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Terremoto forte mag. 5.1 - South Pacific Ocean, 126 km a ovest da Illapel, Provincia de Choapa, Coquimbo Region, Cile, lunedì, 4 ott 2021 07:36 (GMT -5) -

Terremoto forte mag. 5.1 - South Pacific Ocean, 126 km a ovest da Illapel, Provincia de Choapa, Coquimbo Region, Cile, lunedì,  4 ott 2021 07:36 (GMT -5) Terremoto forte mag. 5.1 - South Pacific Ocean, 126 km a ovest da Illapel, Provincia de Choapa, Coquimbo Region, Cile, lunedì,  4 ott 2021 07:36 (GMT -5)

Terremoto forte magnitudine 5.1 a 12 km di profondità

4 Oct 12:42 UTC: Primo a segnalare: INPRES dopo 6 minuti.
4 Oct 13:38: Magnitudine ricalcolata da 5.2 a 5.1. Profondità ricalcolata da 10.0 a 12.0 km (da 6.2 a 7.5 mi). Posizione dell'epicentro corretta di 17 km (10.7 mi) al O.

Dettagli del sismo

Data e ora4 Oct 2021 12:36:10 UTC -
Ora locale all'epicentrolunedì, 4 ott 2021 07:36 (GMT -5)
StatusConfermato
Magnitudine5.1
Prof.12.0 km
Epicentro latitudine / longitudine31.649°S / 72.498°W (South Pacific Ocean, Cile)
Antipode31.649°N / 107.502°E
Intensità di scuotimentoScuotimento leggero
Sentito1 rapporto
Fonte dati primariaINPRES
Luoghi vicini126 km O da Illapel (Choapa) (pop: 22,800) | Mappa | Sismi nelle vicinanze
170 km SO da Ovalle (pop: 77,100) | Mappa | Sismi nelle vicinanze
175 km NO da Hacienda La Calera (pop: 49,100) | Mappa | Sismi nelle vicinanze
175 km NNO da Valparaíso (pop: 282,400) | Mappa | Sismi nelle vicinanze
177 km NNO da Viña del Mar (pop: 294,600) | Mappa | Sismi nelle vicinanze
181 km NO da Quillota (pop: 67,800) | Mappa | Sismi nelle vicinanze
184 km NNO da Quilpué (pop: 130,300) | Mappa | Sismi nelle vicinanze
188 km NO da Villa Alemana (pop: 97,300) | Mappa | Sismi nelle vicinanze
266 km NO da Santiago del Cile (pop: 4,837,300) | Mappa | Sismi nelle vicinanze
283 km NO da Puente Alto (pop: 510,400) | Mappa | Sismi nelle vicinanze
Meteo all'epicentro al momento del sismoClear Sky 12.5°C (54 F), humidity: 85%, wind: 10 m/s (20 kts) from S
Energia sismica rilasciata stimata2.8 x 1012 joules (783 MWh, equivalent to 674 tons of TNT) | about seismic energy
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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.
Mag.Prof.UbicazioneFonte
5.112 kmChile: OCEANO PACIFICO (Argentina)INPRES
4.610 kmOFFSHORE COQUIMBO, CHILEEMSC
4.830 kmOff Coast of Central ChileGFZ
4.617 km88 Km W of Illapel, ChileUSGS
5.249 kmNear Coast of Central ChileBMKG
4.910 kmOff Coast of Central ChileUSP

Seismograms

Seismic station: Las Campanas Astronomical Observatory, Chile (LCO/IU network) | Distance from quake: 340 km / 211 mi | Show on map | Station Info
Seismic station Las Campanas Astronomical Observatory, Chile: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Salamanca / Light shaking (MMI IV) / vertical swinging (up and down) / 10-15 s : Mucho sonido antes del temblor (reported through our app)  

Aftershocks

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So far, no aftershocks have been registered.

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