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Tremblement de terre fort magnitude 5.3 - 6.8 km à l'est de Orkney, Afrique du Sud, Tuesday, August 05, 2014 12:22:34

Tremblement de terre fort magnitude 5.3 - 6.8 km à l\'est de Orkney, Afrique du Sud, Tuesday, August 05, 2014 12:22:34 Tremblement de terre fort magnitude 5.3 - 6.8 km à l\'est de Orkney, Afrique du Sud, Tuesday, August 05, 2014 12:22:34

Tremblement de terre fort magnitude 5.3 à 10 km de profondeur

5 Aug 11:10 UTC: Premier à signaler: USGS après 47 minutes.

Détails du séisme

Date et l'heure5 Aug 2014 10:22:34 UTC
Heure locale à l'épicentreTuesday, August 05, 2014 12:22:34
StatutConfirmé
Magnitude5.3
Profondeur10.0 km
Épicentre latitude / longitude26.9862°S / 26.7415°E (Dr Kenneth Kaunda District Municipality, North West, Afrique du Sud)
Antipode sismique26.986°N / 153.259°W
Intensité d'agitationSecousses modérées
Senti82 rapports
Source de données principaleUSGS (United States Geological Survey)
Lieux à proximité7 km E de Orkney (North-West) (pop: 145,800) | Carte | Séismes à proximité
16 km S de Stilfontein (North-West) (pop: 93,100) | Carte | Séismes à proximité
17 km SSE de Klerksdorp (North-West) (pop: 178,900) | Carte | Séismes à proximité
32 km NO de Viljoenskroon (Orange Free State) (pop: 55,000) | Carte | Séismes à proximité
46 km NNE de Bothaville (Orange Free State) (pop: 71,900) | Carte | Séismes à proximité
47 km SO de Potchefstroom (North-West) (pop: 123,700) | Carte | Séismes à proximité
137 km SO de Soweto (Gauteng) (pop: 1,695,000) | Carte | Séismes à proximité
156 km SO de Johannesburg (Gauteng) (pop: 2,026,500) | Carte | Séismes à proximité
166 km SE de Mahikeng (North-West) (pop: 14,000) | Carte | Séismes à proximité
200 km SO de Pretoria (Gauteng) (pop: 1,619,400) | Carte | Séismes à proximité
Énergie sismique estimée libérée5.6 x 1012 joules (1.56 GWh, équivalent à 1344 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
5.310 km6km E of Orkney, South AfricaUSGS
5.410 kmSouth AfricaGFZ
5.210 km SOUTH AFRICAEMSC
shake map
(shakemap: USGS)

Seismograms

Seismic station: Lobatse, Botswana (LBTB/GT network) | Distance from quake: 247 km / 154 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 (283)

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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Stilfontein / Very strong shaking (MMI VII) : Very violent shaking heard it before feeling it.   
Klerksdorp / Very strong shaking (MMI VII) : We are about 16 km from epicenter. It was really very scary. Church bells were ringing. My kids school had to evacuate due to cracks in the walls. It was two shakes, but here it felt like one long continuous shake.  
Vryburg, North-West / Light shaking (MMI IV) : The car rocked like a cradle. I will never forget the sound.  
johannesburg / Moderate shaking (MMI V)
Kimberley / Light shaking (MMI IV) : Building moving. On 2nd floor at the time. Chairs moving and computer screens shaking. Two events. Vibrations felt for a while.  
Klerksdorp / Strong shaking (MMI VI) : I am an 66 year old citizen of this area, and this was the WORST I have experienced in all my life!!! Worked on th mines prior to 1983, and also underground, and NEVER would like to be in situation like this if underground. My house  
Johannesburg (153.3 km NE of epicenter) [Map] / Moderate shaking (MMI V)
Johannesburg (153.3 km NE of epicenter) [Map] / Moderate shaking (MMI V)
Johannesburg (153.3 km NE of epicenter) [Map] / Violent shaking (MMI IX)
Hekpoort (147.8 km NE of epicenter) [Map] / Moderate shaking (MMI V)
Durban, South Africa (519.1 km SE of epicenter) [Map] / Light shaking (MMI IV)
bloemfontein,bloemspruit / Light shaking (MMI IV) : My chair was shaking, and I thought it was about to break, but ignored it  
Sasolburg (108.6 km E of epicenter) [Map] / Moderate shaking (MMI V) : Everything was shaking. It felt weird feeling everything moving around you  
Brooklyn Pretoria (200.6 km NE of epicenter) [Map] / Moderate shaking (MMI V)
VANDERBIJLPARK / Moderate shaking (MMI V)
20 dover street Randburg / Light shaking (MMI IV) : was at the office and just felt my chair bumping and though a heavy truch was passing by, only to discover tht it was a quake nearly wet myself  
Sandton / Strong shaking (MMI VI)
Parys / Moderate shaking (MMI V)
Parys / Moderate shaking (MMI V)
Braamfontein, Johannesburg (156.4 km NE of epicenter) [Map] / Moderate shaking (MMI V) : I was on the 17th floor of an office building - I felt swaying rather than shaking. It was rather frightening.  
pretoria / Moderate shaking (MMI V) : scary  
pretoria / Weak shaking (MMI III)
Eloffsdall, Pretoria North / Very weak shaking (MMI II) : I distinctly felt it as I am in a site office, container type office, it stands on small pillars about 500cm off the ground. It was very weak but I felt it... it was strange, but I never really entertained the thought of an earthquake / tremor...  
City Deep, Johannesburg, South Africa / Moderate shaking (MMI V)
bryanston, johannesburg, South Africa (164.2 km NE of epicenter) [Map] / Strong shaking (MMI VI)
Pretoria (203.3 km NE of epicenter) [Map] / Light shaking (MMI IV) : I felt it!  
Johannesburg (150 km NE of epicenter) [Map] / Light shaking (MMI IV) : It was scary for me because we don't often get earthquakes.  
south africa, Potchefstroom / Moderate shaking (MMI V)
Kempton Park / Moderate shaking (MMI V) : Very scary.......  
Waltloo, Pretoria (211.4 km NE of epicenter) [Map] / Light shaking (MMI IV) : Thought it was the builders working onsite. cup of coffee almost fell off the desk  
bloemfontein / Light shaking (MMI IV)
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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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