Authorities in Alaska have lifted a tsunami warning following a 7.8 magnitude earthquake which struck late Tuesday at a depth of 10km, 100km off the coast. Warning sirens blared and residents fled to higher ground after an earthquake in Alaska prompted tsunami warnings Tuesday night. Terms of Use A line of traffic leaves Homer, Alaska, after a tsunami evacuation order was issued for low-lying areas. Here in Alaska, though, tsunamis generated by nearby earthquakes represent “near-field” hazards. “In Taan Fiord (Icy Bay, Alaska), a landslide that began moving slowly decades ago suddenly failed in October 2015. TSUNAMI HAZARD MITIGATION FOR ALASKACoastal Alaska communities live with the most serious tsunami risk in the United States. Preliminary magnitude 7.8 earthquake strikes off coast of Alaska, tsunami warning cancelled News. The lighter green areas along the shore indicate places where forests are younger than older trees (darker areas) that were not affected by the tsunami. Hundreds wore masks against the spread of the coronavirus as they gathered in shelters. Tsunami: 524 m (1,720 ft) runup: Casualties: 5: False-color Landsat 8 image of Lituya Bay, 2020. A powerful 7.8-magnitude earthquake struck the Alaskan peninsula, sending some coastal communities scrambling amid initial tsunami concerns. The concerned experts claim the catastrophic event could even happen within the next 12 months if melting ice triggers a landslide of unstable rocks. It could mean a slow moving landslide is already taking place but if a large part of the mountain slope gave way it could have dire consequences. “At Karrat Fiord, west Greenland, a landslide in June 2017 similarly produced a tsunami that killed four people and destroyed a large portion of the town of Nuugaatsiaq, 20 miles away. Geophysicist Chunli Dai from the Ohio State University told NASA’s Earth Observatory: “It was hard to believe the numbers at first. A magnitude 7.5 earthquake jolted Alaska's southern coast on Monday afternoon, triggering a tsunami warning for The Last Frontier and a short-lived tsunami … “The unstable slope in Barry Arm is much bigger than either of these examples, and thus has the potential to produce a larger tsunami that could have impacts throughout Prince William Sound.”. This upcoming giant and catastrophic mega-tsunami will be triggered in Alaska by a rock landslide that becomes unstable with the melting glacier. Observations. Some surrounding communities were … ANCHORAGE(ALASKA): A powerful 7.8 earthquake struck the Alaska Peninsula late Tuesday, triggering a tsunami warning that sent residents fleeing to higher ground before it was called off without any damaging waves. A magnitude 7 earthquake near Anchorage, Alaska, rocked buildings and triggered a tsunami warning. But observers onshore reported the waves appeared to be 1.5 feet (45.7 centimeters) and 2 feet (61 cm) over high tide. A strong 7.5 magnitude quake has struck south of Alaska, according to the US Geological Survey, prompting a tsunami alert in the area. Scientists think that this can happen within the next twenty years decades, or even within one year. Magnitude: 4.6 Origin Time: Depth: 17 mi. It was said to have reached 1,720 feet tall and the impact was compared to an atomic bomb by eye-witnesses. Lat: 62° N Lon: 149.9° W Location: 20 miles SE of Talkeetna, Alaska Note: Times are local to your browser, unless otherwise indicated See the map or table below for more information. Ongoing monitoring will continue so that scientists can spot warning signs of a landslide and subsequent tsunami before it happens. The damaged trimline is still imprinted in the forest. The … Previous 40 Messages. The center is monitoring harbors in a 500-mile area along the Alaska coastline, he said. 15,309, © 2020 NYP Holdings, Inc. All Rights Reserved AN EARTHQUAKE of magnitude 7.4 has struck the Alaskan peninsula today, sparking a tsunami warning. Travel Time. On Tuesday night, Gerry Cobban Knagin took video of the parking lot scene at Kodiak Aleutian Regional High School, where 300 or 400 other people were sheltering. The potential disaster was warned about in May by scientists who wrote an open letter to the Alaska Department of Natural Resources (ADNR). "We did feel it," Sand Point Clinic employee Lorna Osterback said of the quake. An unprecedented ‘mega-tsunami’ could be caused by a melting Alaska glacier, scientists have