EQ History from 2001 to time of main shock
 Events are listed from geographic area 47.2999558 47.4999557 121.6332145 121.9665475
 Reference point in table is the mainshock of 200207220727

Distance and Azimuth from reference point to each earthquake
Reference point at Location   47.4090  121.7850

Event_Date___(UT) Depth  Mag  Dist(km)  Az(deg) Site Lat   Site Lon
2001 0107   02:04  19.1  1.7       3.8    312.1  47.4320   121.8225
2001 0306   06:33  23.0  2.2      15.2    240.0  47.3407   121.9587
2001 0307   14:08  18.1  1.6       3.8    274.8  47.4118   121.8348
2001 0406   11:16  19.6  1.7       9.8    347.3  47.4952   121.8137
2001 0713   01:37  18.9  1.9       7.9    339.9  47.4758   121.8210
2001 0911   07:12  16.7  1.3       7.3     58.5  47.4435   121.7020
2001 1212   01:35  18.4  1.4       7.5     11.1  47.4752   121.7658
2002 0116   14:47  11.8  1.8       8.4     23.2  47.4787   121.7410
2002 0222   09:39  20.4  1.7       3.1    226.4  47.3895   121.8152
2002 0326   21:02  27.9  1.4       0.5    238.5  47.4065   121.7910
2002 0412   16:54  21.2  1.0       8.4    342.6  47.4808   121.8182
2002 0615   15:01  17.8  2.2       7.7    355.5  47.4782   121.7930
2002 0722   07:27  28.1  3.1       0.3     90.0  47.4090   121.7815
2002 0722   07:27  28.0  3.1       0.0     90.0  47.4090   121.7848