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A study of blasting recorded in Southern California

Wood, Harry O. and Richter, Charles F. (1931) A study of blasting recorded in Southern California. Bulletin of the Seismological Society of America, 21 (1). pp. 28-46. ISSN 0037-1106. https://resolver.caltech.edu/CaltechAUTHORS:20140804-144339633

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Abstract

Seismographic registration of vibratory earth motion was begun with an experimental torsion seismometer assembly at the laboratories of the Mount Wilson Observatory in Pasadena, California, in January, 1923. Not long afterward a second assembly was put into experimental operation at the Norman Bridge Laboratory of Physics at the California Institute of Technology at Pasadena. With many small, experimental changes in design and adjustment, which led to change in constants and necessitated some interruptions, recording on an experimental basis continued for more than four years. However, in October, 1926, recording was begun with equipment of more permanent form at Riverside and, after a short time, at the Seismological Laboratory at Pasadena in March, 1927, and at Santa Barbara and at La Jolla in May, 1927. After the occupation of the Seismological Laboratory, the experimental recording at the laboratories of the Mount Wilson Observatory and at the Norman Bridge Laboratory of Physics was brought to a close in the course of a few months. In April, 1928, recording was begun at the Observatory on Mount Wilson; and in September, 1929, at Tinemaha, and at Haiwee, in the Owens Valley, Inyo County, California. stations, and the heights above sea-level, are given in Table I.


Item Type:Article
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http://bssa.geoscienceworld.org/content/21/1/28.full.pdf+htmlPublisherArticle
Additional Information:Copyright © 1931, by the Seismological Society of America. Received November 28, 1930.
Issue or Number:1
Record Number:CaltechAUTHORS:20140804-144339633
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140804-144339633
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47924
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:04 Aug 2014 21:59
Last Modified:03 Oct 2019 06:58

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