warned. JUNEAU, Alaska (AP) — A reported 7.5 magnitude earthquake off the Alaska Peninsula on Monday prompted tsunami warnings for a vast swath of … Posted: Jul 22, 2020 / 04:11 AM EDT / … Advisory. A 7.8-magnitude earthquake struck off the Alaskan peninsula, triggering a tsunami warning for areas within 200 miles (300 kilometers) of the epicenter. If the goals of the 2015 Paris Climate Agreement are... Post was not sent - check your email addresses! I grew up here and it's kind of normal.". Jeanette Piniones Navales moved her family from Kodiak Island to higher ground on Pillar Mountain when the tsunami alerts sounded Monday. The quake was at a depth of 10km, the GFZ German Research Center for Geosciences said. Several aftershocks, including one with a magnitude of 5.9 and one that was 5.8, struck in the hour after the big quake. "For other U.S. and Canadian Pacific coasts in North America, the level of tsunami … Earthquakes. The researchers’ findings are available on the ADNR website. The quake was registered some 55 miles (90km) south of Sand Point, Alaska on Monday, at a depth of nearly 25 miles (40km). The magnitude-7.8 quake and magnitude-5.7 quakes hit within eight minutes of one another in Alaska, USA. “Surviving villagers still have not returned because a nearby slope is deforming and threatening to fail. By Steve Almasy, Dave Alsup and Andy Rose, CNN. There were no reports of injuries or major damage. The powerful 7.8 earthquake off Alaska’s southern coast jolted some coastal communities late Tuesday, and some residents briefly scrambled for higher ground over fears of a tsunami. The shallow quake hit … CNN's Amanda Jackson contributed to this report. Since the release of the open letter earlier this year, further analysis has noted little change. Prince William Sound is a remote area but its surrounding waters are often frequented by boats, including cruise ships. Watch. A 1958 landslide in the region resulted in what’s often referred to as the tallest tsunami wave in modern times. Warning. "The dogs were more concerned as to what the heck we were doing under the table.". by: CNNwire. Your California Privacy Rights Water-Level Stations. “The resulting tsunami reached elevations of 633 feet near the landslide, and 35 feet 15 miles away. Osterback said residents of the town would be heading to higher ground away from the shoreline as they wait out the tsunami threat. Sorry, your blog cannot share posts by email. She said she has lived in Kodiak since 2014 and this is her sixth time experiencing a tsunami warning. Do Not Sell My Personal Information, Your California Privacy Rights A major 7.5-magnitude quake off the coast of Alaska triggered small tsunami waves Monday, US agencies said, but there were no immediate reports of casualties or damage. According to the U.S. Geological Survey, the quake struck Tuesday at 10:12 … Alerts/Threats . "We expect we will have another one in about half an hour," noted Osterback. A 7.5 magnitude earthquake struck 55 miles off the coast of Sand Point, Alaska, triggering a tsunami warning that affects residents in South Alaska and the Alaska Peninsula "We're right on the fault line. A powerful magnitude 7.8 earthquake rattled a large swath of coastal Alaska late Tuesday, triggering a tsunami warning that sent residents fleeing before it was called off. "This is a big one.". 58,815, This story has been shared 34,667 times. Triggering a Tsunami. A tsunami warning was in effect for the Alaskan peninsula and south Alaska. "I got nervous and immediately convinced my family to move (to) high ground to be safe," she told CNN. Langley said the tsunami sent two waves, each measuring 130 centimeters (4 feet, 3 inches) high. SAND POINT, Alas. Privacy Notice Candace Nelson, her kids and dogs hid under the table as the earthquake shook Cold Bay, about 90 miles west of Sand Point. Forecasts. Scientists are concerned that an unprecedented Mega Tsunami might occur if the Alaska ice melt occurs.. JUNEAU, Alaska (AP) — A magnitude 7.5 earthquake prompted a tsunami warning Monday for a nearly thousand-mile stretch of Alaska’s southern coast, … Historically, tsunamis generated by earthquakes in Alaska have caused damage and loss of life along the West Coast and across the Pacific. Thanks for contacting us. Restaurant 'reinvents the wheel' for social distancing, This story has been shared 58,815 times. If it’s not that soon, they