Archive for December, 2016
A strong undersea earthquake (M6.5) rocked Indonesia’s Aceh province early on Wednesday, killing at least 54 people
Wednesday, December 7th, 2016USGS: The plate boundary southwest of Sumatra is part of a long tectonic collision zone that extends over 8000 km from Papua in the east to the Himalayan front in the west. The Sumatra-Andaman portion of the collision zone forms a subduction zone megathrust plate boundary, the Sunda-Java trench, which accommodates convergence between the Indo-Australia and Sunda plates. This convergence is responsible for the intense seismicity and volcanism in Sumatra.