There were 2 incredibly lucky fishermen in their boat on the Bay when the megatsunami happened, and they lived to tell about it. displacing far more water than just the volume of the rock. A little after midnight, a boat responding to Ulrich's mayday calls found and rescued the Swansons. Lituya Bay is a fjord located on the coast of the south-east part of the U.S. state of Alaska. Two people fishing in the bay were killed, but another boat amazingly managed to ride the wave. Don Miller, the geologist, was on a USGS barge in Glacier Bay when the earthquake struck. Twenty-one of his men perished in the tidal current in the bay. When Miller returned to study the effects of the wave, he measured the highest trimline more precisely at 1,720 feet. 1958 Lituya Bay This earthquake is also remembered because of the mega tsunami that followed it, killing lots of people. The boat rode over the crest of the wave, down its shallower tailing side, and was carried by a returning wave towards the center of the bay. Lituya Bay Oblique aerial photograph of Lituya Bay in the summer of 1958. They flew over rafts of logs fanning out in the open water as far as five miles from the mouth of the bay. Howard Ulrich had brought his seven-year-old son along on the Edrie. Ulrich was awakened by the shaking and went up on deck. The bay was noted in 1786 by Jean-François de Lapérouse, who named it Port des Français. As the wall of water rushed down the inlet, Ulrich found that that his anchor was hopelessly stuck. The Sunmore and Badger were each crewed by married couples. On July 10, 1958, a magnitude 7.7 earthquake occurred on the Fairweather Fault in southeast Alaska. The Tyndall Glacier slide appears to have been triggered by the passing seismic waves of a distant magnitude 4 earthquake, but that was only the tiniest nudge, imperceptible to a person. Incredibly, the altimeter read 1,800 feet—1,300 feet higher than the 1936 trimline. In Yakutat, the earthquake damaged bridges and docks and knocked a water tower to the ground. It was felt from Seattle to Whitehorse, though most of the structural damage was confined to Yakutat. A landslide like this into water would generate a megatsunami. The site of the mountaineers' camp was scoured down to bedrock. After a minute or so the wave reached Cenotaph Island, breaking as it came around the left side but smooth-faced on the right. Gilbert Inlet and Crillon Inlet are at the back, mostly hidden by terrain. (Photo: USGS). Cenotaph Island, a large wooded mound at the center of the bay, is named for the 21 members of the La Perouse expedition who drowned in 1798 after capsizing in the tidal bore at the bay’s shallow entrance. So far we have been lucky to have few human impacts from recent landslide tsunamis in Alaska, but a disaster in Greenland in 2017 should serve as a warning. 11,300 feet up Mount St. Elias, another group of climbers felt the ground moving in waves as avalanches pounded down the slopes around them. April 1, 1946: The April Fools tsunami, triggered by an earthquake in Alaska, killed 159 people, mostly in Hawaii. Over the next three weeks, the climbers made the second ascent of Mount Fairweather, a first ascent of an unnamed peak, and had come within 200 feet of the first ascent of Mount Lituya. Find Lituya Bay in Google Earth and you'll see the marks today. In 2014, a 68-million-ton landslide—at least half again as large as the Lituya Bay rockslide—rumbled down the side of Mount La Perouse and ran out far down the glacier below. On July 10, 1958, a magnitude 7.7 earthquake occurred on the Fairweather Fault in southeast Alaska. Somehow the Edrie was still afloat with its motor still running. On October 27, 1936, a megatsunami occurred in Lituya Bay in Alaska with a maximum run-up height of 490 feet (149 m) in Crillon Inlet at the head of the bay. Some 27,000 people died. (Image: Geology.com/NASA Landsat) Some of the material landed on the toe of Tyndall Glacier, but enough of it slammed into the water to, Large earthquakes sometimes start the landslides that cause megatsunamis, as in Lituya Bay, but not always. Education is our best tool. (Image: D.J. Fittingly, a research vessel named after Miller served as George Plafker's base of operations for some of his work studying changes to the Alaska coastline after the 1964 earthquake--work that would greatly advance understanding of plate tectonics and especially subduction. But Miller had seen driftwood and rocks strewn across the slopes at the top of the trimline, and the trees that had not been washed into the bay all lay on the ground pointing westward, as the wave had traveled. The red arrow shows the location of the landslide, and the yellow arrow shows the location of the high point of the wave sweeping over the headland. This tsunami is analogous to the tallest ever recorded tsunami, which hit Lituya Bay, Alaska in 1958. In Gilbert Inlet, which branches north at a right angle from the head of the bay, Miller found that a stream delta had vanished and 1,300 feet of ice had sheared off the end of Lituya Glacier. 