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An earthquake registering 7.0 Mw struck Haiti, killing more than 100,000 people.
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2010 Haiti earthquake
Magnitude 7.0 Mw earthquake
The 2010 Haiti earthquake was a catastrophic magnitude 7.0 Mw earthquake that struck Haiti at 16:53 local time on Tuesday, 12 January 2010. The epicenter was near the town of Léogâne, Ouest department, approximately 25 kilometres (16 mi) west of Port-au-Prince, Haiti's capital.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)