A deeper delve.
Larsen remnants between A and B, unofficially referred to as the Seal Nunataks Ice Shelf, could calve any time without being very surprising. It is dependent on the ocean, surrounding ice and the weather as to when. It continues loosening grip regardless of when.
I attach a couple of long play Sentinel 1 IW HH animations as rough explorations. Ice flowing from the peninsula comes down from mountain slopes rather than through deep trough. On the western half of the images, most ice flow veers to fall southward to space vacated from Larsen B in the early 00's. On the Eastern half northward past the peaks, most flow falls into the bay vacated by Larsen A in the mid 90's. Rogosh Glacier used to flow across more volume at higher elevation eastward into the divide. Much of what flows down into the Larsen A remnant, is melt or rain water draining to the ocean beneath. The recent inner crack extensions appear to have been caused by thinning ice at the Rogosh tributary point by Cape Fairweather, increasing in velocity dropping with gravity at reduced feed less held back by Pedersen Nunatak, which will maybe need a name change to island. Since the tipping point, shockwave ripples still appear to flow through the shelf further expanding cracks. The once compacted thick ice has reduced in elevation in years since most compressing force detached and floated away. Ice that measured 200m thick quarter of a century ago could be much more than 50m thinner today.
The altering angles of sunlight can cause illusion of movement where they can be seen as portraying differing perspectives across the 3 dimensional space highlighting differing features at differing elevations. Multiple plays provide more information as many details are interesting to follow through time lapse. The first animation spans 2014 to present, and the second begins at 2016 from differing satellite orbital track. Images are mainly gathered over melt seasons when visuals are most vivid. Gamma is not consistent. The third gif reduces the images down to 10 for a simpler quick display of activity over recent years.
Some shelf ice may remain for years yet among the ancient front east nunatak cluster to Robertson Island. It may also probably soon shatter and float away. It isn't what it used to be. There used to be one Larsen Ice Shelf renowned for its floating area size before it broke into all notes in the key of C major. It more than half melted away, mostly as icebergs in distant warmer waters. Larsen collapse hardly impacts sea level as far as most can see. It's millimeters.
Of interest will be whether new weather regime could set in with wider ocean current and wind channels unsettling freeze. Waters may attract large icebergs that could get grounded for decades, which would be less interesting than what is happening to where the icebergs originate from. Less studied ice shelves and glacial tongues of greater consequence clearing from around the continental mainland bring bigger drama due to their larger ice catchment constrainment. Many a fragile precipice. Though soon due giant calvings of very old ice, much of Larsen may well outlast the precarious Brunt across the Weddle. Larsen collapses are not much of an indication of what will eventuate when more massive Antarctic ice shelves disappear. Maybe microcosm to thousandfold or millionfold. Seas are set to rise more rapidly through coming seasons as larger ice unsets. They rise where most people are settled. They rise where wars are fought over land that will be sea floor. They may rise as tsunamis upon where most nuclear technology is situated. Electronics and communications may go inaccessible, though largely cause of it. Larsen is lightweight.
