selected
An earthquake registering 7.7 Mw struck the Vrancea region of Romania.
Related Wikipedia articles
1940 Vrancea earthquake
1940 earthquake in eastern Romania
The 1940 Vrancea earthquake, also known as the 1940 Bucharest earthquake, occurred on Sunday, 10 November 1940, in Romania, at 03:39, when the majority of the population was at home.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)
Vrancea County
County of Romania
Vrancea is a county (județ) in Romania, with its seat at Focșani. It is mostly in the historical region of Moldavia but the southern part, below the Milcov River, is in Muntenia.Source: Wikipedia (CC BY-SA)