EQ History from 2001 to time of main shock
 Events are listed from geographic area 42.1332917 42.3332915 121.7332206 122.0665536
 Reference point in table is the mainshock of 200205151754

Distance and Azimuth from reference point to each earthquake
Reference point at Location   42.2287  121.9032

Event_Date___(UT) Depth  Mag  Dist(km)  Az(deg) Site Lat   Site Lon
2001 0513   22:05   5.0  1.1       6.3     64.8  42.2528   121.8342
2001 1014   17:35   9.9  1.5       1.5    135.3  42.2192   121.8905
2001 1211   04:16   4.8  1.6      11.0    142.5  42.1502   121.8223
2002 0312   22:22   3.2  1.0      10.8    343.2  42.3220   121.9412
2002 0324   05:08   9.2  1.5       7.2    311.8  42.2717   121.9678
2002 0407   03:56   9.4  1.9       8.0     93.2  42.2247   121.8060
2002 0515   17:54   8.4  4.3       0.0    143.4  42.2287   121.9032