It happened in Alaska on March 27, 1964. Local waves claimed at least 82 lives. This 1964 earthquake footage from Valdez, Alaska, shows Valdez Harbor emptying of water and the tsunami rushing back in. [2] Across south-central Alaska, ground fissures, collapsing structures, and tsunamis resulting from the earthquake caused about 139 deaths. Learn about the great leaps in research over the past 50 years. Location map of southern Alaska. [3] Lasting four minutes and thirty-eight seconds, the magnitude 9.2 megathrust earthquake was the most … This is the second largest earthquake ever recorded and the largest ever recorded in North America. On March 27, 1964 at 5:36 p.m., the largest earthquake ever to strike North America shook Southcentral Alaska for nearly five minutes. This was a great leap forward in resolving key mechanisms of the developing theory of plate tectonics. It is an expanded version of the four minute video "Magnitude 9.2". plus-circle Add Review. 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 map shows the epicenter of the 1964 Alaska Earthquake (red star), caused when the Pacific Plate lurched northward underneath the North American Plate. Seismicity of the United States, 1568-1989 (Revised), Latitude: 61° 02' 60.00" N 1964 Alaska Earthquake: Subsidence at Palmer Hay Flats. 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 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 … Thank you for sharing your 1964 Alaska earthquake story. Corrections? That earthquake had a magnitude of 9.2, the second-largest ever recorded, and killed more than 130 people. It was a thrust fault over the subduction zone where the ocean plate was diving under the continental plate. This “Story map” combines an interactive map with historic photos of the earthquake. A magnitude 5.4 earthquake struck Yunnan Province, China on February 13 at a depth of 15.0 km. OR. The municipality says Southcentral Alaska is still tallying up extensive damage, as aftershocks continue to disrupt the ground. This Alaskan earthquake is also known as the Good Friday quake because it occurred during that Christian holy day. Updates? Excerpt from the TV show “The Big Picture” produced by the US Army in 1966 about the Alaska Earthquake and its tragic effects. United States Government Printing Office, Washington: 1993. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. The Great M9. 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 The Great Alaska earthquake struck at 5:36 p.m. Alaska Standard Time on March 27, 1964. 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. This photo shows evidence of the subsidence at the Government Hill School location, Anchorage. give a good introduction to … The 1938 event produced a small tsunami that was recorded both locally and in Hilo, Hawaii. Thin and thick dashed lines indicate the isodepth contour of subducting … I … Let us know if you have suggestions to improve this article (requires login). The areas shaded with crosses denote the asperities of Prince William Sound The Richter magnitude scale goes from 1 to 10, and 10 is the most powerful. Earthquake history, photos, videos, and more from the Alaska Division of Homeland Security & Emergency Management. 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. 0:16 Narrator: In 1964, Alaska was shaken by the largest 0:20 U.S. earthquake ever recorded: Magnitude 9.2. The purpose of the group is to bring together both institutions and individuals who have an interest in reducing earthquake hazards in Alaska. Omissions? The map shows the epicenter of the 1964 Alaska Earthquake (red star), caused when the Pacific Plate lurched northward underneath the North American Plate. Explains how Yakutat terrane accretion drives mountain building and crustal fault earthquakes like the 2002 M7.9 Denali Earthquake. 1964 Alaska Earthquake: Subsidence at Palmer Hay Flats. But the house kept rocking. 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. Great Alaska Earthquake Story by: Mike Your story is the first one I've read recounting the 1964 earthquake in Fairbanks. 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. Abridged from Apr 1, 2014 - Learn about the Great Alaska Earthquake of 1964 in this video adapted from the Valdez Museum & Historical Archive. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. 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… 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. 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. “The 1964 Alaska Earthquake and Tsunami” lecture by George Plafker, USGS Geologist Emeritus. 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 . alaska tsunami 1964 The earthquake lasted approximately 4.5 minutes and is the most powerful recorded earthquake in U.S. history. 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. 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. On Oct. 27, 1962, two months after moving back to Alaska, Alice felt the “sharpest” earthquake so far. IRIS video directed by Robert F. Butler explaining the science behind the earthquake. Location Taken: Anchorage, AK, US. 50th Anniversary of the 1964 Earthquake Earthquake history, photos, videos, and more from the Alaska Division of Homeland Security & Emergency Management. Alaska earthquake of 1964, earthquake that occurred in south-central Alaska on March 27, 1964, with a moment magnitude of 9.2. Satellite map of 1964 Alaska earthquake . In Focus On March 27, 1964, a megathrust earthquake struck Alaska, about 15 miles below Prince William Sound, halfway between Anchorage and Valdez. 0:11 George Plafker: "Everything was in chaos." Special Earthquakes, Earthquake Sequences, and Fault Zones, Real-time Notifications, Feeds & Web Services. Credits. Start studying 1964 Alaska Earthquake. Scientists have estimated where large earthquakes are most likely to occur, and the probable levels of ground … 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. April 30–May 2, 2014 in Anchorage, Alaska. 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). Her husband, Bob, was working on the roof and her first thought was that he had fallen. Four out of five earthquakes in the United States occur in Alaska. [2007] recently reanalyzed of the seismic data, in combination with Figure 1. In addition to the earthquake, the event triggered a major tsunami that caused casualties and damage from the Kodiak Islands to northern California. On March 28, 1964, at 03:28 GMT, an earthquake occurred in Prince William Sound of Alaska triggering a Pacific-wide tsunami. Read personal accounts of the earthquake and submit your own story. 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. Bob thought the house was shaking because Alice had done something wrong with the washing machine. The 1964 Alaska earthquake, also known as the Great Alaska earthquake, began at 5:36 P.M. AST on Friday, March 27, 1964. The Great Alaska earthquake struck at 5:36 p.m. Alaska Standard Time on March 27, 1964. Lasting four minutes and thirty-eight seconds, the magnitude 9.2 earthquake remains the most powerful earthquake recorded in North … 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. 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. It was just past 5:30 in the evening when the earthquake hit and the ground shook for almost 5 minutes. An examination of the 1964 Alaska Good Friday Earthquake from a (pre- plate tectonics theory) geological point of view. There were premonitions. 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. SSA’s 2014 Annual Meeting will provide a stimulating exchange of research on a wide range of topics with colleagues from all over the world. Scientists measure the power of an earthquake using the Richter magnitude scale. Ring in the new year with a Britannica Membership. Saved by Marie Hollibaugh 1964 Alaska Earthquake North American Plate Anchorage Alaska School Photos Heaven On Earth Natural Disasters Homeland History Historia 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 was very powerful. give a good introduction to tsunami produced by earthquakes and landslides. Addeddate 2010-06-05 23:48:44 Identifier gov.dod.dimoc.30190. The white star and thick line indicate epicenter and source area of the 1964 Alaska earthquake, respectively. STORY OF THE 1964 ALASKA EARTHQUAKE AND ITS TRAGIC EFFECTS - THE STORY OF THE POST-DISASTER EFFORT TO REHABILITATE THE LAND AND ITS PEOPLE. 0:37 Narrator: … 1964 Earthquake Mortality in Alaska Background . [2006]. Figure 8.11 Calculated travel time map for the tectonic tsunami produced by the 1964 earthquake in Alaska. 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