The 10 historical earthquakes nearest to reference event 98100916422c
located at 46.2058 120.7217 that occurred prior to 98100916422c. 
The list includes events with magnitude (Mag) > 3.5 and gives distance
and azimuth  from the reference event to each historical earthquake.

Date is given in Universal Time (UT). Subtract 8 hours to get Pacific
Standard time (PST) or 7 hours for PDT. Azimuth is the compass
direction (measured clockwise from North, 0-360 degrees) of the
earthquake from the location of the reference event. Usually, depths
listed as 0.0 km are either unknown or very unreliable.

______________________________________________________________________
NEAREST HISTORICAL EARTHQUAKES SORTED BY DISTANCE FROM REFERENCE EVENT

Year MoDy  Hr:Mn  Depth   Mag   Distance Azimuth      Event Location
           (UT)    (km)             (km)   (Deg)
1997 1118  01:52   15.6   3.9       20.6   109.7	    50.4 km   S of Yakima, Wa
1981 0202  01:23    2.0   4.0       21.6   287.2	    38.8 km   E of Mount Adams
1983 1114  11:18    7.9   3.8       50.9    10.6	     9.4 km  NW of Yakima, Wa
1987 1202  07:12   18.2   4.1       52.3     3.2	    15.8 km  NW of Yakima, Wa
1987 1202  09:02   17.8   4.3       52.8     4.0	    15.4 km  NW of Yakima, Wa
1979 0728  02:19    0.0   3.7       52.8     9.0	    11.7 km  NW of Yakima, Wa
1988 0929  08:09   13.9   3.5       53.4   137.7	    55.0 km  SW of Prosser, Wa
1970 0911  02:20   18.1   3.5       55.5    26.0	    10.7 km  NE of Yakima, Wa
1967 0805  01:11   33.0   3.9       57.0   101.7	    21.5 km WSW of Prosser, Wa
1979 0217  08:36   18.1   3.6       61.1    94.1	    13.6 km WSW of Prosser, Wa

_____________________________________________________
NEAREST HISTORICAL EARTHQUAKES SORTED CHRONOLOGICALLY

Year MoDy  Hr:Mn  Depth   Mag   Distance Azimuth      Event Location
           (UT)    (km)             (km)   (Deg)
1967 0805  01:11   33.0   3.9       57.0   101.7	    21.5 km WSW of Prosser, Wa
1970 0911  02:20   18.1   3.5       55.5    26.0	    10.7 km  NE of Yakima, Wa
1979 0217  08:36   18.1   3.6       61.1    94.1	    13.6 km WSW of Prosser, Wa
1979 0728  02:19    0.0   3.7       52.8     9.0	    11.7 km  NW of Yakima, Wa
1981 0202  01:23    2.0   4.0       21.6   287.2	    38.8 km   E of Mount Adams
1983 1114  11:18    7.9   3.8       50.9    10.6	     9.4 km  NW of Yakima, Wa
1987 1202  07:12   18.2   4.1       52.3     3.2	    15.8 km  NW of Yakima, Wa
1987 1202  09:02   17.8   4.3       52.8     4.0	    15.4 km  NW of Yakima, Wa
1988 0929  08:09   13.9   3.5       53.4   137.7	    55.0 km  SW of Prosser, Wa
1997 1118  01:52   15.6   3.9       20.6   109.7	    50.4 km   S of Yakima, Wa