USGS notice.
Edit: USGS updated the report.
Magnitude 5.0
Date-Time
* Wednesday, June 23, 2010 at 17:41:42 UTC
* Wednesday, June 23, 2010 at 01:41:42 PM at epicenter
* Time of Earthquake in other Time Zones
Location 45.862°N, 75.457°W
Depth 18 km (11.2 miles) set by location program
Region ONTARIO-QUEBEC BORDER REGION, CANADA
Distances
* 38 km (24 miles) N (356°) from Cumberland, Ontario, Canada
* 44 km (28 miles) NNE (21°) from Gatineau, Qu?bec, Canada
* 51 km (32 miles) NNE (26°) from Hull, Qu?bec, Canada
* 53 km (33 miles) NNE (21°) from OTTAWA, Ontario, Canada
Location Uncertainty horizontal +/- 2.3 km (1.4 miles); depth fixed by location program
Parameters NST=283, Nph=283, Dmin=148.6 km, Rmss=0.91 sec, Gp= 25°,
M-type=teleseismic moment magnitude (Mw), Version=8
Source
* USGS NEIC (WDCS-D)
Event ID us2010xwa7
Magnitude 5.5
Date-Time
* Wednesday, June 23, 2010 at 17:41:41 UTC
* Wednesday, June 23, 2010 at 01:41:41 PM at epicenter
* Time of Earthquake in other Time Zones
Location 45.866°N, 75.457°W
Depth 15.7 km (9.8 miles) set by location program
Region ONTARIO-QUEBEC BORDER REGION, CANADA
Distances
* 39 km (24 miles) N (356°) from Cumberland, Ontario, Canada
* 45 km (28 miles) NNE (21°) from Gatineau, Quebec, Canada
* 52 km (32 miles) NNE (26°) from Hull, Quebec, Canada
* 53 km (33 miles) NNE (21°) from OTTAWA, Ontario, Canada
Location Uncertainty horizontal +/- 2.3 km (1.4 miles); depth fixed by location program
Parameters NST=283, Nph=283, Dmin=149 km, Rmss=0.91 sec, Gp= 25°,
M-type=body wave magnitude (Mb), Version=7
Source
* USGS NEIC (WDCS-D)
Event ID us2010xwa7