EQ History from 2003 to time of main shock
 Events are listed from geographic area 45.9332910 46.1332908 118.8665519 119.1998849
 Reference point in table is the mainshock of 200402280201

Distance and Azimuth from reference point to each earthquake
Reference point at Location   46.0370  119.0220

Event_Date___(UT) Depth  Mag  Dist(km)  Az(deg) Site Lat   Site Lon
2004 0227   22:50  10.0  1.0       2.3    343.4  46.0565   119.0303
2004 0228   02:01   0.6  3.3       0.0    306.3  46.0372   119.0223