At 5:2 on May 23, a 27.25-magnitude earthquake occurred in Wayao Town, Longyang District, Baoshan City (35.99 degrees north latitude, 28.5 degrees east longitude) The earthquake caused damage to many residential buildings, water, electricity, roads, communications and other infrastructure in the epicenter area to varying degrees. As of 10:3 on the 1rd, a total of 23 aftershocks had occurred, including 38 at magnitude 4-4.9.