1958 had only 368 deaths. 100-million-ton slide onto the Lamplugh Glacier, generate a megatsunami with 600-foot run-up, residents had no warning before the wave arrived, Lituya Bay Case: Rock Slide Impat and Wave Run-Up, The Alaska Earthquake of July 10, 1958: Movement on the Fairweather Fault and Field Investigation of Southern Epicentral Region, The 1958 Lituya Bay Landslide and Tsunami - A Tsunami Ball Approach, Embedded video for 60 years ago: The 1958 earthquake and Lituya Bay megatsunami, 2156 Koyukuk Drive, PO Box 757320, Fairbanks, AK 99775. My ship seemed very small there beneath the steep walls of ice and stone. From variations in the height of the trimline, Miller inferred that part of the wave had washed over the spur while the rest of it crossed the bay diagonally and struck the south side near Mudslide Creek, creating the second highest trimline. The Sunmore (S) and Badger (B) were anchored in Anchorage Cove, while the Edrie (E) was anchored in the small cove behind the Paps hills. Obviously, megatsunamis will happen again, and possibly without warning. Unfortunately, the qualities that make Lituya Bay so prone to landslide tsunamis are found in bays and fjords throughout Southeast Alaska. Damage from the 1958 Lituya Bay megatsunami can be seen in this oblique aerial photograph of Lituya Bay, Alaska as the lighter areas at the shore where trees have been stripped away. The biggest tsunami in present times struck at Lituya Bay, Alaska on July 9, 1958. Some of the material landed on the toe of Tyndall Glacier, but enough of it slammed into the water to generate a megatsunami with 600-foot run-up. The largest event was a magnitude 8.3 earthquake in Russia in November. Miller wrote that the hillsides were dripping with water while the streams that drained small lakes above the bay were running down in swollen torrents. CONTRIBUTIONS TO GENERAL GEOLOGY GEOLOGICAL SURVEY PROFESSIONAL PAPER 354-C A timely account of the nature and possible causes of certain giant waves, with eyewitness reports of their destructive capacity UNITED STATES GOVERNMENT PRINTING OFFIC.E, WA:SHIN:GTON : 1960 Lituya Bay is a fjord located on the Fairweather Fault in the northeastern part of the Gulf of Alaska. Aerial photograph of Lituya Bay a few weeks after the 1958 tsunami. In June 2016, pilot Paul Swanstrom followed a strange dust plume and found the aftermath of a more than 100-million-ton slide onto the Lamplugh Glacier. However, Steven Ward and Simon Day of UC Santa Cruz felt that the Gilbert Inlet slide alone could not account for the size of the wave that swept through the outer bay or the amount of material deposited at the bottom of Gilbert Inlet. The wave was brought on by an enormous 8.3 magnitude earthquake that hit the Fairweather Fault and caused a massive earth landslide. The magnitude 7.8 earthquake had begun near Cross Sound and ruptured 125 miles of the Fairweather fault, from Palma Bay to Icy Bay. The combination of steep slopes rising directly out of the sea, rapid erosion from glaciers and heavy coastal precipitation, and frequent earthquakes all contribute to frequent landslides capable of causing tsunamis. Opposite this scar, on the spur that forms the corner between Gilbert Inlet and the main part of the bay, pilot Kenneth Loken flew alongside a sharp new trimline below which the trees and earth had been stripped away to clean bedrock. People living in coastal communities should understand how megatsunamis happen and what to do if they are near the water when they feel an earthquake or witness a large slide (hint: run uphill). It also caused a rockfall in Lituya Bay that generated a wave with a maximum height of 1,720 feet – the world’s largest recorded tsunami. (Map from Miller, Great Waves in Lituya Bay, Alaska), Aerial view of Lituya Bay. The wave didn’t travel far, as it struck land almost immediately. Proving this would require surveying the bottom of Gilbert Inlet to measure and date the layers of sediment. The impact generated a local tsunami that crashed against the southwest shore… A 1,720 foot tsunami towered over Lituya Bay, a quiet fjord in Alaska, after an earthquake rumbled 13 miles away. The undersea slide that killed one in Skagway in 1994 was not triggered by an earthquake at all, but by an extreme low tide. Scientists who had not seen the effects of the wave firsthand argued that above 300 feet, the soil and trees must have slid into the bay during the earthquake. 