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Tremblement de terre fort magnitude 5.1 - 8.7 km au nord-est de Orkney, Afrique du Sud, lundi, le 03 avril 2017 03:08

Tremblement de terre fort magnitude 5.1 - 8.7 km au nord-est de Orkney, Afrique du Sud, lundi, le 03 avril 2017 03:08 Tremblement de terre fort magnitude 5.1 - 8.7 km au nord-est de Orkney, Afrique du Sud, lundi, le 03 avril 2017 03:08

Tremblement de terre fort magnitude 5.1 à 10 km de profondeur

3 Apr 03:20 UTC: Premier à signaler: GFZ après 12 minutes.

Détails du séisme

Date et l'heure3 Apr 2017 03:08:52 UTC
Heure locale à l'épicentre
StatutConfirmé
Magnitude5.1
Profondeur10.0 km
Épicentre latitude / longitude26.93°S / 26.74°E (Dr Kenneth Kaunda District Municipality, North West, Afrique du Sud)
Antipode26.93°N / 153.26°W
Intensité d'agitationSecousses légères
Senti37 rapports
Source de données principaleGFZ (German Research Centre for Geosciences)
Lieux à proximité9 km NE de Orkney (North-West) (pop: 145,800) | Carte | Séismes à proximité
10 km SSO de Stilfontein (North-West) (pop: 93,100) | Carte | Séismes à proximité
11 km SE de Klerksdorp (North-West) (pop: 178,900) | Carte | Séismes à proximité
37 km NO de Viljoenskroon (Orange Free State) (pop: 55,000) | Carte | Séismes à proximité
43 km SO de Potchefstroom (North-West) (pop: 123,700) | Carte | Séismes à proximité
52 km NNE de Bothaville (Orange Free State) (pop: 71,900) | Carte | Séismes à proximité
133 km SO de Soweto (Gauteng) (pop: 1,695,000) | Carte | Séismes à proximité
153 km OSO de Johannesburg (Gauteng) (pop: 2,026,500) | Carte | Séismes à proximité
161 km SE de Mahikeng (North-West) (pop: 14,000) | Carte | Séismes à proximité
195 km SO de Pretoria (Gauteng) (pop: 1,619,400) | Carte | Séismes à proximité
Énergie sismique estimée libérée2.8 x 1012 joules (783 MWh, équivalent à 674 tonnes de TNT) | 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
5.110 kmSouth AfricaGFZ
5.210 km SOUTH AFRICAEMSC
5.25 km- South AfricaUSGS
shake map
(shakemap: USGS)

Seismograms

Seismic station: Lobatse, Botswana (LBTB/GT network) | Distance from quake: 242 km / 150 mi | Show on map | Station Info
Seismic station Lobatse, Botswana: 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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Témoignages pour ce séisme (47)

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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Frankfort / Weak shaking (MMI III) : It was scary and even the curtains were moving by the earthquake.  
PLUMTREE TOWN, ZIMBABWE / Light shaking (MMI IV) : FELT SOME NOISE AND VIBRATIONS AND SHAKING OF BUILDING  
Durban south / Light shaking (MMI IV) : I was watching tv and the rocking chair I was sitting in starting shaking. At first I thought I'm imagining it, so I held the chair nd it still continued and the glass cabinet in our passage was rattling.  
Randburg, City of Johannesburg Metropolitan Municipality, Gauteng (151.7 km NE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Rustenburg / Light shaking (MMI IV) : My bed and hanging lights shaked. Animals were quite disturbed....  
Rustenburg , Lefaragatlhe / Moderate shaking (MMI V) : as i was watching tv in my bedroom sitting on the bed. the bed literally started shaking like sumbdy was shaking it then i ran outside where then i felt the vibrations on the ground  
brakpan jhb / Weak shaking (MMI III)
Bulawayo / Moderate shaking (MMI V) : It started just a few minutes before 2000hrs  
Sannieshof north west province south africa (104.6 km W of epicenter) [Map] / Light shaking (MMI IV) : It sounded like a mibe blast  
Rosebank johanersburg / Light shaking (MMI IV)
Tweefontein, Polokwane / Very weak shaking (MMI II) : My door was shaking. Felt very light shaking by myself and 2 other neigbours also felt the light shaking. Just before 20:00 3.4.2017  
Eersterust, Pretoria, Gauteng / Moderate shaking (MMI V) : felt approx 20:00 03/04/2017  
Pretoria north, magalieskruin, 0182 / Light shaking (MMI IV) : our glass doors was rattling and kitchen ware  
Knysna (866.4 km SSW of epicenter) [Map] / Very weak shaking (MMI II)
robertsham / not felt
Pretoria / Light shaking (MMI IV)
Pretoria, City of Tshwane Metropolitan Municipality, Gauteng (196.2 km NE of epicenter) [Map] / Light shaking (MMI IV) : I was sitting in the couch I felt someone shaking my couch in the flat about 9seconds and decided to run out the flat  
johannesburg west / Moderate shaking (MMI V) : @ 19h45 RSA time, my grand father clock was shaking and my feet could feel the vibrations....brian roberts johannesburg  
Pretoria / Light shaking (MMI IV) : Felt it light aroun 19:45  
Koster, North West Province, South Africa / Light shaking (MMI IV) : The house trembled and the dogs barked. It continued for at least 4 to 5 seconds This happened about 19h45 on 3 April 2017  
Centurion, Pretoria / Very weak shaking (MMI II) : I felt the house rattle and the window panes kept rattling after the house stopped.  
Randburg / not felt
Klerksdorp / Moderate shaking (MMI V) : It woke me and the family up. I kid in Ou dorp, Klerksdorp  
mafikeng / Light shaking (MMI IV)
near Polokwane, Capricorn District Municipality, Limpopo (443.9 km NE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
farm situated between Klerksdorp and Potchefstroom / Very strong shaking (MMI VII)
port elizabeth / Very weak shaking (MMI II)
Newlands, Cape Town / Light shaking (MMI IV)
Mukula / Severe shaking (MMI VIII)
Potchefstroom / Weak shaking (MMI III)
Kempton Park (177.4 km ENE of epicenter) [Map] / Light shaking (MMI IV) : It felt similar to underground blasting in the mines (reported through our app)  
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Répliques

[Plus d'infos]

Répliques enregistrées, les plus récentes en premier (0 séisme)

Jusqu'à présent, aucune replique n'a étée enregistrée.

Earlier earthquakes in the same area

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