Hi Canie,

I wonder if this means anything?

2001/05/06 13:50:14 23.84N 108.74W 10.0 4.5 A GULF OF CALIFORNIA
2001/05/06 10:11:59 23.94N 108.67W 10.0 4.5 A GULF OF CALIFORNIA
2001/05/05 18:06:55 14.79N 93.57W 33.0 5.0 A NEAR COAST OF CHIAPAS, MEXICO
2001/05/04 23:57:15 23.97N 108.85W 10.0 4.4 A GULF OF CALIFORNIA
2001/05/04 16:07:57 24.08N 108.70W 10.0 4.7 A GULF OF CALIFORNIA
2001/05/04 10:19:33 14.05N 92.50W 33.0 4.3 A NEAR COAST OF CHIAPAS, MEXICO

Makes one wonder what's happening next. I don't recall see two sets of twins in the same place in a week. But maybe it happens far more often than I know.

Petra