http://www.ldeo.columbia.edu/LCSN/recenteqs/ Note the red dot in Canada... 3.5 2011/03/29 12:04:35 46.559N 76.950W 18.0 160 km (99 mi) NW of Ottawa, ONT 4.3 2011/03/16 13:36:55 45.570N 74.550W 18.0 48 km (30 mi) NW of Valleyfield, QUE
Interesting: 3.2 2011/03/11 04:56:23 35.496N 97.090W 4.7 22 km (13 mi) NNW of Bethel Acres, OK