 | Henry Woodward - Geology - 1882 - 640 pages
...here presented. Mr. Mallet recognizes two ways in which bodies may be twisted on their bases. (1.) " By the action of a single shock, when the centre of...centre of gravity and the line of the wave-path." (2.) By the conjoint action of two closely successive shocks in diflerent directions. The second shock... | |
 | Henry Woodward - Geology - 1882 - 634 pages
...here presented. Mr. Mallet recognizes two ways in which bodies may be twisted on their bases. (1.) " By the action of a single shock, when the centre of...centre of gravity and the line of the wave-path." (2.) By the conjoint action of two closely successive shocks in different directions. The second shock... | |
 | Richard Dixon Oldham - Earthquakes - 1899 - 528 pages
...distinct trains of earthquake causation, by either of which bodies may be twisted on their bases. First, by the action of a single shock, when the centre of...the centre of gravity, and the line of the wavepath. Second, by the conjoint action of two closely successive shocks. By the first shock, the body is tilted... | |
| |
Now there are two distinct trains of earthquake causation, by either of which bodies may be twisted on their bases. First, by the action of a single shock, when the centre of adherence of the base of the object, lies to one side or other of the vertical... 