Every year at this time, I take a few moments to reflect on the March 27, 1964 Great Alaska Earthquake and tsunamis. Description. The Great Alaskan earthquake, which lasted approximately 4.5 minutes, is the most powerful recorded earthquake in U.S. history and the second largest ever recorded, next to the M9.5 earthquake in Chile in 1960. 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. On March 27, 1964, a megathrust earthquake struck Alaska, about 15 miles below Prince William Sound, halfway between Anchorage and Valdez. Maps & Other Oversized Sheets Plate 1, Map showing ground deformation resulting from the 1964 Alaska earthquake in south-central Alaska, scale 1:2,000,000 (1.4 M) Plate 2, Map showing ground deformation resulting from the 1964 Alaska earthquake in the Prince William Sound Region, scale 1:500,000 (766.0 K) Where disaster struck - Map locates cities in Alaska, including Anchorage, the largest in the 49th state, which were hit by Friday night's earthquake. Check out Great Alaskan Earthquake Survivor right now. The quake had a … DOUBLE BONUS Join the Fun 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. 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. An amazing story of survival. The earthquake struck at 5:36 in the evening on Good Friday, when most people were at home with their families. The Great Alaska Earthquake (also known as the Good Friday Earthquake) occurred at a pivotal time in the history of earth science, and helped lead to the acceptance of plate tectonic theory (Cox, 1973; Brocher and others, 2014). On March 27, 1964, at 5:36 p.m., a magnitude 9.2 earthquake, the largest recorded earthquake in U.S. history, struck southcentral Alaska (fig. Latitude: 61° 02' 60.00" N 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). Across south-central Alaska, ground fissures, collapsing buildings, and tsunamis directly caused about 131 deaths. 1964 Press Photo Map Shows Earthquake Effects in Alaska, West Coast, Hawaii This is an original press photo. When Alaska was hit by a devastating earthquake in 1964, it was the voice of Genie Chance — a journalist, wife and mother — that held the state together in the aftermath. Immediate but temporary ef- fects included increased stream dis- Together, the earthquake and the tsunamis it generated killed 139 people and changed Alaska forever. Map via USGS. Violent shaking lasted for about five minutes. Great Alaskan Earthquake Survivor A powerful story about a young teenage girl caught in the JC Penney building during the 1964 earthquake. Satellite map of 1964 Alaska earthquake The 1964 Alaskan earthquake , also known as the Great Alaskan earthquake and Good Friday earthquake , occurred at 5:36 P.M. 1). 1964 alaska earthquake and tsunami. The 1964 Alaska earthquake, also known as the Great Alaska earthquake, began at 5:36 P.M. AST on Friday, March 27, 1964. This Alaskan earthquake is also known as the Good Friday quake because it occurred during that Christian holy day.

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