The 10 historical earthquakes nearest to reference event 01081906173p
located at 48.2408 121.6312 that occurred prior to 01081906173p. 
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.

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NEAREST HISTORICAL EARTHQUAKES SORTED BY DISTANCE FROM REFERENCE EVENT

Year MoDy  Hr:Mn  Depth   Mag   Distance Azimuth      Event Location
           (UT)    (km)             (km)   (Deg)
1986 0328  04:12    2.3   3.6        7.9   285.6	     9.8 km   W of Darrington, WA
1990 0308  22:10    3.5   3.6       10.0   290.6	    11.8 km   W of Darrington, WA
1971 1123  02:12   24.8   4.1       17.3   118.5	    16.2 km  SE of Darrington, WA
1986 0210  18:04    0.0   3.9       28.8   307.3	    21.3 km  SW of Concrete, WA
1932 0718  06:01    0.0   5.7       29.6   205.2	    15.6 km  SE of Granite Falls, WA
1981 0315  07:23    5.3   3.6       30.0   159.9	    30.7 km SSE of Darrington, WA
1973 0904  17:56    4.9   3.7       30.1    91.5	    16.9 km NNW of Glacier Peak, WA
1955 0326  06:56    0.0   5.0       31.6   240.4	     3.0 km  NW of Granite Falls, WA
1915 0818  14:05    0.0   5.6       33.6    30.6	    26.1 km   E of Concrete, WA
1969 1110  07:38   33.0   4.6       35.5    14.6	    17.6 km   E of Concrete, WA

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NEAREST HISTORICAL EARTHQUAKES SORTED CHRONOLOGICALLY

Year MoDy  Hr:Mn  Depth   Mag   Distance Azimuth      Event Location
           (UT)    (km)             (km)   (Deg)
1915 0818  14:05    0.0   5.6       33.6    30.6	    26.1 km   E of Concrete, WA
1932 0718  06:01    0.0   5.7       29.6   205.2	    15.6 km  SE of Granite Falls, WA
1955 0326  06:56    0.0   5.0       31.6   240.4	     3.0 km  NW of Granite Falls, WA
1969 1110  07:38   33.0   4.6       35.5    14.6	    17.6 km   E of Concrete, WA
1971 1123  02:12   24.8   4.1       17.3   118.5	    16.2 km  SE of Darrington, WA
1973 0904  17:56    4.9   3.7       30.1    91.5	    16.9 km NNW of Glacier Peak, WA
1981 0315  07:23    5.3   3.6       30.0   159.9	    30.7 km SSE of Darrington, WA
1986 0210  18:04    0.0   3.9       28.8   307.3	    21.3 km  SW of Concrete, WA
1986 0328  04:12    2.3   3.6        7.9   285.6	     9.8 km   W of Darrington, WA
1990 0308  22:10    3.5   3.6       10.0   290.6	    11.8 km   W of Darrington, WA