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Sismo leggero mag. 4.5 - South Pacific Ocean, 274 km a sud ovest da Apia, Tuamasaga, Samoa, martedì, 27 set 2022 18:41 (GMT +13) -

Sismo leggero mag. 4.5 - South Pacific Ocean, 274 km a sud ovest da Apia, Tuamasaga, Samoa, martedì, 27 set 2022 18:41 (GMT +13) Sismo leggero mag. 4.5 - South Pacific Ocean, 274 km a sud ovest da Apia, Tuamasaga, Samoa, martedì, 27 set 2022 18:41 (GMT +13)

Sismo leggero magnitudine 4.5 a 99 km di profondità

27 Sep 06:19 UTC: Primo a segnalare: USGS dopo 39 minuti.

Dettagli del sismo

Data e ora27 Sep 2022 05:41:06 UTC -
Ora locale all'epicentromartedì, 27 set 2022 18:41 (GMT +13)
StatusConfermato
Magnitudine4.5
Prof.98.6 km
Epicentro latitudine / longitudine15.7532°S / 173.3626°W (South Pacific Ocean, Samoa)
Antipodo15.753°N / 6.637°E
Intensità di scuotimentoScuotimento debole vicino all'epicentro
Sentito0 rapporti
Fonte dati primariaUSGS (United States Geological Survey)
Vulcano più vicinoCuracoa (36 km / 22 mi)
Luoghi vicini250 km SSO da Vailoa (pop: 769) | Mappa | Sismi nelle vicinanze
257 km SSO da Mulifanua (pop: 4,510) | Mappa | Sismi nelle vicinanze
260 km SSO da Asau (pop: 6,640) | Mappa | Sismi nelle vicinanze
271 km SO da Afega (Malie) (pop: 1,900) | Mappa | Sismi nelle vicinanze
274 km SO da Apia (pop: 40,400) | Mappa | Sismi nelle vicinanze
276 km SSO da Safotu (pop: 1,210) | Mappa | Sismi nelle vicinanze
282 km SO da Lufilufi (pop: 1,070) | Mappa | Sismi nelle vicinanze
318 km OSO da Leone (Samoa americane) (pop: 4,050) | Mappa | Sismi nelle vicinanze
Meteo all'epicentro al momento del sismoOvercast Clouds 26.8°C (80 F), humidity: 75%, wind: 2 m/s (4 kts) from N
Energia sismica rilasciata stimata3.5 x 1011 joules (98.6 MWh, equivalent to 84.8 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
4.599 kmSamoa: 51 Km ENE of Hihifo, TongaUSGS
4.593 kmTONGAEMSC
4.599 kmSamoa: Tonga IslandsRaspberryShake
4.510 kmSamoa: Tonga IslandsIRIS
4.777 kmTonga IslandsGFZ

Seismograms

Seismic station: Funafuti, Tuvalu (FUNA/IU network) | Distance from quake: 1140 km / 708 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.

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