earthquake.usgs.gov Earthquake Details This event has been reviewed by a seismologist. Magnitude 4.0 Date-Time Sunday, September 18, 2011 at 19:19:14 UTC Sunday, September 18, 2011 at 03:19:14 PM at epicenter Location 45.601°N, 75.234°W Depth 5 km (3.1 miles) (poorly constrained) Region ONTARIO-QUEBEC BORDER REGION, CANADA Distances 17 km (11 miles) ENE (58°) from Cumberland, Ontario, Canada 35 km (22 miles) ENE (69°) from Gatineau, Québec, Canada 40 km (25 miles) NE (54°) from Gloucester, Ontario, Canada 41 km (26 miles) ENE (61°) from OTTAWA, Ontario, Canada