The 10 historical earthquakes nearest to reference event 99042808061o
located at 43.1707 120.3822 that occurred prior to 99042808061o. 
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)
1968 0530  00:35   22.0   5.1      103.1   154.8	   159.8 km   E of Klamath Falls, OR
1968 0604  02:38   25.0   4.0      106.9   152.6	   164.9 km   E of Klamath Falls, OR
1968 0624  11:03   33.0   4.2      107.5   155.4	   160.4 km   E of Klamath Falls, OR
1968 0605  08:20   33.0   4.0      107.7   155.1	   161.0 km   E of Klamath Falls, OR
1968 0604  03:35   33.0   4.1      107.8   151.3	   167.5 km   E of Klamath Falls, OR
1968 0604  05:52   34.0   4.0      108.4   154.7	   162.0 km   E of Klamath Falls, OR
1968 0605  05:12   33.0   4.4      109.0   152.4	   166.2 km   E of Klamath Falls, OR
1968 0605  07:37   33.0   4.0      109.3   159.1	   154.5 km   E of Klamath Falls, OR
1968 0605  04:51   25.0   4.6      109.4   162.8	   147.9 km   E of Klamath Falls, OR
1968 0604  02:34   25.0   4.6      111.6   157.7	   157.8 km   E of Klamath Falls, OR

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NEAREST HISTORICAL EARTHQUAKES SORTED CHRONOLOGICALLY

Year MoDy  Hr:Mn  Depth   Mag   Distance Azimuth      Event Location
           (UT)    (km)             (km)   (Deg)
1968 0530  00:35   22.0   5.1      103.1   154.8	   159.8 km   E of Klamath Falls, OR
1968 0604  02:34   25.0   4.6      111.6   157.7	   157.8 km   E of Klamath Falls, OR
1968 0604  02:38   25.0   4.0      106.9   152.6	   164.9 km   E of Klamath Falls, OR
1968 0604  03:35   33.0   4.1      107.8   151.3	   167.5 km   E of Klamath Falls, OR
1968 0604  05:52   34.0   4.0      108.4   154.7	   162.0 km   E of Klamath Falls, OR
1968 0605  04:51   25.0   4.6      109.4   162.8	   147.9 km   E of Klamath Falls, OR
1968 0605  05:12   33.0   4.4      109.0   152.4	   166.2 km   E of Klamath Falls, OR
1968 0605  07:37   33.0   4.0      109.3   159.1	   154.5 km   E of Klamath Falls, OR
1968 0605  08:20   33.0   4.0      107.7   155.1	   161.0 km   E of Klamath Falls, OR
1968 0624  11:03   33.0   4.2      107.5   155.4	   160.4 km   E of Klamath Falls, OR