Earthquakes in the Light of the New Seismology |
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Page 13
... like waves at sea , but of less height and moving much more swiftly . The sound becomes a roar . It is difficult to stand , and at length it becomes impossible to do so . The victim flings himself to the NATURE AND DEFINITIONS 13.
... like waves at sea , but of less height and moving much more swiftly . The sound becomes a roar . It is difficult to stand , and at length it becomes impossible to do so . The victim flings himself to the NATURE AND DEFINITIONS 13.
Page 89
... moving ribbon of paper , or upon a revolving circular plate . Bear in mind that each pendulum traces only one component of the motion , and that one which is perpen- dicular to its own strut . The two components constitute the entire ...
... moving ribbon of paper , or upon a revolving circular plate . Bear in mind that each pendulum traces only one component of the motion , and that one which is perpen- dicular to its own strut . The two components constitute the entire ...
Page 91
... moving ribbon . As regards the remaining parts of the seismograph , which are numerous and complex , it may be said that they are , in general , for the purpose of making the foregoing devices effective in writing out upon a ribbon of ...
... moving ribbon . As regards the remaining parts of the seismograph , which are numerous and complex , it may be said that they are , in general , for the purpose of making the foregoing devices effective in writing out upon a ribbon of ...
Page 93
... moving ribbon , so that the time corresponding to any particular co - ordinate of motion can be known to the fraction of a second by counting the marks back to the beginning . Experience with the seismograph has been , on the whole ...
... moving ribbon , so that the time corresponding to any particular co - ordinate of motion can be known to the fraction of a second by counting the marks back to the beginning . Experience with the seismograph has been , on the whole ...
Page 94
... moving ribbon of paper , and with excellent results . The only objection to it is that when the earth- quake lasts longer than the time of one revolution of the plate the traces of the later portion of the quake overlie those of the ...
... moving ribbon of paper , and with excellent results . The only objection to it is that when the earth- quake lasts longer than the time of one revolution of the plate the traces of the later portion of the quake overlie those of the ...
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Common terms and phrases
acceleration after-shocks alluvia amplitude Arica axis cause centre centrum CHAPITRE Charleston earthquake Charleston Quake coast cracks curves degree density depth dislocation displacement distance district disturbance downthrow earth earth-mass earthquakes elastic energy epicentre epicentrum epifocal eruption estimates fact felt force frequency greater ground Hooke's law Horizontal Pendulum hundred increases indicate inferred instruments intensity investigation Japan kilometres kilometres per second Krakatoa less lever mass means measure miles Milne's minutes Montessus movement normal wave number of quakes observed occur ocean Omori origin oscillation particle period phase portion preliminary tremor Professor Milne proportional ratio records ribbon Robert Mallet rocks Rossi-Forel scale sea-waves seaquakes Seismes seismic seismic regions seismograph Seismological seismometer shaken shock speed of propagation square square kilometres steady-point surface syzygies tectonic tilting tion Tokio Totaux trace transverse wave velocity vertical motion Vertical Pendulum vibrations Vicentini volcanic volcanic action
Popular passages
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Page 312 - The Basis of Social Relations. A Study in Ethnic Psychology. By DANIEL G. BRINTON, AM, MD, LL.D., Sc.D., Late Professor of American Archaeology and Linguistics in the University of Pennsylvania ; Author of " History of Primitive Religions," "Races and Peoples," " The American Race,
Page 313 - Recent Theories of Evolution. By J. MARK BALDWIN, Princeton University. The Reproduction of Living Beings. By Professor MARCUS HARTOG, Queen's College, Cork. Man and the Higher Apes. By Dr. A. KEITH, FRCS Heredity. By J. ARTHUR THOMPSON, School of Medicine, Edinburgh. Life Areas of North America: A Study in the Distribution of Animals and Plants. By Dr. C. HART MERRIAM, Chief of the Biological Survey, US Department of Agriculture. Age, Growth, Sex, and Death. By Professor CHARLES S.
Page 311 - The book is cleverly written and is one of the best works of its kind ever put before the public. It will be interesting' to all readers, and especially to those interested in the study of science.
Page 313 - The following volumes are in preparation : Meteors and Comets. By Professor CA YOUNG, Princeton University. The Measurement of the Earth. By Professor CT MENDENHALL, Worcester Polytechnic Institute, formerly Superintendent of the US Coast and Geodetic Survey. Earthquakes. By Major CE DUTTON, USA The History of Science.
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Page 312 - ... anthropological theories. No one seems to have been better acquainted with the very great body of facts represented by these sciences.*, — Am, Journal of Sociology, II.
Page 167 - Overthrow of movable objects; fall of plaster; ringing of church bells; general panic, without damage to buildings.
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Page 167 - Microseismic shock: recorded by a single seismograph or by seismographs of the same model, but not by several seismographs of different kinds ; the shock felt by an experienced observer.