The blue rectangle below indicates the range of archaeomagnetic intensity levels that would be expected for a site burned in 993 BCE. The red dot indicates the level that would be expected for the destruction of Beth-Shean if the Watch Tower Society's chronology were correct.
It is a little disappointing that there is a need to explain how to interpret a chart in this thread, but there are others in the thread who are excited that some words are similar to other words, so... 🤷♂️