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Terremoto forte mag. 5.2 - South Pacific Ocean, 291 km a sud ovest da Apia, Tuamasaga, Samoa, giovedì, 8 set 2022 20:15 (GMT +13) -

Terremoto forte mag. 5.2 - South Pacific Ocean, 291 km a sud ovest da Apia, Tuamasaga, Samoa, giovedì,  8 set 2022 20:15 (GMT +13) Terremoto forte mag. 5.2 - South Pacific Ocean, 291 km a sud ovest da Apia, Tuamasaga, Samoa, giovedì,  8 set 2022 20:15 (GMT +13)

Terremoto forte magnitudine 5.2 a 10 km di profondità

8 Sep 07:29 UTC: Primo a segnalare: GFZ dopo 14 minuti.
8 Sep 07:34: Posizione dell'epicentro corretta di 55 km (34 mi) al WNW.
8 Sep 07:40: Ora utilizzando nuova fonte di dati: USGS
8 Sep 19:24: Magnitudine ricalcolata da 5.3 a 5.2. Posizione dell'epicentro corretta di 6 km (3.7 mi) al NNW.

Dettagli del sismo

Data e ora8 Sep 2022 07:15:33 UTC -
Ora locale all'epicentrogiovedì, 8 set 2022 20:15 (GMT +13)
StatusConfermato
Magnitudine5.2
Prof.10.0 km
Epicentro latitudine / longitudine16.2266°S / 172.8621°W (South Pacific Ocean, Samoa)
Antipode16.227°N / 7.138°E
Intensità di scuotimentoScuotimento moderato vicino all'epicentro
Sentito0 rapporti
Fonte dati primariaUSGS (United States Geological Survey)
Vulcano più vicinoTafahi (101 km / 63 mi)
Luoghi vicini281 km SSO da Mulifanua (pop: 4,510) | Mappa | Sismi nelle vicinanze
291 km SSO da Apia (pop: 40,400) | Mappa | Sismi nelle vicinanze
291 km SSO da Afega (Malie) (pop: 1,900) | Mappa | Sismi nelle vicinanze
295 km SSO da Lufilufi (pop: 1,070) | Mappa | Sismi nelle vicinanze
302 km S da Asau (pop: 6,640) | Mappa | Sismi nelle vicinanze
317 km SO da Pago Pago (Ma'Oputasi, Samoa americane) (pop: 11,500) | Mappa | Sismi nelle vicinanze
443 km NO da Alofi (Niue) (pop: 624) | Mappa | Sismi nelle vicinanze
484 km SE da Mata-Utu (Hahake, Wallis e Futuna) (pop: 1,200) | Mappa | Sismi nelle vicinanze
486 km SE da Wallis Island (pop: 10,000) | Mappa | Sismi nelle vicinanze
Meteo all'epicentro al momento del sismoClear Sky 26.5°C (80 F), humidity: 75%, wind: 8 m/s (16 kts) from ESE
Energia sismica rilasciata stimata4 x 1012 joules (1.11 GWh, equivalent to 951 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
5.210 kmSamoa: 104 Km ESE of Hihifo, TongaUSGS
5.010 kmSamoa: Near NouméaRENASS
5.310 kmTONGAEMSC
5.210 kmTonga IslandsRaspberryShake
5.242 kmTonga IslandsGeoAu
5.210 kmTonga IslandsGFZ

Seismograms

Seismic station: Funafuti, Tuvalu (FUNA/IU network) | Distance from quake: 1215 km / 755 mi | Show on map | Station Info
Seismic station Funafuti, Tuvalu: 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

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

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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