Sismo leggero mag. 4.4 - South Pacific Ocean, 58 km a ovest da Valparaíso, Provincia de Valparaiso, Cile, venerdì, 19 febbraio 2021 -

Sismo leggero mag. 4.4 - South Pacific Ocean, 58 km a ovest da Valparaíso, Provincia de Valparaiso, Cile, venerdì, 19 febbraio 2021

Sismo leggero magnitudine 4.4 at 42 km depth

19 Feb 11:05 UTC: Primo a segnalare: EMSC dopo 16 minuti.
19 Feb 11:10: Magnitudine ricalcolata da 4.5 a 4.4. Profondità ricalcolata da 28.0 a 20.0 km (da 17.4 a 12.4 mi). Posizione dell'epicentro corretta di 8.7 km (5.4 mi) al WNW.
19 Feb 11:12: Ora utilizzando nuova fonte di dati: GUG (U. Chile)
19 Feb 11:42: Profondità ricalcolata da 42.6 a 41.6 km (da 26 a 26 mi). Posizione dell'epicentro corretta di 5.2 km (3.2 mi) al O.
Update Fri, 19 Feb 2021, 11:09
Moderate 4.5 quake hits near Valparaiso, Provincia de Valparaíso, Chile
4.5 quake 19 Feb 5:48 am (GMT -5)
4.5 quake 19 Feb 5:48 am (GMT -5)
An earthquake of magnitude 4.5 occurred early morning on Friday 19 February 2021 at 5:48 am local time near Valparaiso, Provincia de Valparaíso, Chile, as reported by the European-Mediterranean Seismological Centre (EMSC).
According to preliminary data, the quake was located at a shallow depth of 28 km. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. 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.
Our monitoring service identified a second report from the German Research Centre for Geosciences (GFZ) which listed the quake at magnitude 4.5 as well.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Valparaiso (pop. 282,400) located 55 km from the epicenter.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Viña del Mar (pop. 294,600) located 63 km from the epicenter, Quilpué (pop. 130,300) 73 km away, Villa Alemana (pop. 97,300) 79 km away, San Antonio (pop. 85,700) 81 km away, Limache (pop. 35,900) 89 km away, Quillota (pop. 67,800) 93 km away, and Hacienda La Calera (pop. 49,100) 99 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.
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Earthquake data:

Data & ora: 19 Feb 2021 10:48:37 UTC -
Ora locale a epicentro: venerdì, 19 feb 2021 05:48 (GMT -5)
Magnitudine: 4.4
Profondità: 41.6 km
Epicentro latitudine / longitudine: 33.078°S / 72.25°W (South Pacific Ocean, Cile)
Vulcano più vicino: Tupungatito (231 km / 144 mi)
Nearby towns and cities:
58 km O da Valparaíso (pop: 282,400) --> Vedi sismi vicini
65 km O da Viña del Mar (pop: 294,600) --> Vedi sismi vicini
75 km O da Quilpué (pop: 130,300) --> Vedi sismi vicini
80 km NO da Cartagena (San Antonio) (pop: 16,900) --> Vedi sismi vicini
82 km O da Villa Alemana (pop: 97,300) --> Vedi sismi vicini
83 km NO da San Antonio (pop: 85,700) --> Vedi sismi vicini
92 km O da Limache (Marga Marga) (pop: 35,900) --> Vedi sismi vicini
96 km OSO da Quillota (pop: 67,800) --> Vedi sismi vicini
155 km ONO da Santiago del Cile (pop: 4,837,300) --> Vedi sismi vicini
167 km ONO da Puente Alto (pop: 510,400) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Clear Sky 14.2°C (58 F), humidity: 100%, wind: 2 m/s (3 kts) from SSE
Fonte dati primaria: GUG (U. Chile)
Stima dell'energia sismica liberata: 2.5 x 1011 joules (69.8 megawatt hours, equivalent to 60 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
4.442 km59 Km Al O De Valparaíso, ChileGUG (U. Chile)
4.415 kmOff Coast of Central ChileGFZ
4.420 kmOFFSHORE VALPARAISO, CHILEEMSC
4.425 km60 Km W of Valparaíso, ChileUSGS

User reports for this quake (4)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Send your own user report!
152.1 km ESE of epicenter [Map] / Weak shaking (MMI III) / single lateral shake / 1-2 s (reported through our app)
150.6 km ESE of epicenter [Map] / Light shaking (MMI IV) / single lateral shake (reported through our app)
151.1 km ESE of epicenter [Map] / not felt : No lo sentí (reported through our app)  
In Santiago de Chile (Lobarnechea) / Weak shaking (MMI III) / 5-10 s
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