EQ History from 1997 to time of main shock
 Events are listed from geographic area 46.0999551 46.2999549 120.5332160 120.8665490
 Reference point in table is the mainshock of 9810100430

Distance and Azimuth from reference point to each earthquake
Reference point at Location   46.2047  120.7007

Event_Date___(UT) Depth  Mag  Dist(km)  Az(deg) Site Lat   Site Lon
1998 0915   20:47  20.6  1.4      14.5    300.7  46.2712   120.8625
1998 1009   16:43   3.2  4.0       0.6    259.0  46.2037   120.7083
1998 1010   04:30   3.6  3.2       0.0    148.3  46.2047   120.7007