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Terremoto moderato mag. 5.6 - Coral Sea, 48 km a est da Santo, Luganville, Sanma Province, Vanuatu, sabato, 20 nov 2021 21:57 (GMT +11) -

Terremoto moderato mag. 5.6 - Coral Sea, 48 km a est da Santo, Luganville, Sanma Province, Vanuatu, sabato, 20 nov 2021 21:57 (GMT +11) Terremoto moderato mag. 5.6 - Coral Sea, 48 km a est da Santo, Luganville, Sanma Province, Vanuatu, sabato, 20 nov 2021 21:57 (GMT +11)

Terremoto moderato magnitudine 5.6 a 128 km di profondità

20 Nov 11:03 UTC: Primo a segnalare: VolcanoDiscovery dopo 6 minuti.
20 Nov 11:06: Ora utilizzando nuova fonte di dati: GFZ
20 Nov 11:17: Ora utilizzando nuova fonte di dati: USGS
20 Nov 18:28: Magnitudine ricalcolata da 5.5 a 5.6. Profondità ricalcolata da 128.9 a 127.9 km (da 80 a 79 mi). Posizione dell'epicentro corretta di 1.2 km (0.8 mi) al ESE.
Update Sat, 20 Nov 2021, 11:12

Magnitude 5.3 earthquake strikes near Santo, Luganville, Sanma Province, Vanuatu

5.3 quake 20 Nov 9:57 pm (GMT +11)
5.3 quake 20 Nov 9:57 pm (GMT +11)
An earthquake of magnitude 5.3 occurred in the evening on Saturday, November 20th, 2021, at 9:57 pm local time near Santo, Luganville, Sanma Province, Vanuatu, as reported by the German Research Centre for Geosciences (GFZ).
According to preliminary data, the quake was located at an intermediate depth of 123 km. The strength of the earthquake may have been tempered by its relative great depth below the surface, which makes it feel weaker in absolute terms. 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 European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 5.2.
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 Santo (pop. 13,400) located 48 km from the epicenter, Norsup (pop. 3,000) 52 km away, and Port-Olry (pop. 2,000) 87 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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Dettagli del sismo

Data e ora20 Nov 2021 10:57:53 UTC -
Ora locale all'epicentrosabato, 20 nov 2021 21:57 (GMT +11)
StatusConfermato
Magnitudine5.6
Prof.127.9 km
Epicentro latitudine / longitudine15.6075°S / 167.6032°E (Coral Sea, Vanuatu)
Antipode15.608°N / 12.397°W
Intensità di scuotimentoScuotimento leggero
Sentito6 rapporti
Fonte dati primariaUSGS (United States Geological Survey)
Vulcano più vicinoAoba (34 km / 21 mi)
Luoghi vicini48 km E da Santo (Luganville) (pop: 13,400) | Mappa | Sismi nelle vicinanze
55 km NNE da Norsup (pop: 3,000) | Mappa | Sismi nelle vicinanze
85 km SE da Port-Olry (pop: 1,950) | Mappa | Sismi nelle vicinanze
193 km S da Sola (pop: 1,170) | Mappa | Sismi nelle vicinanze
249 km NNO da Port Vila (pop: 35,900) | Mappa | Sismi nelle vicinanze
48 km E da St. Bartholomew Island (pop: 4,270) | Mappa | Sismi nelle vicinanze
64 km ONO da Pentecost Island (pop: 16,800) | Mappa | Sismi nelle vicinanze
74 km N da Malakula Island (pop: 22,900) | Mappa | Sismi nelle vicinanze
Meteo all'epicentro al momento del sismoModerate Rain 27.1°C (81 F), humidity: 72%, wind: 3 m/s (7 kts) from N
Energia sismica rilasciata stimata1.6 x 1013 joules (4.4 GWh, equivalent to 3788 tons of TNT o 0.2 atomic bombs!) | 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
5.6128 km47 Km E of Luganville, VanuatuUSGS
5.5125 kmVANUATUEMSC
5.3156 kmVanuatu: Near NouméaRENASS
5.6133 kmVanuatu IslandsGFZ
5.6122 kmVanuatu IslandsGeoAu
5.7120 kmVanuatu IslandsBMKG
5.6128 kmVanuatu IslandsRaspberryShake

Seismograms

Seismic station: Honiara, Solomon Islands (HNR/IU network) | Distance from quake: 1077 km / 669 mi | Show on map | Station Info
Seismic station Honiara, Solomon Islands: 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 (6)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Translate
Santo (47.9 km WNW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
Aore island (43.1 km W of epicenter) [Map] / Light shaking (MMI IV) / 15-20 s : First vibration approx 10 secs followed by light to moderate horizontal movement of house  
29 km of Port-Olry, Sanma (84.8 km WNW of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 1-2 s : J'ai eu peur  
luganville (47.3 km WNW of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 10-15 s
Luganville (57.1 km W of epicenter) [Map] / Strong shaking (MMI VI) / horizontal (sideways) swinging / 10-15 s : Sudden shake !  
Santo (46.4 km WNW of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 10-15 s

Aftershocks

[More info]

Scosse di assestamento, piu recenti per prima (0 in tutto)

So far, no aftershocks have been registered.

Earlier earthquakes in the same area

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