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). Slide-generated wares, possibly seiche waves, and seismic sea waves crashed onto shore; ware runup was as much as 30 feet above mean lower low water and caused tremendous damage; fire from burning oil tanks added to the destruction.
1964 Alaska earthquake damage.
The epicenter of the earthquake was 78 miles east of Anchorage, Alaska. Four out of five earthquakes in the United States occur in Alaska.
The till is predominantly silt and sand and lesser amounts of clay-size particles, gravel, cobbles, and boulders.
Privacy URL: https://pubs.usgs.gov/pp/0542e/ The Alaska Earthquake of 1964. Fans and fan-deltas have been deposited at the valley mouths of tributary streams. Eighty-six houses were totally destroyed and 260 were heavily damaged. browser may not display or print as intended. to near vertical. Cars were buried and overturned by huge slabs of ice pushed ashore by tidal wave which followed quake.Photo measures 9.5 x 7.5inches.
It is one of five uplifted terraces on the island, and a surf-cut rock platform exposed between the base of the sea cliff and the new high tide level is a sixth terrace formed by uplift of about 11 feet in 1964.
On the other hand, tectonic uplift of the land in the Prince Williams Sound region required deepening of the small-boat harbors at Cordora and Tatitlek, dredging of the waterways in the Cordova area, and lengthening of some docks or piers at Cordova, the Cape Hinchinbrook Light Station, and in Sawmill Bay. Alaska Earthquake March 27, 1964. Official websites use .gov Over 10,000 aftershocks were recorded following the main earthquake. The Magic Bullet is just $15 during Walmart's Black... Walmart just announced that 'Black Friday' starts Nov. 4, You can get a Chromebook for $129 on Black Friday. Office—Earthquake Science Center Magnitude 9.2: The 1964 Alaska Earthquake. Draymond to Bron: 'Y’all can go to the White House and... How the Bay Area is celebrating the historic Biden/Harris victory, These SF neighborhoods had the highest turnout for Trump, SF Mayor Breed pauses some openings with uptick in cases. Destructive local waves that devastated shores of Anderson Bay and adjacent parts of western Port Valdez probably were generated primarily by massive submarine slides of glacial and fluvioglacial deposits ; the origin of the waves that caused damage at most of the other communities and at extensive uninhabited segments of shoreline is not known. Alaska Earthquake March 27, 1964.
A seismogram of the 1964 Alaska earthquake recorded in Namibia. Uplifted sea floor at Cape Cleare on Montague Island in Prince William Sound in the area of the greatest recorded tectonic uplift on land (33 feet).
The tsunami also impacted the Bay Area.
(Image credit: USGS) The damage totaled about $300 million in 1964 dollars ($2.3 billion in 2013 dollars… Beach, deltaic, and estuarine sediments, deposited on intertidal flats at the head of the bay and along far1 margins that extend into the bay, arc mapped as intertidal deposits. Summary of the earthquake’s cause and effects from the Alaska Earthquake Information Center.
Receive news and offers from our other brands? At 5:36 pm, the earthquake struck and lasted for a total of four minutes and thirty two seconds.
The town of Valdez was moved to higher ground after the earthquake.
Buildings at right were called a total loss. Map of the United States showing the occurrence of seiche waves after the 1964 Alaska earthquake. Submarine sliding at the northwest corner of the bay occurred in fine-grained deltaic deposits whose frontal slopes probably were in metastable equilibrium under static conditions. Page Contact Information: Contact USGS Oil tanks failed and caught fire after the earthquake.
The total cost to replace the destroyed public and private facilities was estimated at $22 million. The deltaic deposits at the head of the bay probably also would be susceptible to sliding during another large earthquake.
Photo: Bill Ray, Time & Life Pictures/Getty Image, The fishing town of Kodiak after earthquake followed by a tidal wave.
The drift deposits consist chiefly of till that forms moraines along the lower flanks of the Resurrection River valley and up tributary valleys.
Photo by A. Grantz. Photo was taken near 7-foot tide stage.
There was a problem. Professional Paper In Chenega, 25 of the village's 76 residents drowned in a tsunami. The fan deposits range in thickness from about 100 feet to possibly several hundred feet and, at least in some places, lie on a platform of compact drift.
