50 ft seems a little large for plate tectonics , plates move on the order of a centimeter per year [1].
(similar to fingernail growth!)
[1] https://oceanservice.noaa.gov/facts/tectonics.html
https://www.icsm.gov.au/gda2020/what-changing-and-why
I'm sure the plate has drifted since the 2020 update and another update deployed when appropriate.