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The break-up of the Banda slab

Plots of earthquake hypocentres on north-south swathes across the Banda Sea show that the northern and southern Wadati-Benioff Zones zones involve the same slab of subducted lithosphere. But can that scoop-shaped slab hang together?

Tomography and the Molucca Sea

Improvements in seismic tomography have allowed subducted slabs to be identified in the mantle even when they are no longer seismogenic. How well do tomographic models from different researchers compare?

The questions of Solomon

A paper from an unusual source has provided new ways of seeing the subduction of the oceanic crust of the Solomon Sea.

The shrinking of Adria

Adria, or at least that bit of it positioned near the top of the crustal stack, just got a little bit smaller. At about half past eight local time in the morning of the 9th of November 2022, a Magnitude 5.6 earthquake nucleated at a nominal depth of 10 km beneath the Adriatic sea near Ancona.

What was Adria?

Despite more than two hundred years of geological investigations, there are still huge unanswered questions regarding the Alps. Given my own geographical bias towards the extreme northern Adriatic, one question in particular dominates my thought. What was Adria?

A scientific hatchet job

Scientific debate can sometimes be carried on in a most unscientific fashion, even by the most reputable of scientists. An article by Professors Alice Roberts and Mark Maslin entitled “Sorry David Attenborough, we didn’t evolve from ‘aquatic apes’ – here’s why”, first published in Scientific American, is a good example.