Science Features: The 1964 Alaska Earthquake & Tsunami. Tsunami damage occurred as far away as Crescent City, California. The 1964 Alaskan earthquake, also known as the Great Alaskan earthquake and Good Friday earthquake, occurred at 5:36 P.M. AST on Good Friday, March 27. Big Alaska Earthquake - Anchorage Memories The Big Alaska Earthquake is a riviting story by Linda A. Wingfield about the 1964 earthquake experience in Valdez. by Michele A. Wiley (Anchorage, Alaska) For you G.T. 1964 Alaska Earthquake: Subsidence at Palmer Hay Flats. Scientific Background. Seismically triggered landslides are one of the greatest geologic hazards in Anchorage. Thank you for sharing your 1964 Alaska earthquake story. The white star and thick line indicate epicenter and source area of the 1964 Alaska earthquake, respectively. The 1964 great Alaska earthquake On Friday, March 27, 1964 the largest earthquake in U.S. history and the second largest recorded instrumentally worldwide struck south-central Alaska with a magnitude of 9.2. The Alaska Earthquake Alliance coordinates earthquake awareness and preparedness activities throughout Alaska. earthquake magnitude as M w 9.3. Learn about the great leaps in research over the past 50 years. 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. The epicenter was about 10 km east of the mouth of College Fiord, approximately 90 km west of Valdez and 120 km east of Anchorage. Excerpt from the TV show “The Big Picture” produced by the US Army in 1966 about the Alaska Earthquake and its tragic effects. give a good introduction to tsunami produced by earthquakes and landslides. Instead, your task is to locate answers on-site to four questions about the geology of this location, and to email or message your answers to the cache owner to demonstrate what you’ve learned here during your visit. Seismicity of the United States, 1568-1989 (Revised), The video features USGS geologist George Plafker who, in the 1960's, correctly interpreted the quake as a subduction zone event. Alaskan 9.2 Earthquake... March 27, 1964, Alaska, 5 replies U.S. "Earthquake Weapon" (Experimental Shockwave System) Caused Haiti Earthquake!, Politics and Other Controversies, 43 replies 1964 Earthquake, Alaska, 11 replies 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. Thin and thick dashed lines indicate the isodepth contour of subducting … [2007] recently reanalyzed of the seismic data, in combination with Figure 1. Abridged from me earthquake that shook south-central Great Alaska Earthquake Story by: Mike Your story is the first one I've read recounting the 1964 earthquake in Fairbanks. part of the ocean floor was lifted up and it caused a massive tsunami in parts of Alaska like there was in Indonesia and Thailand a few years ago. United States Government Printing Office, Washington: 1993. A magnitude 6.0 earthquake struck off the east coast of Honshu, Japan on February 5 at a depth of 45.0 km. The municipality says Southcentral Alaska is still tallying up extensive damage, as aftershocks continue to disrupt the ground. The Great Alaska earthquake struck at 5:36 p.m. Alaska Standard Time on March 27, 1964. The tsunami killed 124 people, all in North America, most in Alaska. …40 minutes after the 1964 Alaska earthquake, produced by seismic surface waves passing through the area.…. 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. briefly recounts the events of March 27, 1964 and explains the scientific and societal importance of the earthquake. The 1964 Alaskan earthquake, also known as the Great Alaskan earthquake and Good Friday earthquake, occurred at 5:36 P.M. Across south-central Alaska, ground fissures, collapsing buildings, and tsunamis directly caused about 131 deaths. 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. An animation that describes earthquakes along the Aleutian subduction zone, one of the most seismically active in the world, and the Queen Charlotte Transform Fault. 1. The Tenth U.S. National Conference on Earthquake Engineering will provide an opportunity for researchers and practitioners to share the latest knowledge and techniques to mitigate the damaging effects of earthquakes and tsunamis. The occurrence of tens of thousands of aftershocks indicates that the region of faulting extended about 620 miles (1,000 km) along the North Pacific Plate subduction zone. The video features USGS geologist George Plafker who, in the 1960’s, correctly interpreted the quake as a subduction zone event. Location map of southern Alaska. 