|
|image =ShakeMap Orkney 5 August 2014.jpg |caption =USGS ShakeMap illustrating the intensity of the earthquake |duration = |magnitude = 5.5 ML |PGA = |depth = 〔 |location = 〔 |countries affected = South Africa, also felt in Botswana, Swaziland, Lesotho and Mozambique |intensity = VI (''Strong'')〔 |foreshocks = 4.9 MW at 16:16:25 SAST on 15 June 2014 |aftershocks = 3.8 ML at 16:58:42 SAST on 5 August 2014 |casualties = 1 dead 34 injured〔 }} The 2014 Orkney earthquake occurred at 12:22:33 SAST on 5 August, with the epicentre near Orkney, a gold mining town in the Klerksdorp district in the North West province of South Africa. The shock was assigned a magnitude of 5.5 on the Richter scale by the Council for Geoscience (CGS) in South Africa,〔 making it the biggest earthquake in South Africa since the 1969 Tulbagh earthquake,〔 which had a magnitude of 6.3 on the Richter scale. The United States Geological Survey (USGS) estimated a focal depth of .〔 According to the USGS, the earthquake was "severely dangerous" as the epicentre was located near Orkney and Klerksdorp. The CGS reported 84 aftershocks on 5 August and 31 aftershocks on 6 August, with a magnitude of 1.0 to 3.8 on the Richter scale.〔 According to the CGS, the earthquake is the biggest mining-related earthquake in South African history.〔 == Cause == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「2014 Orkney earthquake」の詳細全文を読む スポンサード リンク
|