthquakes in the same area since 1900


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