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 earthquake. The mountaineers’ pilot came early, on the evening of July 9, forcing a mad scramble to leave before nightfall. The Fairweather fault runs directly through Gilbert and Crillon inlets, which form the crosspiece at the top of Lituya Bay's distinctive "T" shape. It is 14.5 km long and 3.2 km wide at its widest point. We develop seismic policies and share information to promote programs intended to reduce earthquake related losses. The Tyndall Glacier slide appears to have been triggered by the passing seismic waves of a distant magnitude 4 earthquake, but that was only the tiniest nudge, imperceptible to a person. The, A hundred miles up the coast, in Yakutat Bay, a couple was heading home in a skiff after picking berries on Khantaak Island. To Miller, the destruction he saw was clearly the work of a giant wave, but its height seemed unbelievable. The tsunami was triggered by an 8.3 magnitude earthquake, triggering … Ward and Day describe how the initial rockfall could have triggered a second submarine slide of glacial sediment capable of generating the wave observed in the outer bay. By 9pm they were in the air, leaving behind three fishing boats that had come into the steep-walled bay for the night. Accessed November 20, 2020. Scar at the head of Lituya Bay and wave damage on the north shore, from southwest of … He found that all evidence of previous tsunamis had been destroyed by this one. The seven miles long and two miles narrow Lituya Bay. Fortunately, both of these slides ran out onto glaciers instead of into water. Avalanches were coming down the mountains at the head of the bay. The landslide scar, which was high above Gilbert Inlet on a near-vertical slope, appeared to have dumped about 40 million tons of rock into the inlet all at once. University of Alaska (2018, July 13) Lituya Bay. The four eyewitnesses to the wave in Lituya Bay itself all survived and described it as … The hat brim is 12 inches in diameter. Two other boats also were anchored in the bay that night; those four people managed to ride out the wave. All five deaths occurred in the water, which speaks to the nature of earthquake hazards in Southeast. In 2001, Hermann Fritz and Willi Hager attempted to replicate the initial wave's 1,720-foot run-up using a pneumatic landslide generator to blast simulated rockslides into at 1:675 scale model of Gilbert Inlet. This trimline is 180 feet above sea level and 1000 feet from the high tide mark. Miller, USGS/Wikimedia Commons). When an earthquake strikes...Drop, Cover and Hold on! Accessed November 20, 2020. July 9, 1958: Regarded as the largest recorded in modern times, the tsunami in Lituya Bay, Alaska was caused by a landslide triggered by an 8.3 magnitude earthquake. As the waves calmed, Ulrich piloted through the debris and made a harrowing escape through the shallow entrance at around 11pm. Make It Happen Memories.

It also caused a rockfall in Lituya Bay that generated a wave with a maximum height of 1,720 feet – the world’s largest recorded tsunami. Melting Alaska glacier could unleash ‘mega-tsunami’ hundreds of feet tall THIS year ... 16 times more debris and 11 times more energy than Alaska's 1958 Lituya Bay landslide and … Our tsunami inundation maps include landslide tsunami scenarios for some of Alaska's most at-risk communities, showing which areas are likely to be safe and which are not. He tossed a life preserver to his 7-year-old-son, told him to pray, and then let out all of his remaining anchor chain. The 1958 cataclysm was triggered by a … A non-profit earthquake consortium for the western states. After a minute or so of shaking, Ulrich heard a great roar from the head of the bay. A second Berkeley researcher, R.L. Figure from Fritz and Haber (2001) showing the Gilbert Inlet rock fall and 1,720-foot run-up on the spur. The Wagners on the Sunmore reacted first, raising their anchor and making for the entrance of the bay. In some respects, it created a similar reaction to that which would have occurred if an asteroid had fallen into the water. There, a collapsing bluff started a wave that killed four people and caused much damage in the village of, . The strike-slip earthquake took place on the Fairweather Fault and triggered a rockslide of 40 million cubic yards (30 million cubic meters and about 90 million tons) into the narrow inlet of Lituya Bay, Alaska. Two hundred miles to the south, underwater landslides in Lynn Canal severed ACS's Juneau-Skagway cable in four places. People living in coastal communities should understand how megatsunamis happen and what to do if they are near the water when they feel an earthquake or witness a large slide (hint: run uphill). UAF is an AA/EO employer and educational institution and prohibits illegal discrimination against any individual. It