An aperiodic summary of recent news stories about the soundscape. Military jets staged a mock battle in the air 100 miles off the Oregon coast which caused sonic booms heard from Astoria to the north to Albany 160 miles south. The article notes the earth shook for 20 seconds after the boom in Astoria. We're really sorry for scaring anybody, and hope things are getting back to normal.
Government officials await further studies.
And the risk for hearing loss doubles with each five-dB increase.