1964 alaska earthquake

At 5:36 pm on Friday, March 27, 1964 (28 March, 03:36Z UTC) the largest earthquake ever measured in North America, and the second-largest recorded anywhere, struck 40 miles west of Valdez, Alaska in Prince William Sound with a moment magnitude we now know to be 9.2. Alaska Earthquake 1964. I think often of my time in Alaska, and of the two years that I spent with friends living in and exploring that fantastic land. According to Wikipedia, as far away as 200 miles in Kodiak, the 1964 Alaska earthquake caused some areas to be permanently raised by thirty feet, while areas near Portage dropped about eight feet. The Alaska earthquake of March 27, 1964, magnitude approximately 8.3–8.4, began at 6:36 p.m. Its epicenter was in the northern part of the Prince William Sound area; focal depth was 20–50 km. Seismic Seiches from the 1964 Alaska Earthquake. Source: Alaska Dispatch News. Oral presentations, poster sessions, exhibits, field trips, business meetings and social gatherings all provide participants the opportunity to meet and share with their peers. Turnagain Heights Landslide, Anchorage Alaska. The 1964 Alaska earthquake was a "subduction zone earthquake" (or "megathrust earthquake"), caused by an oceanic plate sinking under a continental plate. A massive tidal wave crushed the small, coastal village of Chenega four minutes after the tremors subsided—the town lost a third of its population. On March 27, 1964 at 5:36pm local time (March 28 at 3:36 UTC) an earthquake of magnitude 9.2 occurred in the Prince William Sound region of Alaska. Every story you read here was experienced first hand. The banner over 4th Avenue in Anchorage was there to promote a play called "Our Town". These Alaska 1964 earthquake pictures give us a different look at "Our Town". Part of the of the Million Dollar Bridge at Copper River also crumpled. Produced by Creative Arts Studio in 1964 for the USGS. This USGS Fact Sheet by Thomas M. Brocher, et al. The 1964 Alaska earthquake is reported to have caused approximately 128-131 deaths. Prince William Sound, Alaska earthquake of 1964 and aftershocks (Volume I-III, complete) by Fergus J. Wood| Jan 1, 1966. During the earthquake, it’s estimated the fault slipped between 30 to 60 feet, an immense shift. The close-in effects were even more striking, however; sediment-laden ground water erupted at the surface, and even ice-covered lakes and streams responded by seiching. However, Dickerson’s safe passage through the ordeal is … IRIS webpage dedicated to George Plafker, a USGS field geologist noted for his studies of subduction-zone and backarc thrust earthquakes. If playback doesn't begin shortly, try restarting your device. Report abuse. Feb 8, 2013 - Second largest earthquake of the 20th Century. The quake also led to significant scientific breakthroughs in subduction earthquakes and how to minimize their destruction. “The 1964 Alaska Earthquake and Tsunami” lecture by George Plafker, USGS Geologist Emeritus. The earthquake of March 27, 1964, greatly affected the hydrology of Alaska and many other parts of the world. The earth began to shake like never before. briefly recounts the events of March 27, 1964 and explains the scientific and societal importance of the earthquake. The four minute duration of shaking triggered many landslides and avalanches. At around 7:19 a.m. on September 19, 1985, Mexico City, one of the world’s largest urban areas, was jolted by a magnitude 8.1 earthquake, ...read more, At 4:31 a.m. on January 17, 1994, a 6.7-magnitude quake struck the San Fernando Valley, a densely populated area of Los Angeles located 20 miles northwest of the city’s downtown. USGS. On March 27, 1964, at 5:36 PM, a megathrust earthquake occurred in the Prince William Sound region of Alaska. More than 80,000 people perished as a result of the quake, while an estimated 4 million ...read more, On October 17, 1989, a magnitude 6.9 earthquake hit the San Francisco Bay Area, killing 67 people and causing more than $5 billion in damages. Read more. Wally Hickel-Wikipedia. Landslide and slumping effects in the Turnagain Heights area, Anchorage, Alaska, caused by the March 28, 1964, earthquake. A