Earthquakes in the Light of the New Seismology |
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Page 7
... and applied it with remark- able ingenuity to the actual phenomena . The advance of the science has in the meantime greatly modified Mallet's methods and conclusions , but the powerful impetus he gave NATURE AND DEFINITIONS 7.
... and applied it with remark- able ingenuity to the actual phenomena . The advance of the science has in the meantime greatly modified Mallet's methods and conclusions , but the powerful impetus he gave NATURE AND DEFINITIONS 7.
Page 8
Clarence Edward Dutton. methods and conclusions , but the powerful impetus he gave to the study marks his work as an epoch - making one in seismology . The vibratory character of the phenomenon , however , had always been recognised ...
Clarence Edward Dutton. methods and conclusions , but the powerful impetus he gave to the study marks his work as an epoch - making one in seismology . The vibratory character of the phenomenon , however , had always been recognised ...
Page 13
... powerful . walls crack open . A sudden lurch throws out the front wall into the street , or tears off or shakes down in rubble the whole corner of the building . Then comes a longer swaying motion , not like a ship at sea , but more ...
... powerful . walls crack open . A sudden lurch throws out the front wall into the street , or tears off or shakes down in rubble the whole corner of the building . Then comes a longer swaying motion , not like a ship at sea , but more ...
Page 24
... powerful class than in the moderate and feeble ones . It remains to glance briefly at the tidal theory . That the forces exerted upon the earth by the moon , and their varia- tions through the different parts of her orbit , might ...
... powerful class than in the moderate and feeble ones . It remains to glance briefly at the tidal theory . That the forces exerted upon the earth by the moon , and their varia- tions through the different parts of her orbit , might ...
Page 45
... by a powerful shock on Feb. 2 , 1828 , and Lyell , in his Principles of Geology , mentions seeing the houses in ruins the following year . the crests of the waves , which closed together in QUAKES OF VOLCANIC ORIGIN 45.
... by a powerful shock on Feb. 2 , 1828 , and Lyell , in his Principles of Geology , mentions seeing the houses in ruins the following year . the crests of the waves , which closed together in QUAKES OF VOLCANIC ORIGIN 45.
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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
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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,
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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.