1964 Alaska Earthquake: Subsidence at Palmer Hay Flats. The map shows the epicenter of the 1964 Alaska Earthquake (red star), caused when the Pacific Plate lurched northward underneath the North American Plate. Four out of five earthquakes in the United States occur in Alaska. The Richter magnitude scale goes from 1 to 10, and 10 is the most powerful. … Omissions? Across south-central Alaska, ground fissures, collapsing buildings, and tsunamis directly caused about 131 deaths. USGS published the results of investigations of the Alaska earthquake of March 27, 1964 in a series of six Professional Papers. It was the second-largest earthquake ever recorded, second only to Chile in 1960, which experienced a quake of 9.5 Moment Magnitude (Mw). The Big Alaska Earthquake is a riviting story by Linda A. Wingfield about the 1964 earthquake experience in Valdez. Summary of the earthquake’s cause and effects from the Alaska Earthquake Information Center. Latitude: 61° 02' 60.00" N On March 27, 1964, at 5:36 PM, a megathrust earthquake occurred in the Prince William Sound region of Alaska. Satellite map of 1964 Alaska earthquake . Today, it is one of the most important ports in Alaska, a commercial fishing port as well as a freight terminal. An examination of the 1964 Alaska Good Friday Earthquake from a (pre- plate tectonics theory) geological point of view. Learn vocabulary, terms, and more with flashcards, games, and other study tools. It was the largest U.S. earthquake ever recorded, and a turning point in earth science. 1964-03-28 03:36:16 UTC at 03:36 March 28, 1964 UTC Location: Epicenter at 60.908, -147.339 59.2 km from Valdez (36.2 miles) Southern Alaska [2006]. This is the second largest earthquake ever recorded and the largest ever recorded in North America. Maximum height reported for … The shallow earthquake was the result of thrust faulting on the Aleutian subduction zone where the Pacific plate subducts underneath the North American plate, forming the Aleutian Trench and Arc.This convergent boundary is one of the most active in the world, and was the location of the M w 9.2 1964 Alaska earthquake; the largest recorded in North America, and the second largest in the world. 1964 Alaska Earthquake Tsunami - Anchorage Memories 1964 Alaska Earthquake Tsunami is a first hand look from the deck of a ship off Kodiak Island by Jerry Tilley. On Good Friday, March 27, 1964, the largest earthquake ever to hit North America struck Alaska. Credits. This USGS Fact Sheet by Thomas M. Brocher, et al. See more » Alaska Department of Military and Veterans Affairs The Alaska Department of Military and Veterans Affairs manages military and veterans affairs for the U.S. state of Alaska. Saved by Marie Hollibaugh 1964 Alaska Earthquake North American Plate Anchorage Alaska School Photos Heaven On Earth Natural Disasters Homeland History Historia 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. If you put the words: Alaska earthquake 1964. Read personal accounts of the earthquake and submit your own story. Extensive damage in coastal areas resulted from submarine landslides and tsunamis. Alaska 1964 Earthquake Stories; My 1964 Earthquake Experience in Turnagain; My 1964 Earthquake Experience in Turnagain. It highlights case study sites of Whittier and Seward during the 1964 Alaska Mag 9.2 earthquake to show how differences in location, topography, and land use can lead to different tsunami experiences in different communities. [2] Across south-central Alaska, ground fissures, collapsing structures, and tsunamis resulting from the earthquake caused about 139 deaths. It demonstrates how seismic resonances increase when there is in increase in the significant planetary geometric configurations occuring along with an equally significant orientation of the primary planes … Location Magnitude Property damage 1 2011 Tōhoku earthquake and tsunami: Japan: 9.1: $235 billion: 2 1995 Great Hanshin earthquake: Japan: 6.9 0:37 Narrator: … The sea floor rose 36 feet in some … An animation about tsunami-generating megathrust earthquakes using examples from Japan (2011), Chile (2010), and Alaska (1964) to describe structures that generate deadly tsunamis including: megathrust plate-boundary displacement, deformation of the overriding plate by splay faulting and/or folding, and earthquake-generated landslides. plus-circle Add Review. Location Taken: Anchorage, AK, US. Lessons Learned From the 1964 Great Alaska Earthquake in Disaster Management M. Tolon 1 and D. N. Ural 2 ABSTRACT It is not possible to predict the time and location of the next big earthquake, but the active geology of world guarantees that major damaging earthquakes will continue to occur. Alaska earthquake of 1964, earthquake that occurred in south-central Alaska on March 27, 1964, with a moment magnitude of 9.2. Being in a grocery store (love Piggly Wiggly) had to be scary because of things like the swaying overhead lights that you mentioned and items falling from the shelves. But the house kept rocking. Updates? The 1938 event produced a small tsunami that was recorded both locally and in Hilo, Hawaii. The 1964 earthquake was a defining moment in a territory that had just achieved