documentary chronicling the first 72 hours after the 1964 Alaska Earthquake and the response to the disaster by the United States Office of Civil Defense, U.S. Military, and local, state, and federal officials. Addeddate 2010-06-05 23:48:44 Identifier gov.dod.dimoc.30190. Scientists learned that at the point where the North American Plate overrode the Pacific Plate, it descended into a subduction zone. Major structural damage occurred in many of the major cities in Alaska. Acquired by the United States in 1867, the territory was dubbed “Seward’s Folly” after U.S. Secretary ...read more, The Civil Rights Act of 1964, which ended segregation in public places and banned employment discrimination on the basis of race, color, religion, sex or national origin, is considered one of the crowning legislative achievements of the civil rights movement. Local tsunamis also caused destruction in Kodiak, Whittier and Seward. On Friday, March 27, 1964, at 5:36 p.m., a magnitude 9.2 megathrust earthquake shook Alaska for four minutes and 38 seconds. THE ALASKA EARTHQUAKE, MARCH 27,1964: EFFECTS ON THE HYDROLOGIC REGIMEN EFFECTS OF THE MARCH 1964 ALASKA EARTHQUAKE ON THE HYDROLOGY OF THE ANCHORAGE AREA, ALASKA The Anchorage hydrologic system was greatly affected by the seismic shock. It is also the second largest earthquake ever recorded, next to the M9.5 earthquake in Chile in 1960. The earthquake of March 27, 1964, greatly affected the hydrology of Alaska and many other parts of the world. The shaking lasted for more than four minutes, launching several deadly tsunamis and triggering … 8.6: The Great Alaska Earthquake March 27, 1964. Through very complete mapping of vertical deformation and faulting and the application of tectonics, he was first to propose in 1965 that the source of the 1964 Alaska earthquake was a low-angle thrust fault. Plafker spent most of the summer in Alaska researching and documenting the earthquake. Magnitude 9.2: The 1964 Great Alaska Earthquake is a short video relating how the largest quake in U.S. history had profound and lasting impacts on our lives. NOAA Natural Hazards Image Database. Note undamaged buildings nearby. At 5:36 p.m. on March 27, 1964—Good Friday—the earth trembled just as many Alaskans were sitting down to dinner. Retrouvez Bad Friday: The Great and Terrible 1964 Alaska Earthquake et des millions de livres en stock sur Amazon.fr. 10 Amazing Facts About the 1964 Alaska Earthquake Geologic shake-up. Of the 131 people killed during the earthquake, 119 died in tsunamis. (Before March 1964, Alaska had only two of the earthquake-sensing instruments — one in Fairbanks and one in Sitka. Downtown Anchorage had the most property damage mainly due to immense landslides, one of which dropped the business district nine feet. Short video (4 min) by Stephen Wessells, USGS relating how the largest quake in U.S. history had profound and lasting impacts on our lives. I enjoyed reading this book about the Alaska earthquake on Good Friday of 1964. USGS published the results of investigations of the Alaska earthquake of March 27, 1964 in a series of six Professional Papers. 1964 Alaska Earthquake Changes the Coastline, Department of Homeland Security & Emergency Management. An examination of the 1964 Alaska Good Friday Earthquake from a (pre- plate tectonics theory) geological point of view. It's located in Alaska, United States.Welcome to the Government Hill Landslide site, created during the 1964 Alaska Earthquake. The map shows the epicenter of the 1964 Alaska Earthquake (red star), caused when the Pacific Plate lurched northward underneath the North American Plate. The warning system doesn’t monitor local tsunamis, however. Sep 19, 2019 - The photos on this board are from the Great Alaska Earthquake of 1964. commemorates the Alaska Earthquake and examines the advances in knowledge and technology that have helped improve earthquake preparation and response in Alaska and around the world. The pic. Despite the fact that the disaster was one of the most powerful and destructive quakes ever to hit a populated area of the United States, ...read more, The powerful earthquake killed more than 10,000 and left another 