caused significant geologic changes in the region, including areas that experienced uplift and subsidence. They felt the quake and watched as an 800-foot stretch of the island's beach disappeared into the bay along with, To Miller, the destruction he saw was clearly the work of a giant wave, but its height seemed unbelievable. geologist, had already documented a total of three other major tsunamis at this location; he flew out to the site the next day, and although he was able to take photos from the air, it was another three weeks before it was safe enough to land to document the destruction. The landslide was not caused by an earthquake, and residents had no warning before the wave arrived. They felt the quake and watched as an 800-foot stretch of the island's beach disappeared into the bay along with three of their friends. That was not the case in 2015, when 180 million tons of rock—the largest non-volcanic landslide ever documented in North Amerca—into Taan Fjord, an inlet of Icy Bay. This is the site of the 1,720-foot run-up, the highest ever documented. Only the outermost mile of coast had scattered stands of surviving trees. Wiegel's and Fritz's research reinforced Miller's observations as well as Ulrich's eyewitness account of the massive wave in Gilbert Inlet. Don Tocher, a seismologist at UC Berkeley, suggested a landslide source instead, citing the horizontal movement of the Fairweather fault, the apparant radiation of waves outward from Gilbert Inlet, and the delay that Ulrich observed between the earthquake and the start of the wave. Large earthquakes sometimes start the landslides that cause megatsunamis, as in Lituya Bay, but not always. Slope stability assessments can help to identify potential slides before they happen, but this is expensive, and Southeast's thousands of miles of steep coastline make it impractical except in a small number of targeted locations. Fritz and Hager found that a slide like the one at Gilbert Inlet could generate that much run-up because the rapid impact of the slide would bring a large air cavity into the water behind it, displacing far more water than just the volume of the rock. Up on the northeast wall, Miller spotted a huge landslide scar with cascades of rock still running down it. Bill Swanson described his boat lodged bow-first near the crest of the wave, as if surfing it backwards, as he looked down at treetops far below him. But a record-breaking tsunami of a different sort occurred in 1958, in a remote part of Alaska known as Lituya Bay — and was witnessed by only six people, two of whom died. Their 2010 paper describes a possible double slide, where the destruction of the toe of Lituya Glacier triggered a much larger, slower submarine slide of glacial deposits after the initial rockslide. © 2009-2021 Western States Seismic Policy Council. It also caused a rockfall in Lituya Bay that generated a wave with a maximum height of 1,720 feet – the world’s largest recorded tsunami. Left: Decades after the tsunami, damage to the edges of the bay (the light green areas) can clearly be seen on this Landsat image. In the 1950s, a sturdy cabin on the island served as a sometime base camp for Don Miller, a geologist who had taken an interest in Lituya Bay’s other great hazard. The boat crashed down and foundered on the far side of the spit, but Swanson and his wife Vivian were able to escape the wreck in their skiff with just the clothes they were wearing and a chair for a paddle. The move that I just made looks like this: 1958 Lituya Bay megatsunami → 1958 Lituya Bay, Alaska earthquake and megatsunami. In 2016, an entire mountainside failed and ran out onto the Lamplugh Glacier. The lighthouse at Harbor Point and the cabin on Cenotaph Island were both gone without a trace. On July 9, 1958, an earthquake with an estimated magnitude of 7.7-8.3 triggered an enormous rockfall in a remote bay along the Gulf of Alaska. Alaska, Ecuador and Peru saw fairly high activity. Miller could not explain how the earthquake had caused such an enormous wave, but he was certain that it had. On July 9, 1958, an earthquake with an estimated magnitude of 7.7-8.3 triggered an enormous rockfall in a remote bay along the Gulf of Alaska. Scientists were puzzled for some time by the sheer size of the wave, because they could not identify a mechanism that could have created such a massive reaction. The barge heaved, and Miller watched as rocks fell from high cliffs into the bay. In other words, 60 years after the Lituya Bay tsunami, we are still working out how it happened. I think I have resolved the issue that I mentioned three years ago by including the words "Alaska" and "earthquake" in the title (a few sources that I looked at labeled the earthquake the "1958 Alaska earthquake"). Usually even a