Factfile on the earthquake which struck the northern Chinese city of Tangshan on July 28, 1976.
— Earthquake struck at 3:42 am on July 28, 1976, lasting for 15 seconds
— Magnitude 7.8 on Richter scale
— Aftershock of 7.1 on Richter scale struck 15 hours later
— 242,000 people dead out of a population of one million, making it the deadliest quake in the world during the 20th century
— 164,000 people seriously injured
— Over 7,200 entire families killed
— 7,000 men left without wives and 8,000 wives left without husbands, 4,200 orphans
— 3,800 left crippled
— 90 percent of buildings in Tangshan flattened
— Over 100,000 soldiers, 30,000 medical workers and 20,000 relief team members sent to Tangshan
Sources: Official Chinese statistics and: "The Tangshan Earthquake," by Qian Gang, 2nd edition published 2005
