The 10 historical earthquakes nearest to reference event 11071603540c
located at 48.2482 121.6452 that occurred prior to 11071603540c. 
The list includes events with magnitude (Mag) > 4.0 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)
1971 1123  02:12   24.8   4.1       18.6   119.2	    16.2 km  SE of Darrington, WA
1932 0718  06:01    0.0   5.7       29.9   202.7	    15.6 km  SE of Granite Falls, WA
1955 0326  06:56    0.0   5.0       31.1   238.1	     3.0 km  NW of Granite Falls, WA
1915 0818  14:05    0.0   5.6       33.4    32.9	    22.5 km SSW of Newhalem, WA
1969 1110  07:38   33.0   4.6       35.0    16.6	    17.6 km   E of Concrete, WA
1989 0214  21:40    0.0   4.0       47.5   295.0	     8.1 km   S of Sedro Woolley, WA
1989 0306  03:09    0.1   4.2       48.0   295.1	     7.8 km   S of Sedro Woolley, WA
1928 0202  12:52    0.0   5.0       50.1   184.7	    21.3 km ESE of Monroe, WA
1945 0128  05:06    0.0   5.0       54.4   269.5	    20.0 km   S of Mount Vernon, WA
1996 0503  04:04    4.3   5.4       56.9   197.7	     8.5 km ENE of Duvall, 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       33.4    32.9	    22.5 km SSW of Newhalem, WA
1928 0202  12:52    0.0   5.0       50.1   184.7	    21.3 km ESE of Monroe, WA
1932 0718  06:01    0.0   5.7       29.9   202.7	    15.6 km  SE of Granite Falls, WA
1945 0128  05:06    0.0   5.0       54.4   269.5	    20.0 km   S of Mount Vernon, WA
1955 0326  06:56    0.0   5.0       31.1   238.1	     3.0 km  NW of Granite Falls, WA
1969 1110  07:38   33.0   4.6       35.0    16.6	    17.6 km   E of Concrete, WA
1971 1123  02:12   24.8   4.1       18.6   119.2	    16.2 km  SE of Darrington, WA
1989 0214  21:40    0.0   4.0       47.5   295.0	     8.1 km   S of Sedro Woolley, WA
1989 0306  03:09    0.1   4.2       48.0   295.1	     7.8 km   S of Sedro Woolley, WA
1996 0503  04:04    4.3   5.4       56.9   197.7	     8.5 km ENE of Duvall, WA