statehood. Since we first started meas… The 1964 Alaskan earthquake, also known as the Great Alaskan earthquake and Good Friday earthquake, occurred at 5:36 P.M. AST on Good Friday, March 27. Start studying 1964 Alaska Earthquake. “The 1964 Alaska Earthquake and Tsunami” lecture by George Plafker, USGS Geologist Emeritus. More earthquake animations: iris.edu/educateThe 1964 Great Alaska Earthquake occurred on Good Friday, March 27th. On March 27th, 1964, the second largest instrumentally recorded earthquake worldwide rocked southern Alaska for 4 to 5 minutes. Geology. Some damage was reported. [2] Across south-central Alaska, ground fissures, collapsing structures, and tsunamis resulting from the earthquake caused about 139 deaths. But geologists are more concerned about the hazards Alaskans face from more frequent, smaller quakes along the Aleutian subduction zone, between magnitude 7 and magnitude 8. The Great Alaska Earthquake remains the strongest recorded earthquake to strike North America, and it is the world's second strongest (after the 1960 M9.5 quake that struck Chile). This 1964 earthquake footage from Valdez, Alaska, shows Valdez Harbor emptying of water and the tsunami rushing back in. Landmasses were thrust up locally as high as 82 feet (25 metres) to the east of a line extending northeastward from Kodiak Island through the western part of Prince William Sound. On March 28, 1964, at 03:28 GMT, an earthquake occurred in Prince William Sound of Alaska triggering a Pacific-wide tsunami. Let us know if you have suggestions to improve this article (requires login). This Alaskan earthquake is also known as the Good Friday quake because it occurred during that Christian holy day. The earthquake rupture started approximately 25 km beneath the surface, with its epicenter about 6 miles (10 km) east of the mouth of College Fiord, 56 miles (90 km) west of Valdez and 75 miles (120 km) east of Anchorage. This tsunami was generated by the 9.2 magnitude earthquake under Prince William Sound, Alaska on March 27, 1964. Rare Alaska 1964 Earthquake pictures from survivors tell incredible stories of destruction in Anchorage during the 9.2 Good Friday earthquake. The rupture originated at a depth of 15.5 miles, and the fault rupture plane extended 500 miles long and 125 mile wide. 1964 Great Alaska earthquake was a low-angle thrust fault. This opinion piece by USGS geologist Peter Haeussler, et al. In this March 1964 photo released by the U.S. Geological Survey, the Government Hill Elementary School is shown destroyed by a landslide following an earthquake in Anchorage, Alaska… Special Earthquakes, Earthquake Sequences, and Fault Zones, Real-time Notifications, Feeds & Web Services. On Oct. 27, 1962, two months after moving back to Alaska, Alice felt the “sharpest” earthquake so far. Instead, your task is to locate answers on-site to four questions about the geology of this location, and to email or message your answers to the cache owner to demonstrate what you’ve learned here during your visit. Local waves claimed at least 82 lives. Latitude: 61° 02' 60.00" N Longitude:-147° 28' 28.79" W. Nearest city to this article: Valdez, Alaska Read about 1964 Alaska earthquake in the Wikipedia Satellite map of 1964 Alaska earthquake in Google Maps GPS … Ned Rozell’s personal account of his meeting with George Plafker, one of three USGS Geologists who responded to the Alaska quake a few days after event. the 1964 Prince William Sound earthquake compatible with available seismological data, tectonic information, and eyewitness accounts. HealthAnalytics@Alaska.gov. The Alaska-Aleutian Trench also hosted the second largest earthquake recorded by modern seismic instrumentation, the M9.2 March 27 1964 earthquake, which ruptured to within about 250 km of this event, at the eastern end of the 1938 rupture area. The epicenter of the 9.2 magnitude quake was located in Prince William Sound, 80 miles east of Anchorage. Shaking in the Anchorage area lasted for 4 to 5 minutes … The Alaska earthquake of 1964 was very powerful--a 9.2 out of 10 on the Richter magnitude scale. Includes extensive archival footage of the earthquake and aftermath. Our editors will review what you’ve submitted and determine whether to revise the article. Map does not show the height or strength of the waves, only the calculated travel times. This article was most recently revised and updated by, https://www.britannica.com/event/Alaska-earthquake-of-1964, USGS Earthquake Hazards Program - 1964 Alaska Earthquake Damage Photos, United States History - Great Alaskan Quake of 1964. That's mostly thanks to strict building codes passed after a 1964 Alaska earthquake. The 1964 Alaska earthquake, also known as the Great Alaska earthquake, began at 5:36 P.M. AST on Friday, March 27, 1964. