EQ History from 2010 to time of main shock
 Events are listed from geographic area 46.5999551 46.7999549 121.4998832 121.8332162
 Reference point in table is the mainshock of 201104061745

Distance and Azimuth from reference point to
 each earthquake
Reference point at Location   46.7100  121.6630

Event_Date___(UT) Depth  Mag  Dist(km)  Az(deg)
 Site Lat   Site Lon
2010 0127   21:21   5.3  1.3      16.3    227.1  46.6103   121.8185
2010 0516   10:47   5.6  1.9      12.1    217.4  46.6232   121.7592
2010 0523   19:42  12.6  1.3      13.1    255.1  46.6797   121.8278
2010 0914   15:12   9.7  1.0      15.4    231.6  46.6240   121.8205
2011 0406   17:45   6.4  3.4       0.0    215.1  46.7098   121.6632