Dr. Whiteside, it might be easier to spot links between earthquakes using the data system I have developed. It says something about the Nebraska and Alaska earthquakes and also suggests that there may have been a link between the following ones:

2002/11/02 01:26:11 3.02N 96.18E 33.0 7.5 B NORTHERN SUMATRA, INDONESIA
2002/11/03 20:41:56 42.81N 98.91W 5.0 4.3 A NEBRASKA
(NEIS data)