An ice island broke free near the northern coast of Canada
Along the northern coast of Canada's Ellesmere Island. A Bermuda-sized ice island broke free from the Ward Hunt Ice Shelf earlier this month. According to LiveScience.
Excerpt: The fractures on the shelf in 2010 are immediately south and east of Ward Hunt Island, and a large chunk of ice appears to be floating free from the shelf immediately east-northeast of the island. Although the ice shelf appears larger west-northwest of Ward Hunt Island in 2010, the larger area of ice is due to sea ice temporarily attached and frozen to the ice shelf. South of the ice shelf, fjords that are covered with ice in 2002 are largely free of ice in 2010.
At roughly 21 square miles (54 square kilometers), the ice chunk that broke free from the Ward Hunt was much smaller than the ice island that calved from Greenland's Petermann Glacier a few weeks earlier, but in some ways, the Ward Hunt fracture was more significant.
At the dawn of the 20th century, glaciologists estimate, the northern coast of Ellesmere Island was lined by a continuous ice shelf covering roughly almost 3,500 square miles (8,900 square kilometers). A century later, the once-uninterrupted shelf had been reduced to a cluster of much smaller ice shelves, including the Ward Hunt. The Ward Hunt cracked in 2002, draining a freshwater lake that floated on top of denser seawater, and wiping out a unique microbial ecosystem. In 2008, another rapid breakup occurred.
This article was very vague and ambiguous to the facts at hand. It tells you that the Ward Hunt fracture was more significant but doesn't go into details as to why it is significant. I'm left thinking of post glacier rebound, Glacial loads have provided more than 30 MPa of vertical stress in northern Canada and more than 20 MPa in northern Europe during glacial maximum. This vertical stress is supported by the mantle and the flexure of the lithosphere. Since the mantle and the lithosphere continuously respond to the changing ice and water loads, the state of stress at any location continuously changes in time. The changes in the orientation of the state of stress is recorded in the postglacial faults in southeastern Canada. Source: Wu, P. (1996). "Changes in orientation of near-surface stress field as constraints to mantle viscosity and horizontal stress differences in Eastern Canada". Geophysical Research Letters 23: 2263–2266
Remember the earthquake back in June, well now low and behold two month later an ice glacier the size of Bermuda breaks off. As I did my own research, I found that according to the Mohr-Coulomb Theory of rock failure, large glacial loads generally suppress earthquakes, but rapid deglaciation promotes earthquakes. According to Wu & Hasagawa, the rebound stress that is available to trigger earthquakes today is of the order of 1 MPa. Source: Wu, P.; H.S. Hasegawa (1996). "Induced stresses and fault potential in Eastern Canada due to a realistic load: a preliminary analysis". Geophysical Journal International 127: 215–229. Link: http://onlinelibrary.wiley.com/doi/10.1111/j.1365-246X.1996.tb01546.x/abstract;jsessionid=980DF6E396E15CE18B12EBCA26DEDA86.d02t02
The term post-glacial rebound is gradually being replaced by the term glacial isostatic adjustment. This is in recognition that the response of the Earth to glacial loading and unloading is not limited to the upward rebound movement, but also involves downward land movement, horizontal crustal motion, changes in global sea levels, the Earth's gravity field, induce earthquakes and changes in the rotational motion. | Source: Wu, P.; W.R.Peltier (1984). "Pleistocene deglaciation and the earth's rotation: a new analysis". Geophysical Journal of the Royal Astronomical Society 76: 753–792.
My conclusion is that we will see more earthquakes, changes in sea levels and possible sinkholes, the earth is making changes and we need concise straight-forward information so we can make our own.