Earthquakes, volcanic eruptions, fireballs are here discussed with, again, explanation on why fireballs obey to strict physical rules and demonstration that they are among other things the definitive explanation of the collapse of the Maya civilization in what was actually a sudden obliteration by a cluster of fireballs. Extractive development (what has been defined already by Acemoglu and Robinson) is what natural disasters come to rebalance ; extractive development leads to over-accumulation of typically weighty resources in a small area where they disrupt the crust and also represent particularly attractive beacons for fireballs. This is carefully demonstrated over a wide range of time with many examples.

gravitation, fireball events, earthquakes, volcanic eruptions, natural disasters, Maya civilization, geophysics, economics, black holes, economic collapse, seismology, Volcanology, astrophysics, bolides, Tunguska