L. J. Mitchell, superintendent of Glacier Bay National Monument of which Lituya Bay is a part, says records show a 400 foot tidal wave in the bay was verified in 1936, and a 395 foot one recorded in 1853 or 1854. It caused significant geologic changes in the region, including areas that experienced uplift and subsidence. Six years later, the magnitude 9.2 Great Alaska earthquake would trigger landslide tsunamis across southern Alaska, accounting for many of the deaths from that … The tsunami inundated approximately 5 square miles of land along the shores of Lityua Bay, sending water as far as 3,600 feet inland, and clearing millions of trees.You can see the damage to the trees that were growing on the headland when the wave washed over the top of it - there were no trees left...wiped clean off. It must have risen several hundred feet. It does, however, highlight the importance of documenting such events for posterity, and to consider such extreme events when making development decisions for coastal areas in areas with high seismicity or vulnerability to tsunamis.USC Tsunami Research Group: 1958 Lituya Bay TsunamiDisaster Pages of Dr. George PC: “The Mega-Tsunami of July 9, 1958 in Lituya Bay, Alaska”BBC Nature: Mega Tsunami – Alaskan Super Wave – Amazing Survival Damage from 1958 Lituya Bay tsunami. That went on for a little while—it's hard to tell just how long—and then suddenly the glacier dropped back out of sight and there was a big wall of water going over the point. Lituya Bay is a fjord located on the Fairweather Fault in the northeastern part of the Gulf of Alaska. The tsunami reached a height of 524 metres, and was the largest ever recorded. They came off the glacier like a big load of rocks spilling out of a dump truck. The earthquake was so strong, and the tsunami came so quickly, that there was not time to get to a safe place.
In some respects, it created a similar reaction to that which would have occurred if an asteroid had fallen into the water.Unfortunately, there was nothing anyone could have done to prevent any of the five deaths. Above: The stump of a living tree broken off by the wave at the mouth of Lituya Bay, about 7 miles from where the wave originated. In other words, 60 years after the Lituya Bay tsunami, we are still working out how it happened.
Tree-lined shoreline, seen in August 1958, stripped bare by the tsunami that occurred in Lituya Bay, Alaska, USA, on 9 July 1958. On July 10, 1958, a magnitude 7.7 earthquake occurred on the Fairweather Fault in southeast Alaska.
They are each about 12 miles (19 km) long and 1 mile (1.6 km) wide with an elevation of 4,000 feet (1,200 m). On July 10, 1958, a magnitude 7.7 earthquake occurred on the Fairweather Fault in southeast Alaska. The two arms that create the top of the T-shape of the bay are the Gilbert and Crillon inlets and are a part of a trench on the Fairweather Fault. Neither water drainage from a lake, nor landslide, nor the force of the earthquake itself led to the megatsunami, although all of these may have contributed.
Per "Book of World Records 2008" A 1,720 ft high tsunami wave crashed down in Lituya Bay on July 9, 1958. People shake their heads when I tell them I saw it that night. Almost immediately after the earthquake and the giant rockfall of July 9, 1958 at the head of Lituya Bay, a massive mega-tsunami wave splashed to a maximum height … Lituya Bay has a history of megatsunami events, but the 1958 event was the first for which sufficient data was captured at the time.
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lituya bay tsunami damage