At the communities discussed herein, damage resulted primarily from sea waves of diverse origins, displacements of the land relative to sea level, and seismic shaking. For the 50thAnniversary, USGS Geologist Emeritus, George Plafker will review major effects of the earthquake with emphasis on the landslides and ground failures due to the unusually long seismic shaking. Finding and moving to new quarters is a principal occupation for thousands of Alaskans made homeless by the quake. The magnitude 9.2 quake hit at 5:30 p.m. on Good Friday, turning soil beneath parts of Anchorage into jelly and collapsing buildings that were not engineered to withstand the force of colliding continental plates. North America's largest earthquake rattled Alaska 50 years ago, killing 15 people and creating a tsunami that killed 124 more from Alaska to California. The moment magnitude scale, a better measure of seismic power, has since superseded the Richter scale.
Share sensitive information only on official, secure websites. Photo: Anonymous, ASSOCIATED PRESS, The small fishing village on Kodiak Island, in Alaska, littered with debris from houses and boats after an earthquake and tidal wave struck the island.
The earthquakes this summer have lasted only a few seconds. Seiche waves, sloshing of water back and forth in a small body of water like a boat harbor or swimming pool, were noted as far away as Louisiana, where a number of fishing boats were sunk. NY 10036. Except for a few cracked or toppled chimney, all the damage from shaking was confined to areas of thick, unconsolidated deposits.
12 p.m. —Lecture preview for USGS employees and news media representatives Free USGS Public Lecture February 27 The flat and relatively unbroken large slide block in the foreground moved away from the school horizontally and as a single mass, creating a void into which the graben block spread and subsided. Come learn about the great leaps in research over the last 50 years, and the research still underway to understand the remaining mysteries of earthquake hazards.
According to Wikipedia, as far away as 200 miles in Kodiak, the 1964 Alaska earthquake caused some areas to be permanently … On March 27, 1964, at 5:36 PM, a megathrust earthquake occurred in the Prince William Sound region of Alaska. Secure .gov websites use HTTPS The magnitude 9.2 quake hit at 5:30 p.m. on Good Friday, turning soil beneath parts of Anchorage into jelly and collapsing buildings that were not engineered to withstand the force of colliding continental plates.
The tallest tsunami wave height was 219 feet (67 m) in Shoup Bay in the Valdez Inlet. One famous part of the city gave him less than 3.5% of its share.
The magnitude 9.2 quake hit at 5:30 p.m. on Good Friday, turning soil beneath parts of Anchorage into jelly and collapsing buildings that were not engineered to withstand the force of colliding continental plates.
Photo is dated 03-29-1964. Thirteen people were killed and five were injured as a result of the earthquake.
These studies were augmented by geophysical studies both on land and in the bay.
Locals danced in the streets, poured champagne, and cheered in joy. Sliding along the Seward waterfront markedly deepened the water along the former shoreline.
It took 2.5 years to repair the earthquake damage to the Alaska Railroad. U.S. Geological Survey More information
This sliding would result in further landward retreat of the present shoreline toward the new railroad dock. 2. North America's largest earthquake rattled Alaska 50 years ago, killing 15 people and creating a tsunami that killed 124 more from Alaska to California.
Most of these units intergrade and were deposited more or less contemporaneously. An official website of the United States government.
Photo: Stan Wayman, Time & Life Pictures/Getty Image, A scene showing earthquake destruction in Anchorage.
North America's largest earthquake rattled Alaska 50 years ago, killing 15 people and creating a tsunami that killed 124 more from Alaska to California. On March 27th, 1964, the second largest instrumentally recorded earthquake worldwide rocked southern Alaska for 4 to 5 minutes.
The 1964 Alaska earthquake is reported to have caused approximately 128-131 deaths. Valley alluvium, deposited chiefly by the Resurrection River, consists mostly of coarse sand and fine to medium gravel. The four minute duration of shaking triggered many landslides and avalanches. Receive mail from us on behalf of our trusted partners or sponsors? Tsunamis hit in many areas, including Alaska, Canada, Oregon, California (and presumably Washington), and Hawaii. Photo: Nat Farbman, Time & Life Pictures/Getty Image. Muskeg-covered pre-earthquake marine terrace on Middleton Island at an altitude of 110-125 feet. Map of Alaska showing the areas of uplift and subsidence following the 1964 earthquake.
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