EQ History from 2008 to time of main shock
 Events are listed from geographic area 47.0999551 47.2999549 123.0665488 123.3998818
 Reference point in table is the mainshock of 200910010309

Distance and Azimuth from reference point to
 each earthquake
Reference point at Location   47.1900  123.2270

Event_Date___(UT) Depth  Mag  Dist(km)  Az(deg)
 Site Lat   Site Lon
2009 0410   19:50  40.1  1.3       7.8      3.7  47.2597   123.2203
2009 0623   20:44   0.0  1.1      11.3    111.8  47.1523   123.0892
2009 1001   03:09  40.5  3.4       0.0    161.0  47.1897   123.2268