The 10 historical earthquakes nearest to reference event 99083123030o
located at 45.1863 120.0908 that occurred prior to 99083123030o. 
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)
1997 0322  06:05    0.8   3.9        2.2    56.5	    79.7 km   E of Maupin, OR
1976 1010  05:41   15.0   3.6       33.4   286.4	    46.8 km ENE of Maupin, OR
1975 0701  05:28   15.3   3.6       47.0     7.1	    69.6 km SSW of Prosser, Wa
1976 0408  10:15   15.0   3.8       56.1   266.7	    22.0 km   E of Maupin, OR
1976 0417  02:11   15.0   4.0       59.6   267.3	    18.4 km   E of Maupin, OR
1976 0413  00:47   15.0   4.6       61.7   258.8	    20.6 km ESE of Maupin, OR
1976 0409  09:11   15.0   3.5       62.6   272.5	    15.6 km ENE of Maupin, OR
1985 0210  20:29   18.4   3.9       67.8    31.6	    56.8 km   S of Prosser, Wa
1988 0929  08:09   13.9   3.5       75.0   349.9	    55.0 km  SW of Prosser, Wa
1964 0115  23:06   33.0   3.6       79.7     5.1	    38.6 km SSW of Prosser, Wa

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NEAREST HISTORICAL EARTHQUAKES SORTED CHRONOLOGICALLY

Year MoDy  Hr:Mn  Depth   Mag   Distance Azimuth      Event Location
           (UT)    (km)             (km)   (Deg)
1964 0115  23:06   33.0   3.6       79.7     5.1	    38.6 km SSW of Prosser, Wa
1975 0701  05:28   15.3   3.6       47.0     7.1	    69.6 km SSW of Prosser, Wa
1976 0408  10:15   15.0   3.8       56.1   266.7	    22.0 km   E of Maupin, OR
1976 0409  09:11   15.0   3.5       62.6   272.5	    15.6 km ENE of Maupin, OR
1976 0413  00:47   15.0   4.6       61.7   258.8	    20.6 km ESE of Maupin, OR
1976 0417  02:11   15.0   4.0       59.6   267.3	    18.4 km   E of Maupin, OR
1976 1010  05:41   15.0   3.6       33.4   286.4	    46.8 km ENE of Maupin, OR
1985 0210  20:29   18.4   3.9       67.8    31.6	    56.8 km   S of Prosser, Wa
1988 0929  08:09   13.9   3.5       75.0   349.9	    55.0 km  SW of Prosser, Wa
1997 0322  06:05    0.8   3.9        2.2    56.5	    79.7 km   E of Maupin, OR