Leggero terremoto magnitudine 4.7 - South Pacific Ocean, 560 km a nord est da Nuku\'alofa, Tongatapu, domenica, 10 settembre 2017
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Light magnitude 4.7 earthquake at 10 km depth
10 Sep 00:54 UTC: Primo a segnalare: USGS dopo 40 minuti.
Ora locale a epicentro: 2017-09-09 12:13:41 -12:00
Magnitudine: 4.7
Profondità: 10.0 km
Epicentro latitudine / longitudine: 16.7518°S / 172.5819°W
(South Pacific Ocean, Tonga)Vulcano più vicino: Tafahi (158 km / 98 mi)
Nearby towns and cities:
157 km SE da Hihifo (pop: 815) --> Vedi sismi vicini
258 km NE da Neiafu (pop: 4,320) --> Vedi sismi vicini
335 km SO da Tāfuna (Tualauta, Samoa americane) (pop: 11,000) --> Vedi sismi vicini
336 km SSO da Apia (Samoa) (pop: 40,400) --> Vedi sismi vicini
341 km SO da Pago Pago (Ma'Oputasi, Samoa americane) (pop: 11,500) --> Vedi sismi vicini
360 km S da Asau (Samoa) (pop: 6,640) --> Vedi sismi vicini
381 km NO da Alofi (Niue) (pop: 624) --> Vedi sismi vicini
389 km NNE da Pangai (pop: 1,740) --> Vedi sismi vicini
546 km SE da Mata-Utu (Hahake, Wallis e Futuna) (pop: 1,200) --> Vedi sismi vicini
560 km NNE da Nuku'alofa (pop: 22,400) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 tons of TNT) More info
Data for the same earthquake reported by different agencies
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| Magnitudine | Profondità | Ubicazione | Fonte |
| M 4.7 | 10 km | - 153km SE of Hihifo, Tonga | USGS |
| M 4.7 | 10 km | SAMOA ISLANDS REGION | EMSC |
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Earlier earthquakes in the same area
Mag. 4.7 earthquake - South Pacific Ocean, 258 km northeast of Neiafu, Vava‘u, Tonga, on 2017-09-09 12:13:41 -12:00
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