What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
amplitude April 21 Berkeley Bldg Branner Bulletin Calexico Calexico 32 41 California Canyon coast College County cracks creaked Creek damage dishes distance disturbance duration earth earthquake occurred earthquake of April earthquake shock earthquake was felt east epicenter eruption feeble shock feet Galitzin Geological Hemet Homer Hamlin Imperial Valley intensity July June Library magnetic magnetograph Mass miles minutes mountain noise northwest Observatory observed Ottawa Otto Klotz Owens Valley Palo Alto pendulum persons at rest places quake recorded region rocks Rossi-Forel scale rumbling sound S. D. Townley San Francisco San Jacinto fault San Jacinto River San Jacinto Valley Santa Barbara seconds seismic seismographs Seismological Seismological Society shock was felt shocks were felt Sierra slight shock Society of America southeast southern Stanford University stations strong shock Tejon Pass tion Tondorf trembling motion U. S. Weather Bureau velocity volcano Washington waves windows rattled
Page 120 - Recorded by a single seismograph, or by some seismographs of the same model, but not by several seismographs of different kinds ; the shock felt by an experienced observer.
Page 71 - Mathematics may be compared to a mill of exquisite workmanship, which grinds you stuff of any degree of fineness ; but, nevertheless, what you get out depends on what you put in ; and as the grandest mill in the world will not extract wheat-flour from peascods, so pages of formulae will not get a definite result out of loose data.
Page 90 - General awakening of those asleep ; general ringing of house bells ; oscillation of chandeliers ; stopping of pendulum clocks ; visible agitation of trees and shrubs ; some startled persons leave their dwellings. VII. Strong shock : Overthrow of movable objects ; fall of plaster ; ringing of church bells ; general panic, without damage to buildings. VIII. Very strong shock : Fall of chimneys ; cracks in walls of buildings. IX. Extremely strong shock : Partial or total destruction of some buildings....
Page 44 - 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.
Page 126 - Recorded by several seismographs ol different kinds ; felt by a small number of persons at rest. III. Very feeble shock : Felt by several persons at rest ; strong enough for the direction or duration to be appreciable. IV. Feeble shock : Felt by persons in motion ; disturbances of movable objects, doors, windows ; creaking of ceilings. V. Shock of moderate intensity : Felt generally by every one ; disturbance of furniture, beds, &c.
Page 120 - Shock of moderate intensity : Felt generally by everyone ; disturbance of furniture, beds, etc. ; ringing of swinging bells.
Page 104 - The first shock was on November 1 between 9:15 and 9:30 AM This was the most severe and lasted several seconds; it shook goods from the shelves and caused landslides for several miles along the hills. We have had on an average about three shocks every twenty-four hours since, but lighter.
Page 8 - Fairly strong shock: general awakening of those asleep; general ringing of house bells ; oscillation of chandeliers ; stopping of pendulum clocks ; visible agitation of trees and shrubs ; some startled persons leave their dwellings. VII. Strong shock: overthrow of movable objects; fall of plaster: ringing of church bells ; general panic, without damage to buildings. VIII.
Page 67 - In the absence of the President the meeting was called to order by the Secretary at 7:05 pm, and Dr.
Page 35 - Every night flames of fire were observed streaming from the mountain; and the eruption which attended them, did no small damage to the inhabitants of the Lower Ostrog. Since that year no flames have been seen; but the mountain emits a constant smoke. The same phenomenon is also observed upon another mountain, called Tabaet Skinskain.