this post was submitted on 25 Sep 2023
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There is always an error. The important thing (apart from eliminating bias) is to know the magnitude. Radio chronological analysis is well understood and laboratories can reliably report the magnitude of the error (or more specifically the uncertainty) accompanying any determination of age. But news articles rarely publish it.
In this case the age is quoted as "at least 476,000 years" so we can infer a precision estimate of plus or minus 1,000 years.