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Studies of sonic booms with seismic networks

Sturtevant, Bradford and Cates, Joseph E. and Kanamori, Hiroo (1995) Studies of sonic booms with seismic networks. Journal of the Acoustical Society of America, 97 (5, Pt. 2). p. 3257. ISSN 0001-4966. doi:10.1121/1.411680.

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Seismographs are sufficiently sensitive to detect ground motions induced by atmospheric pressure waves, so seismic networks have the potential to monitor sonic booms over large areas of the United States. They are especially well suited for the analysis of long‐range sonic‐boom propagation. Ground motion or displacement data provide accurate arrival times and useful estimates of wave amplitude and waveform. The instrumentation is most sensitive to the disturbance produced by the arrival of sonic booms at the measuring station, thus serving as sonic‐boom event recorders, but seismographs have also detected seismic waves remotely generated by anomalous coupling of sonic boom into soil. Direct and indirect sonic booms from aircraft operations are routinely detected by the Southern California Seismic Network which consists of 250 seismic stations covering 50 000 sq km. Indirect booms from space shuttle landings has been observed at ranges of hundreds of kilometers from the flight path. Data from the network identified ‘‘mystery booms’’ heard in 1992–93 to be long‐range indirect sonic booms from offshore operations. Sonic booms generated by space shuttle reentry at Mach 20 and by meteoritic entries into the atmosphere have been detected by seismic networks in the Northwest and Canada.

Item Type:Article
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Kanamori, Hiroo0000-0001-8219-9428
Additional Information:© 1995 Acoustical Society of America.
Group:Seismological Laboratory
Issue or Number:5, Pt. 2
Record Number:CaltechAUTHORS:20170203-125238729
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:74028
Deposited By: George Porter
Deposited On:03 Feb 2017 21:06
Last Modified:11 Nov 2021 05:24

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