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Terremoto moderato mag. 5.0 - Coral Sea, 86 km a sud-est da Santo, Luganville, Sanma Province, Vanuatu, martedì, 21 dic 2021 12:34 (GMT +11) -

Terremoto moderato mag. 5.0 - Coral Sea, 86 km a sud-est da Santo, Luganville, Sanma Province, Vanuatu, martedì, 21 dic 2021 12:34 (GMT +11) Terremoto moderato mag. 5.0 - Coral Sea, 86 km a sud-est da Santo, Luganville, Sanma Province, Vanuatu, martedì, 21 dic 2021 12:34 (GMT +11)

Terremoto moderato magnitudine 5.0 a 159 km di profondità

21 Dec 01:48 UTC: Primo a segnalare: RaspberryShake dopo 14 minuti.
21 Dec 01:52: Magnitudine ricalcolata da 5.3 a 5.2. Profondità ricalcolata da 200.9 a 191.9 km (da 125 a 119 mi). Posizione dell'epicentro corretta di 8.2 km (5.1 mi) al SSW.
21 Dec 02:22: Ora utilizzando nuova fonte di dati: USGS
22 Dec 02:12: Magnitudine ricalcolata da 5.2 a 5.0. Profondità ricalcolata da 161.7 a 159.2 km (da 100 a 99 mi). Posizione dell'epicentro corretta di 8.7 km (5.4 mi) al ENE.

Dettagli del sismo

Data e ora21 Dec 2021 01:34:30 UTC -
Ora locale all'epicentromartedì, 21 dic 2021 12:34 (GMT +11)
Prof.159.2 km
Epicentro latitudine / longitudine15.8846°S / 167.8683°E (Coral Sea, Vanuatu)
Antipode15.885°N / 12.132°W
Intensità di scuotimentoScuotimento leggero
Sentito1 rapporto
Fonte dati primariaUSGS (United States Geological Survey)
Vulcano più vicinoAmbrym (49 km / 30 mi)
Luoghi vicini54 km ENE da Lakatoro (pop: 705) | Mappa | Sismi nelle vicinanze
86 km ESE da Santo (Luganville) (pop: 13,400) | Mappa | Sismi nelle vicinanze
127 km SE da Port-Olry (pop: 1,950) | Mappa | Sismi nelle vicinanze
211 km NNO da Port Vila (pop: 35,900) | Mappa | Sismi nelle vicinanze
226 km S da Sola (pop: 1,170) | Mappa | Sismi nelle vicinanze
37 km OSO da Pentecost Island (pop: 16,800) | Mappa | Sismi nelle vicinanze
58 km NE da Malakula Island (pop: 22,900) | Mappa | Sismi nelle vicinanze
Meteo all'epicentro al momento del sismoScattered Clouds 28.8°C (84 F), humidity: 71%, wind: 3 m/s (6 kts) from NE
Energia sismica rilasciata stimata2 x 1012 joules (554 MWh, equivalent to 477 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.
5.0159 km53 Km ENE of Lakatoro, VanuatuUSGS
5.1163 kmVanuatu IslandsGeoAu
5.1162 kmVanuatu IslandsGFZ
5.2162 kmVanuatu IslandsRaspberryShake


Seismic station: Monasavu, Fiji (MSVF/II network) | Distance from quake: 1103 km / 686 mi | Show on map | Station Info
Seismic station Monasavu, Fiji: 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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Luganville / Light shaking (MMI IV) / single lateral shake / very short : 1 second only but strong and horizontal moving (reported through our app)  


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So far, no aftershocks have been registered.

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