The CCP received alarming signals pre-warning of the Gansu earthquake but did not inform the public

At 11:59 p.m. on December 18, a strong earthquake with a magnitude of 6.2 on the Richter scale occurred in Jishishan County, Linxia Province, Cam Tuoc Province, at a depth of 6.2 miles (10 km). The earthquake caused many houses to collapse or be damaged, affecting the neighboring Thanh Hai province.