WebMar 11, 2011 · The earthquake and tsunami. The magnitude-9.0 earthquake struck at 2:46 pm. (The early estimate of magnitude 8.9 was later revised upward.) The epicentre was located some 80 miles (130 km) east of the city of Sendai, Miyagi prefecture, and the focus occurred at a depth of 18.6 miles (about 30 km) below the floor of the western Pacific … WebNov 23, 2016 · A tsunami is a series of waves, not just a single wave. In the open ocean, tsunami waves can travel at speeds up to 800 km per hour or 500 mi. per hour, as fast as …
Tsunami - Wikipedia
WebThe deeper the water, the greater the speed of tsunami waves will be. For example, at the deepest ocean depths the tsunami wave speed will be as much as 800 km/h, about the same as that of a jet aircraft. Since the average depth of the Pacific ocean is 4000 m (14,000 feet) , tsunami wave speed will average about 200 m/s or over 700 km/h (500 mph). WebThe wavelength of a tsunami at sea travels quickly at hundreds of miles per hour, and will likely be tens of kilometers long, said Dr. Scott Miller, research associate at the State University of... park slope alliance health
Indian Ocean tsunami: Then and now - BBC News
WebA normal wind wave travels at about 90kmh, but a tsunami can race across the ocean at an incredible 970kmh! Sometimes, before a tsunami hits, there is a huge vacuum effect, sucking water from harbours and beaches. People can see the ocean floor littered with flopping fish and other sea animals. Web1 day ago · A strong earthquake shook parts of Indonesia's main island of Java and tourist island of Bali on Friday, causing panic but there were no immediate reports of serious damage or casualties. The US Geological Survey said the magnitude 7.0 quake was centred 96.5 kilometres (59.8 miles) north of Tuban, a coastal city in East Java province, at a ... WebDec 25, 2014 · Ten years after the 2004 Indian Ocean tsunami, imagery shows how affected towns and villages have been rebuilding their shattered communities. park slope 8th and 8th