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Tremblement de terre fort magnitude 5.9 - South Pacific Ocean, 151 km à l'est de Nukalofa, Nuku'alofa, Tongatapu, mardi, 19 avril 2022 17:33 (GMT +13) -

Tremblement de terre fort magnitude 5.9 - South Pacific Ocean, 151 km à l\'est de Nukalofa, Nuku\'alofa, Tongatapu, mardi, 19 avril 2022 17:33 (GMT +13) Tremblement de terre fort magnitude 5.9 - South Pacific Ocean, 151 km à l\'est de Nukalofa, Nuku\'alofa, Tongatapu, mardi, 19 avril 2022 17:33 (GMT +13)

Tremblement de terre fort magnitude 5.9 à 10 km de profondeur

19 Apr 04:43 UTC: Premier à signaler: GFZ après 10 minutes.
19 Apr 04:45: Magnitude recalculée de 5.7 à 5.9. Emplacement de l'épicentre corrigé de 27 km (17 mi) au NO.
... [show all] ...
20 Apr 05:16: Emplacement de l'épicentre corrigé de 5.2 km (3.2 mi) au ESE.
Update Tue, 19 Apr 2022, 04:54

Significant 6.0 quake hits near Nukalofa, Nuku'alofa, Tongatapu, Tonga

6.0 quake 19 Apr 5:33 pm (GMT +13)
6.0 quake 19 Apr 5:33 pm (GMT +13)
The German Research Centre for Geosciences (GFZ) reported a magnitude 6.0 quake in Tonga near Nukalofa, Nuku'alofa, Tongatapu, only 20 minutes ago. The earthquake hit in the afternoon on Tuesday, April 19th, 2022, at 5:33 pm local time at a shallow depth of 10 km. 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 France's Réseau National de Surveillance Sismique (RéNaSS) which listed the quake at magnitude 5.9. Other agencies reporting the same quake include the citizen-seismograph network of RaspberryShake at magnitude 6.0, and the European-Mediterranean Seismological Centre (EMSC) at magnitude 6.2.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In 'Ohonua (pop. 1,200) located 88 km from the epicenter, Kolonga (pop. 1,100) 101 km away, Lapaha (pop. 8,000) 106 km away, Nukalofa (pop. 22,400) 115 km away, Nuku'alofa (pop. 22,400) 115 km away, and Haveluloto (pop. 3,400) 116 km away, the quake should have been felt as light shaking.
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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Détails du séisme

Date et l'heure19 Apr 2022 04:33:41 UTC -
Heure locale à l'épicentremardi, 19 avril 2022 17:33 (GMT +13)
StatutConfirmé
Magnitude5.9
Profondeur10.0 km
Épicentre latitude / longitude21.5088°S / 173.8027°W (South Pacific Ocean, Tonga)
Antipode21.509°N / 6.197°E
Intensité d'agitationSecousses légères
Senti4 rapports
Source de données principaleUSGS (United States Geological Survey)
Volcan le plus prèsUnnamed 21.38°S/175.65°W (192 km / 119 mi)
Lieux à proximité120 km E de ‘Ohonua (Ohonua) (pop: 1,240) | Carte | Séismes à proximité
137 km ESE de Kolonga (pop: 1,100) | Carte | Séismes à proximité
151 km ESE de Nukalofa (Nuku'alofa) (pop: 22,400) | Carte | Séismes à proximité
151 km ESE de Nuku‘alofa (pop: 22,400) | Carte | Séismes à proximité
197 km SSE de Bangai (Pangai) (pop: 1,740) | Carte | Séismes à proximité
318 km S de Neiafu (pop: 4,320) | Carte | Séismes à proximité
148 km ESE de Amsterdam Island (pop: 75,000) | Carte | Séismes à proximité
Météo à l'épicentre au moment du séismeOvercast Clouds 27°C (81 F), humidity: 71%, wind: 8 m/s (16 kts) from E
Énergie sismique estimée libérée4.5 x 1013 joules (12.4 GWh, équivalent à 10676 tonnes de TNT ou 0.7 bombes atomiques!) | about seismic energy
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Données pour le même séisme indiquées par différentes agences

Info : Plus les agences signalent le même séisme et publient des données similaires, plus vous pouvez avoir confiance dans les données. Il faut normalement jusqu'à quelques heures pour que les paramètres sismiques soient calculés avec une précision quasi optimale.
Mag.ProfondeurLieuSource
5.910 km120 Km E of ‘Ohonua, TongaUSGS
6.010 kmTONGAEMSC
5.910 kmTonga IslandsRaspberryShake
5.910 kmTonga: Near NouméaRENASS
6.052 kmTonga IslandsGeoAu
6.217 kmTonga Islands [Sea: Tonga]INGV
6.110 kmTonga IslandsGFZ

Seismograms

Seismic station: Rarotonga, Cook Islands (RAR/IU network) | Distance from quake: 1453 km / 903 mi | Show on map | Station Info
Seismic station Rarotonga, Cook 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. Bandpass filter applied: 0.02-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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Témoignages pour ce séisme (4)

Les rapports des utilisateurs estiment l'intensité perçue des secousses du sol en fonction de l' Échelle MMI (Modified Mercalli Intensity Scale).
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Traduire
Tofoa Nuku'slofa Tonga (152.8 km WNW of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
kingdom of tonga (103.4 km W of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging : a shake then rolling motion  
Work / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : I felt scary  
Haveluloto, Nuku'alofa, Tongatapu / Very weak shaking (MMI II) / single lateral shake / 2-5 s

Répliques

[Plus d'infos]

Répliques enregistrées, les plus récentes en premier (2 séismes)

Date et l'heureMag
Profondeur
LieuDétail
30 mai. 2022 18:44
il y a 35 semaines
4.9

10 km
South Pacific Ocean, 195 km E de Nukalofa, Nuku'alofa, TongatapuPlus
19 avril. 2022 14:08
il y a 40 semaines
4.6

10 km
South Pacific Ocean, 148 km E de Nukalofa, Nuku'alofa, TongatapuPlus

Earlier earthquakes in the same area

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