《Table 3.Summary of emailed stress-forecasts (SF) from University of Edinburgh (EU) to Iceland Meteo

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《Evidence supporting New Geophysics》

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*Bold-face font:seismic stations in the South Iceland Seismic Zone in SW Iceland.Regular-face font:seismic stations over 300 km to the north，near the Húsavík-Flatey Fault and the Grímsey Lineament.

The first two images in Figure 2，for the observed SWVA~1.5%to~4.5%，show that‘microcracks’are so closely-spaced in the Earth that they verge on failure（at fracture-criticality）and hence are critical-systems（Davies，1989a；Crampin and Peacock，2005，2008；Crampin and Gao Y，2013）.Fracture-criticality is the level of cracking at which rocks will fracture if there is any disturbance.The observed SWVA in Figure 2 shows that microcracks verge on fracture-criticality at SWVA just above 4.5%.We identify fracture-criticality with the percolation threshold，which for fluid-saturated stress-aligned microcracked rock is atε≈~0.05（~5%SWVA）（Crampin and Zatsepin，1997） .The behaviour of phenomena verging on failure at singularities（aka double-points，tipping-points，bifurcations，or the case of geophysics，fracture-criticality）imposes a range of fundamentally-new properties on conventional sub-critical physics that are part of a New Physics（Davies，1989b）.Hence the proposed New Geophysics（Crampin，2004，2006），reviewed by Crampin and Gao Y（2013）.For convenience，Supplementary Material briefly summarises New Geophysics and Table S1 lists some of the new properties imposed by the critically microcracked Earth.