Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
icequake .
Etymologies
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Examples
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Research on the Swiss peak Weisshorn reveals that telltale tremors in a glacier, called icequakes, can alert scientists to an impending avalanche as much as two weeks before an event
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Research on the Swiss peak Weisshorn reveals that telltale tremors in a glacier, called icequakes, can alert scientists to an impending avalanche as much as two weeks before an event
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Seismic stations reveal a shocking increase in "icequakes" on Greenland, caused by a portion of an ice sheet lurching forward and grinding to a halt.
The Threat to the Planet Hansen, Jim 2006
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There are 184 icequakes listed, 136 of which received detailed analysis.
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If the increase in icequakes is due to rising air temperature, why have the icequake numbers not fallen from 2002 – 2005?
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Both of these are within 50 km or so of a large concentration of icequakes.
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In fact, when adjusted for autocorrelation, the trend in icequakes is not significantly different from zero … the pitfalls of short datasets.
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I suppose they are looking at older seismograph records, looking for weak-energy events icequakes.
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The annual number of these icequakes registering 4.6 or greater on the Richter scale doubled from 7 in 1993 to 14 in the late 1990s; it doubled again by 2005.
The Threat to the Planet Hansen, Jim 2006
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It only took a few minutes to check Google Scholar and learn that no earthquakes have been recorded in recent years near the Wilkins Ice Shelf, and that the icequakes which have been recorded are entirely consistent with the breakup of the 200 to 250 meter thick ice shelf.
RealClimate 2009
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