Which seismic zone triggered the 2010 Indiana earthquake?
New Madrid Seismic Zone The New Madrid Seismic Zone (pronounced ), sometimes called the New Madrid Fault Line, is a major seismic zone and a prolific source of intraplate earthquakes (earthquakes within a tectonic plate) in the southern and midwestern United States, stretching to the southwest from New Madrid, Missouri.
2010 New Britain earthquakes On July 18, 2010 a 7.3 magnitude earthquake occurred in New Britain, Papua New Guinea. This quake was the second in a series of two earthquakes to hit New Britain on July 18, the first one measuring magnitude 6.9. A tsunami warning was issued but later lifted. Some houses in the area of the earthquake were reported collapsed.