On what fault did the earthquake occur?
According to a study by the China Earthquake Administration (CEA), the earthquake occurred along the Longmenshan fault, a thrust structure along the border of the Indo-Australian Plate and Eurasian Plate. Seismic activities concentrated on its mid-fracture (known as Yingxiu-Beichuan fracture). The rupture lasted close to 120 sec, with the majority of energy released in the first 80 sec. Starting from Wenchuan, the rupture propagated at an average speed of 3.1 kilometers per second 49° toward north east, rupturing a total of about 300 km. Maximum displacement amounted to 9 meters. The focus was deeper than 10 km.
From 1889, when Guangxu began to rule in his own right, to 1898, the Empress Dowager lived in semi-retirement, spending the majority of the year at the Summer Palace. On November 1, 1897, two German Roman Catholic missionaries were murdered in the southern part of Shandong Province (the Juye Incident). In response, Germany used the murders as a pretext for a naval occupation of Jiaozhou Bay. The occupation prompted a "scramble for concessions" in 1898, which included the German lease of Jiazhou Bay, the Russian acquisition of Liaodong, and the British lease of the New Territories of Hong Kong.