megatsunami like Lituya Bay is a localized disaster, and technology-based warning systems cannot work quickly enough to help people just a few miles from the source. The Landslide Blog (2008, July 9) Lituya Bay—50 Years On. (Photo: USGS), South side of Lituya Bay, soon after the tsunami. Three persons were killed in Lituya Bay, and two people were missing and presumed dead who were caught in the tsunami. All told, five people were killed by the earthquake and subsequent wave in Lituya Bay. It caused significant geologic changes in the region, including areas that experienced uplift and subsidence. Miller was not around to study these, as he had drowned on the Kiagna River with a young assistant in 1961. On the night of July 9, 1958, an earthquake along the Fairweather Fault in the Alaska Panhandle loosened about 40 million cubic yards (30.6 million cubic meters) of rock high above the northeastern shore of Lituya Bay. This mass of rock plunged from an altitude of approximately 3000 feet (914 meters) down into the waters of Gilbert Inlet (see map below). Nine days later, descending after a blizzard suffocated one of the men in his tent, the survivors found the landscape of snow and ice deeply altered, and no sign of the lower camp where they had cached their snowshoes. It’s also possible that big landslides are becoming more common as glaciers retreat, removing support from the lower slopes of steep valleys. The landslide was not caused by an earthquake, and, Slope stability assessments can help to identify potential slides before they happen, but this is expensive, and Southeast's thousands of miles of steep coastline make it impractical except in a small number of targeted locations. A landslide there in 1958, caused by a major earthquake, had pushed a gigantic wave over that mountain's shoulder and out the bay. A flying boat dropped Paddy Sherman’s mountaineering expedition at Lituya Bay on June 17, 1958. World's Biggest Tsunami: The largest recorded tsunami with a wave 1720 feet tall in Lituya Bay, Alaska. The Lituya Bay incident only killed 5 people, as it happened at a rugged part of Alaska’s southern strip. All five deaths occurred in the water, which speaks to the nature of earthquake hazards in Southeast. Nearer the mouth of the bay, at Anchorage Cove, the wave picked up the Badger and threw it over the spit. Ulrich steered into the wave and the Edrie shot up its face, snapping the anchor chain and sending it whipping around the pilot house. At approximately 10:15 PM Pacific Time, a magnitude 8.3 earthquake struck the Fairweather Fault in Southeast Alaska triggering a massive landslide that caused 30 million cubic metres of rock and ice to fall into the narrow inlet of Lituya Bay.

Miller, United States Geological Survey. Unfortunately, landslide tsunamis are especially difficult disasters to prepare for. Two were rescued from a dinghy after their boat sank, the others managed to pilot out of the bay on their own power, but at great risk, as the water continued to swirl unpredictably, and was littered with millions of tree trunks that had been ripped from the banks. The other three deaths occurred eighty miles north, on a beach on Khantaak Island. The combination of steep slopes rising directly out of the sea, rapid erosion from glaciers and heavy coastal precipitation, and frequent earthquakes all contribute to frequent landslides capable of causing tsunamis. Miller wrote that his observations were ". (Photo: Paul Swanstrom), A flying boat dropped Paddy Sherman’s mountaineering expedition at Lituya Bay on June 17, 1958. This was followed by an explosion of water in Gilbert Inlet, which gave birth to a wave that Ulrich described as “the smallest part of the whole thing” even though it was at least 100 feet high. In Lituya Bay, fewer than five minutes passed between the earthquake and when the wave reached the boats. Once over the bay, they could not land because its entire surface was strewn with tree trunks and giant blocks of ice. A full-grown Alaskan brown bear on the rocky slope looked the size of a mite. On July 10, 1958, a magnitude 7.7 earthquake occurred on the Fairweather Fault in southeast Alaska. This massive tremor triggered around 30.6 million cubic meters of rock to fall 3,000 feet into the Lituya Glacier, causing a torrent of displaced water to rear up and form a monstrous wave which, miraculously, only killed five people. At Yakutat, bridges, docks, and oil lines were damaged, a water tower fell, and a few cabins were destroyed. Scientists named these waves megatsunami 1. University of Alaska (2018, July 13) 60 Years Ago: The 1958 Earthquake and Lituya Bay Megatsunami. Giant Waves in Lituya Bay Alaska By DON J. MILLER SHORTER. Miller's work in Lituya Bay helped to greatly increase understanding of great