Journal Article
Ground Shock and Water Pressures from Milrow
Melvin L. Merritt
BioScience
Vol. 21, No. 12 (Jun. 15, 1971), pp. 696-700
Published
by: Oxford University Press on behalf of the American Institute of Biological Sciences
DOI: 10.2307/1295751
https://www.jstor.org/stable/1295751
Page Count: 5
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Topics: Overpressure, Water pressure, Shock waves, Sea water, Canisters, Acceleration measurement, Wave reflection, Seas, Pressure pulses
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Abstract
Shock waves in rock at Amchitka were similar to shock waves from shots fired in dense rock at Nevada. Peak vertical accelerations were 35 g at surface zero, 8 g at 1300 m (the nearest seawater), and 1 g at 6000 m. Sea-floor motion and resultant overpressure in water produced wave forms that show clear effects of multiple reflection in the water. In less than 55 m of water, and at gages shallower than 55 m, pressure decreased proportionately. At the water surface, overpressure was almost nil.
BioScience © 1971 American Institute of Biological Sciences