USAF position on 1991-1992 "skyquakes" over southern California

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Message posted by Vahe Demirjian (Member since 04/28/2022) on November 08, 2023 at 20:09:50 PST:

Not too long after "skyquakes" began to be reported over southern California in June 1991, the Massachusetts Institute of Technology's Lincoln Laboratory, under contract from the US Air Force, analyzed one of these seismographic readings for the "skyquakes" detected by the US Geologic Survey and concluded that it was caused by a US Navy fighter on an air defense flight test mission. However, on page 91 of his book "Aurora: The Pentagonís Secret Hypersonic Spyplane", Bill Sweetman cast doubt on this conclusion by saying that MIT's analysis did not explain repeated readings from sensors more than 80 miles inland and that the USAF's first statement on the "skyquakes" over southern California referred to an analysis of just one of the boom events, although later statements by the US Air Force concluded that all the "skyquakes" over southern California were caused by Navy sorties.

Are there any research papers published in the 1990s and early 2000s addressing statements by the US Air Force in the 1990s that the so-called "skyquakes" heard over southern California in 1991-1992 were caused by US Navy jet fighter sorties? I should also mention that even though another "skyquake" was detected over Los Angeles on November 17, 1993, CalTech concluded that none of the military bases in southern California operating supersonic aircraft had any supersonic sorties to which this sonic boom could be tied.


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