Software: GeoMapApp useful geosciences mapping free software

GeoMapApp is an interactive portal displays whit a customized interface that allow showing earthquake epicentral locations Different parameters can be modified and animations saved saved in file .mov format. Created by the Marine Geoscience Data System group at Lamont-Doherty Earth Observatory of Columbia University. For more information about GeoMapApp see http://www.geomapapp.org

VIDEO: The 2010 Maule-Chile GREAT earthquake and its sequence of aftersocks

This video from Nathan Becker a specialist in tsunamis at the PTWC Hawaii, shows the seismic history of the great megathrust 2010 Maule earthquake, starting the January first. As it's known the 8.9 Mw mainshock occurred the February 27 and it was followed by a series of aftershocks with low to moderate magnitudes. Largest aftershock M=7.2 occurred the March 11. The animation shows the history during six months