30,000 others injured and as many as a quarter of a million people homeless. Periodic rumbles were nothing new to Alaskans—four out of every five U.S. earthquakes occur in the state—but the quake that struck at 5:36 p.m. local time on Good Friday was unlike any ...read more, On April 18, 1906, an earthquake and subsequent fires devastated San Francisco, California, leaving more than 3,000 people dead and destroying more than 28,000 buildings. On March 27, 1964 at 5:36 PM (Alaska Time), an earthquake that lasted 4 minutes and 37 seconds, struck south central Alaska; it was the strongest earthquake ever recorded in the United States, measuring 8.4 on the Richter Scale and 9.2 on the Moment Magnitude Scale. Thousands of strong aftershocks continued for weeks after the earthquake, some measuring greater than magnitude 6.2. Map showing ground motion and shaking intensity based on instrumental measurements of shaking along with information about local geology and the earthquake’s location and magnitude. On March 27, 1964, a megathrust earthquake struck Alaska, about 15 miles below Prince William Sound, halfway between Anchorage and Valdez. It released at least twice as much energy as the San Francisco earthquake of 1906 and was felt on land over an area of almost … This “Story map” combines an interactive map with historic photos of the earthquake. This year marks the 50th anniversary of the 1964 Great Alaska Earthquake, an event that transformed how geologists view the Earth. It effortlessly toppled telephone poles, buckled railroad tracks, split roads in half, uprooted buildings, cars and docks and tore homes apart. Scientists learned a lot from data gathered after the 1964 Alaskan earthquake and put the knowledge to good use. Explains how Yakutat terrane accretion drives mountain building and crustal fault earthquakes like the 2002 M7.9 Denali Earthquake. Reviewed in the United States on February 12, 2019. These maps, by Randall W. Jibson and John A. Michael, depict seismic landslide hazards in Anchorage and are an important tool for planning, zoning, and emergency-response preparation. Trouvez les Alaska Earthquake images et les photos d’actualités parfaites sur Getty Images. The 1964 Alaskan earthquake, also known as the Great Alaskan earthquake and Good Friday earthquake, occurred at 5:36 PM AKST on Good Friday, March 27. Notice the banner hanging over 4th Avenue. 342 likes. Share. It released at least twice as much energy as the San Francisco earthquake of 1906 and was felt on land over an area of almost 502,000 square miles (1,300,000 square km). Liquefaction in and around Anchorage tore the land apart. This year marks the 50th anniversary of the 1964 Great Alaska Earthquake, an event that transformed how geologists view the Earth. Choisissez parmi des contenus premium Alaska Earthquake de la plus haute qualité. A tragedy through and through, the 1964 earthquake is a defining point in Alaska and Anchorage history. For … Coastal Alaska is on a fault zone where the Pacific plate meets the North American plate. On Good Friday, March 27, 1964, the largest earthquake ever to hit North America struck Alaska. above is Fourth Avenue in Anchorage, Alaska right after the big earthquake of March 27, 1964. STORY OF THE 1964 ALASKA EARTHQUAKE AND ITS TRAGIC EFFECTS - THE STORY OF THE POST-DISASTER EFFORT TO REHABILITATE THE LAND AND ITS PEOPLE. U.S. Geological Survey Professional Paper 1527, Land effects consisted of a 2 to &foot subsidence of the mainland and Homer Spit, one earthflow at the mouth of a canyon, several landslides on the Ho~ner … These films were shot by amateur and professional cameramen in the hours and days following the earthquake at locations such as Anchorage, Kodiak, Seward, Valdez, Chenega, Afognak. The 1964 Great Alaskan Earthquake and Tsunamis—A Modern Perspective and Enduring Legacies. [1] Noté /5. It is still the most powerful earthquake … This led to the establishment of the Pacific Tsunami Warning Center (originally called the West Coast/Alaska Tsunami Warning Center) to alert people when a widespread tsunami is possible. USC Tsunami Research Group. 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