events
The Tangshan earthquake measuring between 7.8 and 8.2 moment magnitude flattens Tangshan in the People's Republic of China, killing 242,769 and injuring 164,851.
Related Wikipedia articles
1976 Tangshan earthquake
Mw 7.6 earthquake in Hebei, China
The 1976 Tangshan earthquake was a Mw 7.6 earthquake that hit the region around Tangshan, Hebei, China, at 19:42:55 UTC on 27 July. The maximum intensity of the earthquake was XI (Extreme) on the Mercalli scale. In minutes, 85 percent of the buildings in Tangshan collapsed or…Source: Wikipedia (CC BY-SA)
July 28
Day of the year
July 28 is the 209th day of the year in the Gregorian calendar; 156 days remain until the end of the year.Source: Wikipedia (CC BY-SA)
Moment magnitude scale
Measure of earthquake size, in terms of the energy released
The moment magnitude scale is a measure of an earthquake's magnitude based on its seismic moment. Mw was defined in a 1979 paper by Thomas C. Hanks and Hiroo Kanamori. Similar to the local magnitude/Richter scale (ML ) defined by Charles Francis Richter in 1935, it uses a…Source: Wikipedia (CC BY-SA)
Tangshan
Prefecture-level city in Hebei, People's Republic of China
Tangshan is a coastal, industrial prefecture-level city in the northeast of Hebei province. It is located in the eastern part of Hebei Province and the northeastern part of the North China Plain. It is located in the central area of the Bohai Rim and serves as the main traffic…Source: Wikipedia (CC BY-SA)