think the ‘mega-tsunami’ is likely to happen within the next two decades. (KRON) – A tsunami warning is in effect for South Alaska and the Alaska Peninsula after a 7.5 M earthquake hit the coast. Your Ad Choices The tsunami warning issued by the U.S. National Weather Service covered the entire island chain stretching from the southern tip of the Alaska Peninsula. Earthquake in Alaska triggers tsunami warning and evacuations Overnight a powerful earthquake struck the Alaska peninsula, triggering a tsunami warning and evacuations. DART Systems. (CNN) The magnitude 7.5 earthquake near Sand Point, Alaska, generated a tsunami, Scott Langley with the National Tsunami Warning Center said Monday afternoon. Residents of Homer could also be seen driving to higher ground after being given evacuation orders. (CNN)The magnitude 7.5 earthquake near Sand Point, Alaska, generated a tsunami, Scott Langley with the National Tsunami Warning Center said Monday afternoon. The earthquake originaly registered as a 7.4. Tsunami advisories issued for parts of Alaska and the state of Hawaii following the earthquake were. Satellite images have shown how ice melt on the glacier has left a large rocky area exposed. 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A 7.5 magnitude earthquake struck off the Alaska Peninsula on Monday afternoon, triggering a tsunami warningin the region. We've received your submission. The National Tsunami Warning Center in Palmer, Alaska, said the tsunami warning was in effect for roughly 950 miles, from 40 miles southeast of Homer to … "For other US and Canadian Pacific coasts in North America, there is no tsunami threat," the center said. "My kids are all doing good. Residents evacuated to higher ground as tsunami warnings covered much of the southern coast of the remote US state, including the thinly populated Alaska Peninsula, according to the National Oceanic and … Do Not Sell My Personal Information. KTVA-TV There was no tsunami threat for … “Based on the elevation of the deposit above the water, the volume of land that was slipping, and the angle of the slope, we calculated that a collapse would release 16 times more debris and 11 times more energy than Alaska’s 1958 Lituya Bay landslide and mega-tsunami.”. The quake struck at approximately 06:12:42 (UTC). Tsunami warning areas are seen in map posted by CBS Anchorage, Alaska affiliate KTVA-TV late on July 21, 2020. This region has seen glacier retreat, which has led to instability on the slopes of a mountain in Barry Arm above the Barry Glacier. They’re worried about an area called Prince William Sound along the south coast of Alaska in the US. An unprecedented ‘mega-tsunami’ could be caused by a melting Alaska glacier, scientists have warned. Brooke, Wilder and Scout all huddled under our kitchen table till the shaking stopped," she told CNN as the family waited for more news about the tsunami. “This tsunami could impact areas frequented by tourists, fishing vessels, and hunters (potentially hundreds of people at one time). NBA star's wife 'blindsided' by him holding hands with another woman, Pregnant mom who disappeared on Thanksgiving found dead, Ellen Page comes out as transgender, will be called Elliot, This record-breaking baby is 27 years old — 2 years younger than her mom, Bodybuilder marries sex doll after whirlwind romance, ESPN star apologizes for wild Michigan accusation, Travis Scott could make $100 million this year, Oscars 2021: ‘In-person telecast will happen,’ Academy says, © 2020 NYP Holdings, Inc. 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The researchers said: “Landslides have set off giant waves elsewhere in Alaska and Greenland during the past decade. The earthquake's epicenter was recorded less than 60 miles from Sand Point, near the Aleutian Peninsula in the southwestern part of the state. A reported 7.5 magnitude earthquake off the Alaska Peninsula today prompted tsunami warnings for a vast swath of communities, leading some schools to evacuate and send students to higher ground. Two earthquakes struck Alaska today. “We believe that it is possible that this landslide-generated tsunami will happen within the next year, and likely within 20 years.”. Such tsunami warnings are commonplace in Alaska coastal communities, similar to tornado warnings elsewhere in the U.S. that prompt people to take shelter. 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