On Friday, 11th march, 2011 Japan was struck by an earthquake of 8.9 in the Richter magnitude scale The undersea megathrust earthquake occurred on 11 March 2011 at 14:46 Japan StandardTime in the western Pacific Ocean, with its epicenter approximately 72 kilometers east of the Oshika Peninsula of Tōhoku, Japan, lasting approximately six minutes. The main earthquake was precededby a number of large foreshocks, and multiple aftershocks were reported afterwards. The quake was the most powerful to hit the island nation in recorded history.
The earthquake triggered extremelydestructive tsunami waves of up to 30 m. It wrought destruction along the Pacific coastline of Japan's northern islands, sweeping across rice fields, engulfing entire towns, dragging houses ontohighways, and tossing cars and boats like toys. The tsunami propagated across the Pacific, and warnings were issued and evacuations carried out in many countries bordering the Pacific.
The JapaneseNational Police Agency has officially confirmed 11,362 deaths, 2,872 injured, and 16,290 people missing[
The earthquake and tsunami caused extensive and severe structural damage inJapan, including heavy damage to roads and railways as well as fires in many areas, and a dam collapse.[
As for the consequences of this natural disaster we can tell that around 4.4 million householdsin northeastern Japan were left without electricity and 1.5 million without water. Many electrical generators were taken down, and at least three nuclear reactors suffered explosions due tohydrogen gas that had built up within their outer containment buildings after cooling system failure.
Estimates of the Tōhoku earthquake's magnitude make it the most powerful known earthquake to havehit Japan,
Japan's government said the cost of the earthquake and tsunami that devastated the northeast could reach $309 billion, making it the world's most expensive natural disaster on record.