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. !! Tenth U.S. National Conference on Earthquake Engineering Frontiers of Earthquake Engineering July 21-25, 2014 10NCEE Anchorage, Alaska LESSONS LEARNED FROM THE 1964 GREAT ALASKA EARTHQUAKE IN DISASTER MANAGEMENT M. Tolon 1 and D. N. Ural 2 ABSTRACT It is not possible to predict the time and location of the next big earthquake, but the active The white star and thick line indicate epicenter and source area of the 1964 Alaska earthquake, respectively. After the 1964 megathrust earthquake, three-quarters of the Aleutian subduction zone ruptured in a span of eight years. The March 27, 1964, earthquake was accomp anied by crustal deformation-including warping, horizontal distortion, and faulting-over probably more than 110,000 square miles of land and sea bottom in south-central Alaska. 0:26 (Title Screen) 0:30 Narrator: In 1964, scientists did not understand how or why it occurred. 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). Four out of five earthquakes in the United States occur in Alaska. by Carl W. Stover and Jerry L. Coffman, USGS circular published one month after the earthquake by Arthur Grantz, George Plafker, and Reuben Kachadoorian detailing their scientific investigations of the quake. Alaska earthquake of 1964, earthquake that occurred in south-central Alaska on March 27, 1964, with a moment magnitude of 9.2. The 1964 Alaska tsunami was the second largest ever recorded, again following only the one caused by the 1960 Chile earthquake (4 meters at Sitka). Bob thought the house was shaking because Alice had done something wrong with the washing machine. Animations explain the magnitude (Just how big is 9.2? A magnitude 6.9 earthquake struck south of Alaska on February 6 at a depth of 20.0 km. It is an expanded version of the four minute video "Magnitude 9.2". The earthquake that occurred on March 27, 1964 was the largest in US history (magnitude 9.2 on the Richter scale) and the second largest ever recorded in the world . give a good introduction to … Alaska Facts and Figures . 0:16 Narrator: In 1964, Alaska was shaken by the largest 0:20 U.S. earthquake ever recorded: Magnitude 9.2. Produced by Creative Arts Studio in 1964 for the USGS. The 1964 Alaska 9.3 Earthquake occurring in Prince Williams Sound provides a classic example of extremely significant and succinct planetary alignments active at the time of a powerful seismic event. Of the 119 deaths attributable to the effects of the ocean, about one-third were due to the open-ocean tsunami: 4 at Newport Beach, Oregon; 12 at Crescent City, California; and about 21 in Alaska. Reviews Reviewer: DBeckstead - favorite favorite favorite - August 23, 2013 Subject: … The magnitude 7.0 earthquake that hit Anchorage, Alaska, on Friday caused no fatalities or widespread building damage, according to officials. The Alaska earthquake was very powerful. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Anchorage, Alaska, after the earthquake of 1964. IRIS webpage dedicated to George Plafker, a USGS field geologist noted for his studies of subduction-zone and backarc thrust earthquakes. This “Story map” combines an interactive map with historic photos of the earthquake. comment. Location map of southern Alaska. 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. Fifty years later, it continues to shape Alaska, its people, and the science of earthquakes. "1964 Quake: The Great Alaska Earthquake" is an eleven minute video highlighting the impacts and effects of America's largest recorded earthquake. An expanded version (11 min) is also available: 1964 Quake: The Alaska Earthquake Scientists have estimated where large earthquakes are most likely to occur, and the probable levels of ground … Largest Earthquake in … Regional uplift and subsidence occurred mainly in two nearly parallel elongate zones, together about 600 miles long and as much as 250 miles wide, that lie along the … IRIS video directed by Robert F. Butler explaining the science behind the 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. 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. to put my earthquake story into words. It was the most powerful recorded earthquake in U.S. and North American history, at a shocking magnitude … Ring in the new year with a Britannica Membership. …also known as the Great Alaskan Earthquake, the Portage Earthquake and the Good Friday Earthquake, lasted nearly four minutes on Good Friday, March 27, 1964. Abstract. I … Ichinose et al. See more ideas about earthquake, alaskan, 1964 alaska earthquake. 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. The areas shaded with crosses denote the asperities of Prince William Sound (PWS) and Kodiak. The Alaska earthquake was a 9.2, which is really strong! U.S. Geological Survey Professional Paper 1527, 0:11 George Plafker: "Everything was in chaos." 