EQ History from 2000 to time of main shock
 Events are listed from geographic area 47.0999551 47.2999549 122.5332160 122.8665490
 Reference point in table is the mainshock of 200103010910

Distance and Azimuth from reference point to each earthquake
Reference point at Location   47.2037  122.7107

Event_Date___(UT) Depth  Mag  Dist(km)  Az(deg) Site Lat   Site Lon
2000 0212   00:51  22.7  1.0      10.4    112.9  47.1673   122.5850
2000 0924   10:03  19.9  1.1      11.0    153.9  47.1148   122.6468
2001 0228   18:54  51.9  6.8       6.2    191.3  47.1490   122.7267
2001 0228   23:45  26.0  1.2       3.4     47.3  47.2242   122.6782
2001 0301   09:10  52.0  3.4       0.0    142.9  47.2037   122.7107