5 Earthquakes 6.3 to 3.0
The chart this is from has up to 13 earthquakes in one day in the last seven days.
http://neic.usgs.gov/neis/bulletin/
2 Earthquakes, actually 7 occurred 6.0 to 3.3
Magnitude 5.6 PAGAN REG., N. MARIANA ISLANDS 2004 February 22 23:17:16 UTC
1 Earthquake, actually 6 occurred 6.6 to 2.8
Magnitude 6.6 EAST OF THE SOUTH SANDWICH ISLANDS 2004 February 21 02:34:42 UTC