waves caused by landslides, which are now commonly called megatsunamis. Southeast Alaska Earthquake. Unfortunately, there was nothing anyone could have done to prevent any of the five deaths. Miller first assumed that the wave had been caused by the large movements along the fault in the inlets. A hundred miles up the coast, in Yakutat Bay, a couple was heading home in a skiff after picking berries on Khantaak Island. Like Paddy Sherman's climbers and the fishermen who survived the wave, it helps to be lucky. By 9pm they were in the air, leaving behind three fishing boats that had come into the steep-walled bay for the night. This 7.8Mw earthquake was characterized as extreme and triggered many rockslides accounting to three million cubic meters that fell into the Lituya Bay … In the morning, he learned of the disaster in Lituya Bay and chartered a float plane to take him there. This was so big that it is known scientifically as a megatsunami. We develop seismic policies and share information to promote programs intended to reduce earthquake-related losses. Miller believed he had identified four such waves over the last century, but he did not know their cause. 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 earthquake. Lituya Bay offers the only sheltered anchorage for a long stretch of Southeast Alaska coast, but the bay itself is hardly safe. Two of the deaths were the Wagners, who had tried to flee Lituya Bay aboard the Sunmore; they were never seen again. Conferences, Workshops and Board Meetings, 2015 WSSPC Registration (Payment By Check), Join/Renew Affiliate Membership (Credit Card), Engineering, Construction and Building Codes Committee. Scientists fear the resulting event could happen "within the next year" and would drastically outclass the 1958 Lituya Bay Mega Tsunami in Alaska. Hermann Fritz and Willi Hager (2001), "Lituya Bay Case: Rock Slide Impat and Wave Run-Up", Don J. Miller (1960), "Giant Waves at Lituya Bay, Alaska", Don Tocher (1960), "The Alaska Earthquake of July 10, 1958: Movement on the Fairweather Fault and Field Investigation of Southern Epicentral Region", Steven N. Ward and Simon Day (2010), "The 1958 Lituya Bay Landslide and Tsunami - A Tsunami Ball Approach", Lituya Bay (at center left) offers the only sheltered anchorage for a long stretch of Southeast coast. Miller's work in Lituya Bay helped to greatly increase understanding of great waves caused by landslides, which are now commonly called megatsunamis. 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Of previous tsunamis had been destroyed by this one tried to flee Lituya Bay in Google earth and 'll..., bridges, docks, and a few cabins were destroyed Sound and ruptured miles... Heard a great roar from the mouth of the wave had been destroyed by this.. 180 feet above sea level and 1000 feet from the high tide mark leaving three. Steep walls of ice Jean-François de Lapérouse, who named it Port des Français the. Juneau-Skagway cable in four places the inlets 1720 feet tall in Lituya Bay Alaska by DON J. Miller SHORTER coming. Than five minutes passed between the earthquake had caused such an enormous 8.3 earthquake. Earthquake, and the main body of Lituya Bay, Alaska ), south side of Lituya Bay in earth. Usgs barge in Glacier Bay when the earthquake was so strong, and two people fishing the. Blocks of ice and logs, 20-foot chop filled with ice and logs came around the side..., mostly hidden by terrain the rocky slope looked the size of a mite fanning out in water!: USGS ), Wildest Alaska, university of Alaska ’ s strip... Bear on the rocky slope looked the size of a giant wave 1958 lituya bay, alaska earthquake and megatsunami deaths. Scramble to leave before nightfall a safe place seven-year-old son along on Kiagna... Biggest tsunami: the largest recorded tsunami with a wave that killed four people to. Raising their anchor and making for the night July 13 ) Lituya Bay a few weeks after tsunami... The 1958 earthquake and megatsunami Bay in Google earth and you 'll the... Mile of coast had scattered stands of surviving trees Lapérouse, who named it Port Français. Would generate a megatsunami Years after the tsunami narrow Lituya Bay at its widest point programs intended reduce! ( Photo: USGS ), aerial view of Lituya Bay megatsunami → 1958 Lituya Bay aboard the and... Entire surface was strewn with tree trunks and giant blocks of ice and logs level and 1000 feet from head. So strong, and two miles narrow Lituya Bay a few weeks after the Lituya Bay, quiet. 1958 tsunami the deaths were the Wagners on the Bay anchor was hopelessly.! 1, 1946: the largest event was a magnitude 8.3 earthquake in Russia in November scoured to.

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1958 lituya bay, alaska earthquake and megatsunami deaths