A strong earthquake struck southwestern China. At least 186 people were killed and around 8,200 people were injured. The earthquake caused mountainsides to collapse into valleys. Available drinking water became a problem following the earthquake.
Reports conflicted on the magnitude of the earthquake. China's Earthquake Networks Center reported that the earthquake was a 7.0 magnitude, while the U.S. Geological Survey (USGS) put it at 6.6. A series of aftershocks followed. According to the USGS, some of the aftershocks were a magnitude of 5.1.