On Friday 11 Walk 2011 at 14:46:24, a seismic tremor of extent 9.0 on the Richter scale happened. It was at where the Pacific structural plate slides underneath the North American plate. The focal point was 30 kilometers beneath the Pacific Sea seabed and 129 km off the east bank …

On March 11 2011, an earthquake which measured 9.0 on the Richter scale became the biggest earthquake in recorded history to hit Japan. The earthquake was caused when the Pacific Plate thrusted underneath the North American Plate.

The earthquake itself, although much bigger than usually seen in Japan, was prepared …