For four centuries now, southern Ghana has been known to be seismically active, and there is no clear geological explanation for the cause of the seismicity. By evaluating new field data and information with re-interp...For four centuries now, southern Ghana has been known to be seismically active, and there is no clear geological explanation for the cause of the seismicity. By evaluating new field data and information with re-interpreted historical earthquake data of southern Ghana, the nature of the seismicity of southern Ghana has been elucidated. The mutual connection between the earthquake epicentres and the remote causes by Mid-Atlantic transform faults and fracture zones has been established. The seismic regions of southern Ghana have been linked separately to tectonic faults and activities of the St. Paul’s and Romanche transform-fracture zone systems offshore in the Gulf of Guinea to onshore. It is concluded that the seismicity of southern Ghana is due to tectonic activities of the St. Paul’s and Romanche transform-fracture systems. The Accra region earthquakes originate from reactivation of faults in the Romanche transform-fracture zone, and propagate onshore through Accra and environs. The Axim region earthquakes come from reactivated faults linked to the St Paul’s fracture zone, which go through southern Cote D’Ivoire to Ghana. Seismotectonic movements along the St Paul’s transform and fracture zones have quieted since 1879. But movement along the Romanche Transform fault and Fracture zone is active, causing ongoing seismicity of southern Ghana.展开更多
近代中国高校中,社会学属于"舶来"学科。我国社会学史著作中依据许仕廉和孙本文的论述,认为中国高校中最早开设社会学课程的是门·阿瑟(Mr.Arthur Moon)或孟教授(Arthur M onn),时间是1905年或1908年。但经详细考证,结论...近代中国高校中,社会学属于"舶来"学科。我国社会学史著作中依据许仕廉和孙本文的论述,认为中国高校中最早开设社会学课程的是门·阿瑟(Mr.Arthur Moon)或孟教授(Arthur M onn),时间是1905年或1908年。但经详细考证,结论是:1905年,孟嘉德教士在圣约翰学院开设的社会学课程是近代中国高等学校最早的。展开更多
文摘For four centuries now, southern Ghana has been known to be seismically active, and there is no clear geological explanation for the cause of the seismicity. By evaluating new field data and information with re-interpreted historical earthquake data of southern Ghana, the nature of the seismicity of southern Ghana has been elucidated. The mutual connection between the earthquake epicentres and the remote causes by Mid-Atlantic transform faults and fracture zones has been established. The seismic regions of southern Ghana have been linked separately to tectonic faults and activities of the St. Paul’s and Romanche transform-fracture zone systems offshore in the Gulf of Guinea to onshore. It is concluded that the seismicity of southern Ghana is due to tectonic activities of the St. Paul’s and Romanche transform-fracture systems. The Accra region earthquakes originate from reactivation of faults in the Romanche transform-fracture zone, and propagate onshore through Accra and environs. The Axim region earthquakes come from reactivated faults linked to the St Paul’s fracture zone, which go through southern Cote D’Ivoire to Ghana. Seismotectonic movements along the St Paul’s transform and fracture zones have quieted since 1879. But movement along the Romanche Transform fault and Fracture zone is active, causing ongoing seismicity of southern Ghana.
文摘近代中国高校中,社会学属于"舶来"学科。我国社会学史著作中依据许仕廉和孙本文的论述,认为中国高校中最早开设社会学课程的是门·阿瑟(Mr.Arthur Moon)或孟教授(Arthur M onn),时间是1905年或1908年。但经详细考证,结论是:1905年,孟嘉德教士在圣约翰学院开设的社会学课程是近代中国高等学校最早的。