Word: seismographic
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Dates: during 1920-1929
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Italy. Mountainous Atlantic seas crashing against the Spanish coast and the Bay of Biscay sent subterranean jolts across Europe, down the backbone of Italy to waggle seismograph needles in the Catholic Observatory in Florence. In Sicily, Mount Etna sputtered in mild eruption...
...clock yesterday afternoon, the Harvard seismograph reported the tremors of an earthquake of moderate intensity within 200 miles or so of the vicinity of Boston. The actual force of the quake was spent in the first three minutes after it started, but the vibrations continued until about 5 o'clock in the afternoon. It was reported that a house in Malden was damaged by the shaking; and students in the laboratory of the University Museum were able to see the swaying of the towers above the Cruft High Tension Laboratory...
...great roaring in their ears. Houses fell. The earth swelled and cracked open beneath them. In a few moments the town was completely wiped out, 40 were killed, 100 injured, in the worst earthquake of recent South American times, an earthquake that shook the needle of Harvard's seismograph in New England almost 6,000 miles away, broke submarine telegraph cables off the coast of Norway. The outward focus of the disturbance was a new volcano which had burst like an inflamed earth carbuncle on the slopes of the Andes near San Carlos...
...earthquake of moderate intensity was recorded by the Harvard Seismograph a little after 4.10 o'clock Eastern Standard Time yesterday morning. According to the record, it lasted about two hours...
Artificial earthquakes will be produced in this region by employing dynamite blasts. The resulting vibrations, recorded on the seismograph, will aid in the possible discovery of submarine oil fields which are believed to be located in that region...