Vertical displacements of land of up to 38 feet were recorded, affecting an area of 100,000 square miles in Alaska. How many people died in the earthquake that struck Alaska in 1964? Landslide and slumping effects in the Turnagain Heights area, Anchorage, Alaska, caused by the March 28, 1964, earthquake. The maximum tsunami wave height recorded was 67 meters (over 200 feet high) at Valdez Inlet. The number of deaths from the earthquake totalled 131; 115 in Alaska and 16 in Oregon and California. 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). (The USGS website says we've actually had thousands, but most are too small to feel.) The magnitude of the earthquake was 9.2. Seiches, a sort of sloshing of water back and forth in a small body of water like a boat harbor or swimming pool, were observed as far away as Louisiana where a number of fishing boats were sunk. At the time few people lived in the area. Caption for map: This map shows location of the 1964 earthquake: star - epicenter, open circles - aftershocks occurred within 1 month after the mainshock, solid black line - estimated extent of the ruptured fault from the seismic waveform inversion (Christensen and Beck, PAGEOPH, 1994). That's mostly thanks to strict building codes passed after a 1964 Alaska earthquake. The aftershock zone of this earthquake was about 250 km wide and extended about 800 km from Prince William Sound to the southwestern end of Kodiak Island. On March 27th, 1964, the second largest instrumentally recorded earthquake worldwide rocked southern Alaska for 4 to 5 minutes. Five-story J.C. Penney Building, 5th Avenue and Downing Street, Anchorage, Alaska, partly collapsed by the March 28, 1964 earthquake. In addition to the earthquake, the event triggered a major tsunami that caused casualties and damage from the Kodiak Islands to northern California. 147.73W, at a depth of approximately 25 km. The 1964 Alaska earthquake was the second largest ever recorded. Close-up of Government Hill elementary school, which … In the first day eleven aftershocks were recorded with magnitudes greater than 6.0. Assuming a simple cost of living increase of 4% per year, this equates to roughly $1.8B in 2010 dollars. It’s unlikely that any aftershocks will be as strong as the original quake, but it is possible, he said. The Good Friday Earthquake of March 27, 1964, was the most powerful earthquake in U.S. history, and the second largest earthquake in recorded history. On top of that, it is said to be the second most powerful earthquake to have ever occurred in the entire world. The earthquake’s epicenter was near Joint Base Elmendorf–Richardson, about 10 miles (16 km) north of Anchorage, and occurred at a depth of 29 miles (47 km). Damage from the earthquake is reported at $311M. We were able to achieve it by acquiring 96 of 158 temporary USArray sites in Alaska. Eighty-six houses were totally destroyed and 260 were heavily damaged. The recent earthquake still damaged numerous roads, and the full scope of it is still being assessed. It killed 131 people and caused an estimated $750 million in damages. Across south-central Alaska, ground fissures, collapsing structures, and tsunamis resulting from the earthquake caused about 131 deaths. The 1964 Alaska earthquake is reported to have caused approximately 128-131 deaths. The death toll was extrememly small for a quake of this magnitude due to low population … Valdez, Anchorage, and many villages along the Alaska Coast were significantly damaged or destroyed by the magnitude 9.2 earthquake and the tsunamis that followed. 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. Sixteen people died from resulting tsunamis in Oregon and California. In the first day there were 11 aftershocks with magnitudes greater than 6.0; in the next three weeks there were 9 more. The 1964 Alaska earthquake was a "subduction zone earthquake" (or "megathrust earthquake"), caused by an oceanic plate sinking under a continental plate. Tsunamis hit in many areas, including Alaska, Canada, Oregon, California (and presumably Washington), and Hawaii. I hope these 1964 Alaska earthquake facts have been interesting, and helpful. Near Cordova, the Million Dollar Bridge crossing the Copper River collapsed. The magnitude 9.2 earthquake, which resulted in 131 deaths (115 in Alaska and 16 in Oregon and California), was centered in the Prince William Sound region of Southcentral Alaska. The death toll was extrememly small for a quake of this magnitude due to low population density, the time of day and the fact that it was a holiday, and the type of material used to construct many buildings (wood). 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. The area where there was significant damage covered about 130,000 square kilometers. Map of southern Alaska showing the epicenter of the 1964 Alaska Earthquake (red star). 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. 2018 Anchorage earthquake. Thousands of aftershocks were recorded in the months following the mainshock. Thirteen people were killed and five were injured as a result of the earthquake. The 1964 Alaska earthquake last more than five minutes. Local waves claimed at least 82 lives. The 1964 Alaska earthquake is also referred to as The Good Friday Earthquake because of the date. On November 30, 2018, at 8:29 a.m. AKST (17:29 UTC), a magnitude 7.1 earthquake hit South Central Alaska. The 1964 earthquake generated huge waves in the ocean referred to as a "tsunami", or in this case, multiple tsunamis. 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. At the showing of the film, Channel 2 spoke with several survivors with haunting memories of their own from the violent earthquake. The number of deaths from the earthquake totalled 131; 115 in Alaska and 16 in Oregon and California. Size, but not size. The earthquake began at 5:36 p.m. local time, on March 27, 1964. How many earthquakes did Alaska have in 2018? The Alaskan towns of Kodiak and Valdez were totally devastated by a sunami and tremors from the… Only nine by the earthquake … States as far away as Texas and Florida were affected with vertical motions of up to 5 to 10 cm. UAF is an AA/EO employer and educational institution and prohibits illegal discrimination against any individual. An estimated 139 people were killed, most by tsunamis -- including 16 deaths on Oregon and California shorelines. (The scale used is not linear.). 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 … The town of Valdez was moved to higher ground after the earthquake. On March 27, 1964, at 5:36 PM, a megathrust earthquake occurred in the Prince William Sound region of Alaska. The Names of the Dead in the 1964 Alaskan Earthquake by PlanetAlaska published on 2013-03-27T07:02:29Z These are the names of the people who died in the 1964 Alaskan Earthquake/Tsunami The last name on the list is my cousin. Great 1964 Alaska Earthquake Good Friday alaska earthquake. Seiches, a sort of sloshing of water back and forth in a small body of water like a boat harbor or swimming pool, were observed as far away as Louisiana where a number of fishing boats were sunk. The duration of rupture lasted approximately 4 minutes (240 seconds). Much of the damage and most of the lives lost were due to the effects of water waves. The area in which it was felt was about 1,300,000 square kilometers (all of Alaska, parts of Canada, and south to Washington). The epicenter was located at Lat. All of those were more powerful than any earthquake we've had in 2010. The earthquakes this summer have lasted only a few seconds. 2010-03-24 12:20:40. 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).
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