Terremoto moderato mag. 4.7 - 36 km a ovest da Illapel, Provincia de Choapa, Coquimbo Region, Cile, martedí, 23 febbraio 2021 -

Terremoto moderato mag. 4.7 - 36 km a ovest da Illapel, Provincia de Choapa, Coquimbo Region, Cile, martedí, 23 febbraio 2021

Terremoto moderato magnitudine 4.7 at 43 km depth

23 Feb 06:26 UTC: Primo a segnalare: EMSC dopo 8 minuti.
23 Feb 06:34: Ora utilizzando nuova fonte di dati: GUG (U. Chile)
23 Feb 06:40: Profondità ricalcolata da 43.1 a 42.9 km (da 27 a 27 mi).
Update Tue, 23 Feb 2021, 06:30
Moderate earthquake of magnitude 4.9 just reported 35 km southwest of Illapel, Chile
4.9 quake 23 Feb 3:18 am (GMT -3)
4.9 quake 23 Feb 3:18 am (GMT -3)
An earthquake of magnitude 4.9 occurred early morning on Tuesday 23 February 2021 at 3:18 am local time near Illapel, Provincia de Choapa, Coquimbo Region, Chile, as reported by the European-Mediterranean Seismological Centre (EMSC).
According to preliminary data, the quake was located at a moderately shallow depth of 40 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.
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 Illapel (pop. 22,800) located 35 km from the epicenter, Salamanca (pop. 13,300) 52 km away, and La Ligua (pop. 24,900) 82 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: 23 Feb 2021 06:18:49 UTC -
Ora locale a epicentro: Tuesday, 23 Feb 2021 03:18 (GMT -3)
Magnitudine: 4.7
Profondità: 42.9 km
Epicentro latitudine / longitudine: 31.745°S / 71.524°W (Provincia de Choapa, Coquimbo Region, Cile)
Vulcano più vicino: Tupungatito (244 km / 152 mi)
Nearby towns and cities:
36 km OSO da Illapel (Choapa) (pop: 22,800) --> Vedi sismi vicini
53 km O da Salamanca (Choapa) (pop: 13,300) --> Vedi sismi vicini
83 km NNO da La Ligua (Petorca, Valparaíso) (pop: 24,900) --> Vedi sismi vicini
131 km SSO da Ovalle (pop: 77,100) --> Vedi sismi vicini
142 km N da Viña del Mar (Valparaíso) (pop: 294,600) --> Vedi sismi vicini
144 km N da Valparaíso (pop: 282,400) --> Vedi sismi vicini
206 km S da La Serena (pop: 154,500) --> Vedi sismi vicini
206 km S da La Serena (pop: 154,500) --> Vedi sismi vicini
207 km NNO da Santiago del Cile (Santiago Metropolitan) (pop: 4,837,300) --> Vedi sismi vicini
226 km NNO da Puente Alto (Santiago Metropolitan) (pop: 510,400) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Clear Sky 14.8°C (59 F), humidity: 86%, wind: 2 m/s (3 kts) from S
Fonte dati primaria: GUG (U. Chile)
Stima dell'energia sismica liberata: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 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.
4.743 km19 Km Al N De Los Vilos, ChileGUG (U. Chile)
4.746 kmNear Coast of Central ChileGFZ
4.640 km38 Km WSW of Illapel, ChileUSGS
4.810 kmNear Coast of Central ChileUSP

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
202.6 km SSE of epicenter [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 5-10 s
Hijuelas, Valparaiso (136.9 km SSE of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s (reported through our app)
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Earlier earthquakes in the same area since 1900

Map of earlier quakes

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