Moderato terremoto magnitudine 5.0 - South Pacific Ocean, 375 km a sud da Nuku\'alofa, Tongatapu, giovedì, 31 ottobre 2019 -
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Moderate magnitude 5.0 earthquake at 29 km depth
31 Oct 17:00 UTC: Primo a segnalare: USGS dopo 22 minuti.
Profondità ricalcolata da 35.0 a 29.3 km.
Profondità ricalcolata da 35.0 a 29.3 km.
Ora locale a epicentro: 2019-10-31 04:38:36 -12:00
Magnitudine: 5
Profondità: 29.3 km
Epicentro latitudine / longitudine: 24.286°S / 176.5134°W
(South Pacific Ocean, Tonga)Vulcano più vicino: Unnamed 24.8°S/177.02°W (87 km / 54 mi)
Nearby towns and cities:
365 km SSO da ‘Ohonua (Ohonua) (pop: 1,240) --> Vedi sismi vicini
375 km SSO da Nuku'alofa (pop: 22,400) --> Vedi sismi vicini
375 km SSO da Nuku‘alofa (pop: 22,400) --> Vedi sismi vicini
381 km SSO da Kolonga (pop: 1,100) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) More info
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.
| Magnitudine | Profondità | Ubicazione | Fonte |
| M 5.0 | 29 km | South of the Fiji Islands (Tonga) | USGS |
| M 5.0 | 35 km | South Of Fiji Islands (Tonga) | EMSC |
| M 5.8 | 10 km | South of Fiji Islands (Tonga) | BMKG |
User reports for this quake (1)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Umkomaas / Light shaking (MMI IV)
Aftershocks of the 5.0 quake South Pacific Ocean, 375 km south of Nuku'alofa, Tongatapu, 2019-10-31 04:38:36 -12:00
More info
Recorded aftershocks, latest first (0 quakes):So far, no aftershocks have been registered.
Earlier earthquakes in the same area
Moderate mag. 5.0 earthquake - South Pacific Ocean, 375 km south of Nuku'alofa, Tongatapu, on 2019-10-31 04:38:36 -12:00
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