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Sismo debile mag. 2.8 - South Pacific Ocean, 73 km a sud ovest da San Antonio, Region de Valparaiso, Cile, mercoledì, 21 apr. 2021 10:30

Questo terremoto era probabilmente un aftershock del Sismo M 5.1: South Pacific Ocean, 77 km a sud ovest da San Antonio, Region de Valparaiso, Cile, 19 Apr 9:05 am (GMT -4) che si è verificato 1 giorno 21 ore prima.
Sismo debile mag. 2.8 - South Pacific Ocean, 73 km a sud ovest da San Antonio, Region de Valparaiso, Cile, mercoledì, 21 apr. 2021 10:30 Sismo debile mag. 2.8 - South Pacific Ocean, 73 km a sud ovest da San Antonio, Region de Valparaiso, Cile, mercoledì, 21 apr. 2021 10:30

Sismo debile magnitudine 2.8 a 23 km di profondità

21 Apr 10:43 UTC: Primo a segnalare: EMSC dopo 13 minuti.
21 Apr 10:44: Ora utilizzando nuova fonte di dati: GUG (U. Chile)

Dettagli del sismo

Data e ora21 Apr 2021 10:30:26 UTC
Ora locale all'epicentro
Prof.23.0 km
Epicentro latitudine / longitudine34.011°S / 72.222°W (South Pacific Ocean, Cile)
Antipode34.011°N / 107.778°E
Intensità di scuotimentoScuotimento molto debole
Sentito0 rapporti
Fonte dati primariaGUG (U. Chile)
Vulcano più vicinoPalomo (189 km / 117 mi)
Luoghi vicini73 km SO da San Antonio (pop: 85,700) | Mappa | Sismi nelle vicinanze
76 km SO da Cartagena (San Antonio) (pop: 16,900) | Mappa | Sismi nelle vicinanze
100 km OSO da Melipilla (pop: 63,100) | Mappa | Sismi nelle vicinanze
105 km NO da Santa Cruz (Colchagua) (pop: 33,300) | Mappa | Sismi nelle vicinanze
136 km NO da Teno (Curicó) (pop: 6,860) | Mappa | Sismi nelle vicinanze
158 km OSO da Santiago del Cile (pop: 4,837,300) | Mappa | Sismi nelle vicinanze
Energia sismica rilasciata stimata1 x 109 joules (278 kWh, equivalent to 0.239 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.
2.823 km37 Km Al O De Navidad, ChileGUG (U. Chile)


Seismic station: Pichilemu (BO03/C1 network) | Distance from quake: 59 km / 37 mi | Show on map | Station Info
Seismic station Pichilemu: 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

At magnitude 2.8, this quake might have been felt very close to the epicenter and under calm conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Earlier earthquakes in the same area

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