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. Hear a first-person account of the event, watch an animation that illustrates the subduction of the Pacific plate under the North American plate, and observe how Valdez was affected. The dark shaded area denotes the area of slow slip event (SSE) reported by Ohta et al. April 30–May 2, 2014 in Anchorage, Alaska. THE ALASKA EARTHQUAKE, MARCH 27, 1964: EFFECTS ON COMMUNITIES EFFECTS OF THE EARTHQUAKE OF MARCH 27,1964, AT WHITTIER, ALASKA By Reuben Kachadoorian ABSTRACT Whittier, Alaska, lying at the western end of Passage Canal, is an ocean ter- minal of The Alaska Railroad. On March 27, 1964 at 5:36 p.m., the largest earthquake ever to strike North America shook Southcentral Alaska for nearly five minutes. Welcome to an earthcache, where there is no container to find or logbook to sign. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Can you name the biggest earthquake that ever happened in the United States? STORY OF THE 1964 ALASKA EARTHQUAKE AND ITS TRAGIC EFFECTS - THE STORY OF THE POST-DISASTER EFFORT TO REHABILITATE THE LAND AND ITS PEOPLE. Both were created as part of USGS activities acknowledging the fifty year anniversary of the quake on March 27, 2014. The epicenter was 75 miles east of Anchorage in the Prince William Sound. (en Español). This was a great leap forward in resolving key mechanisms of the developing theory of plate tectonics. In addition to the earthquake, the event triggered a major tsunami that caused casualties and damage from the Kodiak Islands to northern California. The purpose of the group is to bring together both institutions and individuals who have an interest in reducing earthquake hazards in Alaska. The map shows the epicenter of the 1964 Alaska Earthquake (red star), caused when the Pacific Plate lurched northward underneath the North American Plate. And to you C.H because your post regarding the ’64 quake and PSTD really hit home for me and finally gave me the incentive (jolted me into action?) 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). Description. alaska tsunami 1964 Oral presentations, poster sessions, exhibits, field trips, business meetings and social gatherings all provide participants the opportunity to meet and share with their peers. Uploaded by Public.Resource.Org. Transcript. On March 27, 1964 at 5:36pm local time (March 28 at 3:36 UTC) a great earthquake of magnitude 9.2 occurred in the Prince William Sound region of Alaska. Lasting four minutes and thirty-eight seconds, the magnitude 9.2 earthquake remains the most powerful earthquake recorded in North … It was a thrust fault over the subduction zone where the ocean plate was diving under the continental plate. 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. The earthquake tilted an area of at least 46,442 square miles (120,000 square km). Welcome to an earthcache, where there is no container to find or logbook to sign. In Focus On March 27, 1964, a megathrust earthquake struck Alaska, about 15 miles below Prince William Sound, halfway between Anchorage and Valdez. Corrections? 1964 Earthquake Mortality in Alaska Background . 50th Anniversary of the 1964 Earthquake Earthquake history, photos, videos, and more from the Alaska Division of Homeland Security & Emergency Management. We are generating low-frequency strong ground motions on selected location and on a dense grid of points extending over the shallow dipping fault of the 1964 Alaska earthquake, as well as There were premonitions. To the west, land sank as much as 8 feet (2.5 metres). This megathrust earthquake attacked south-central Alaska and caused ground fissures, collapsing structures, and tsunamis. !! It highlights case study sites of Whittier and Seward during the 1964 Alaska Mag 9.2 earthquake to show how differences in location, topography, and land use can lead to different tsunami experiences in different communities. Apr 1, 2014 - Learn about the Great Alaska Earthquake of 1964 in this video adapted from the Valdez Museum & Historical Archive. ), rupture processes, elastic rebound, and resulting tsunami. The 1964 Alaska earthquake, also known as the Great Alaska earthquake, began at 5:36 P.M. AST on Friday, March 27, 1964. The earthquake had a surface-wave magnitude of 8.4, an epicenter of 61.1° N, 147.5° W, and a depth of 23 km. The raised islands and tree graveyards along Alaska’s coast suggest that megathrust earthquakes similar to the 1964 temblor happen sometime between every 330 and 900 years. Addeddate 2010-06-05 23:48:44 Identifier gov.dod.dimoc.30190. The Great M9. The March 27, 1964, earthquake was accomp anied by crustal deformation-including warping, horizontal distortion, and faulting-over probably more than 110,000 square miles of land and sea bottom in south-central Alaska. who I promised this to some time ago. 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