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originally posted by: opethPA
originally posted by: C84K2
CNN is reporting it was possibly North Korea testing a H-bomb.
link
That is not what CNN reported at all...
CNN makes this claim with the opening sentence of the arcticle you linked, "The U.S. now believes North Korea might have attempted to test components of a hydrogen bomb on January 6,"
originally posted by: Zaphod58
a reply to: soekvg
Sonic booms can be felt hundreds of miles away depending on conditions. The fighters causing the booms would have been out of Oceana, Pax River, Otis, or Langley most likely.
originally posted by: Zaphod58
a reply to: luthier
At 60,000 feet the Concorde sonic footprint would cover 75-100 miles. Farther if it was over water and conditions were right. During winter months of 1976-1978, secondary booms from the Concorde flights were monitored in northern Sweden, 3,000 miles away from where the Concorde flights were going from Europe to the US.
originally posted by: Zaphod58
a reply to: luthier
The shape of the aircraft makes all the difference as to how far the effects are felt. We had F-4 Phantoms in Hawaii in the 80s, and in the 30,000 foot range, they were feeling the effects from them as far as 150 miles when conditions were right.