Drum seismograph records the shaking of the ground

Fifty people have been injured after a 5.5 magnitude earthquake struck southwest China's Yunnan Province on Sunday afternoon, local authority said Tuesday.
Among the injured, eight were seriously wounded and the remaining 42 were slightly injured, according to a statement from the Lincang municipal government information office.
As of Tuesday, roads, power and water supply as well as communication had been basically restored in the affected regions, China's News Agency (Xinhua) reported.
As of Monday noon, the tremor that struck Cangyuan County had affected more than 81,000 residents in the counties of Cangyuan and Gengma in Lincang City, displacing 75,764.
In addition, over 220 homes were razed and over 15,800 were seriously damaged in the two counties.
The Lincang municipal government has allocated 4 million yuan (650,407 US dollars) to supply relief materials.
Cangyuan is a sparsely populated county that borders Myanmar, the houses in its rural areas were not built to sustain earthquakes.
A 6.5 magnitude earthquake hit Yunnan's Ludian County on August 3, 2014, claiming more than 600 lives and destroying over 80,000 homes.