Disclaimer Applies.....
There is no guarantee of these quakes occurring as predicted...nor this theory is endorsed by any international organization like USGS..
For the first two dates ,if I want to be more specific it is like this
1) 1st June 2023...if the quake occurs at.06.00 UTC ...then locations could be at
128 W or 52 E
or
90 E or 90 W ...( with 10 degree longitudes margin)
Also Sun /Moon Rising /setting locations
2)4th June 2023...if occurs at 03.30 UTC then locations could be
53 W or 127 East ..with 10 degree longitudes margin
or
at locations where Sun/Moon are rising or setting with twilight zone margin