The event occurred along the Aleutian Trench, the convergent plate boundary that separates the Pacific Plate and the North American Plates near Alaska.

The back arc thrust event occurred within the Vanuatu archipelago, just to the south of the volcanic island of Ambrym. No lives were lost in either the earthquake or the tsunami. Megathrust earthquakes occur at subduction zones at destructive convergent plate boundaries, where one tectonic plate is forced underneath another, caused by slip along the thrust fault that forms the contact between them. Aftershocks of the 7.1 quake: Andreanof Islands, Aleutian Islands, Alaska (USA), 12 Mar 1957 11h45 Show info about this Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. Interplate earthquakes associated at a subduction boundary are called megathrust earthquakes, which are the most powerful earthquakes. The zone varies in width and lies offshore beginning near Cape Mendocino Northern California, passing through Oregon and Washington, and terminating at about Vancouver Island in British Columbia. The Aleutian subduction zone is a ~2500 mile-long convergence boundary between the North American Plate and the Pacific Plate, that extends from the Alaska Range to the Kamchatka Peninsula. Find out more, an offensive content(racist, pornographic, injurious, etc. It occurred south of the Andreanof Islands group, which is part of the Aleutian Islands arc. 1259 km. Indonesia is highly active in terms of seismicity and volcanic eruptions, with a subduction zone and many faults. The 1957 Andreanof Islands earthquake took place on March 9 with a moment magnitude of 8.6 and a maximum Mercalli intensity of VIII. [4], In Alaska, the earthquake caused severe damage to roads and buildings on Adak Island, but no lives were lost. The 1957 Andreanof Islands earthquake was a magnitude 8.6 M W (8.3 M s) megathrust earthquake that took place on March 9, 1957. Strong mag. One aspect of the event that was certain was that the 750 mi (1,200 km) aftershock zone was the largest that had ever been observed. One aspect of the event that was certain was that the 750 mi (1,200 km) aftershock zone was the largest that had ever been observed.

Some effort was made with the limited data to gain an understanding of the rupture area and the distribution of slip. Here, the Pacific Plate is being subducted underneath the North American plate and the rate of subduction changes from west to east from 7.5 cm/yr to 5.1 cm/yr. Prompt warnings from the Seismic Sea Wave Warning System were credited with preventing greater damage or loss of life. Ro, Cookies help us deliver our services. March 9, 1957: The Andreanof Islands Earthquake. The 1957 Andreanof Islands earthquake was a magnitude 8.6 M W [1] (8.3 M s [2]) megathrust earthquake that took place on March 9, 1957. Company Information The slipping process creates an earthquake with relative displacement on either side of the fault, resulting in seismic waves which travel through the Earth and along the Earth's surface.

It had a magnitude of 8.7 and triggered a tsunami of over 10 m on Shemya Island, but caused very little damage. It caused the deaths of between 54 and 160 people. ○   Wildcard, crossword No other type of tectonic activity of terrestrial origin has produced earthquakes of this scale. It resulted in 165–173 casualties and over $26 million in damage.

), http://www.ngdc.noaa.gov/hazard/data/publications/pub41-2.pdf, USGS Earthquake Hazards Program - Andreanof Islands, Alaska, Magnitude 8.6, Alaska National Interest Lands Conservation Act, http://en.wikipedia.org/w/index.php?title=1957_Andreanof_Islands_earthquake&oldid=484502697. On Umnak Island, a concrete mixer and some docks were lost. Give contextual explanation and translation from your sites ! 6.1 earthquake - Andreanof Islands, Aleutian Islands, Alaska (USA, on Saturday, 7 September 1957 at 10:06 (GMT), Strong mag.

Add new content to your site from Sensagent by XML. The subduction zone can be defined by a plane where many earthquakes occur, called the Wadati–Benioff zone. The intensity in Petropavlovsk-Kamchatsky was about VIII MSK. Change the target language to find translations. 7.2 earthquake - Andreanof Islands, Aleutian Islands, Alaska (USA, on Saturday, 16 March 1957 at 02:34 (GMT), Major mag. ○   Boggle. The 1957 Guerrero earthquake occurred on 28 July at 08:40 UTC. The 1984 Northern Sumatra earthquake occurred with a moment magnitude of 7.2 on November 17 at 06:49 UTC. 6.3 earthquake - Andreanof Islands, Aleutian Islands, Alaska (USA, on Thursday, 14 August 1958 at 14:55 (GMT), Strong mag. About 50 homes were flooded on the north shore of Oahu and significant effects were seen in Waialua Bay. The seafloor along the fault was elevated, triggering a Pacific-wide tsunami with multiple destructive waves at heights ranging from 45–130 ft. The Andreanof Islands were strategically important in World War II; Adak (formerly Adak Station) was used as a staging point to win back the Japanese-held islands of Attu and Kiska. English Encyclopedia is licensed by Wikipedia (GNU). Since 1900, all earthquakes of magnitude 9.0 or greater have been megathrust earthquakes. The shock had a moment magnitude of 8.6 and a maximum Mercalli intensity of VI (Strong). Due to the remote location, there are no reports of damage associated with this earthquake.

The SensagentBox are offered by sensAgent. Mexico City and Chilpancingo were particularly badly affected. See more » Attu Island. This oceanic trench runs from the Kuril Subduction Zone in the west to the Yakutat Collision Zone in the east. The Aleutian Trench is an oceanic trench along a convergent plate boundary which runs along the southern coastline of Alaska and the Aleutian islands. It triggered a minor tsunami. They form the northernmost section of the so-called Pacific Ring of Fire.

The 1959 Kamchatka earthquake occurred on May 4 at 19:15 local time with a moment magnitude of 8.0, and a surface wave magnitude of 8.2. [2] It was centered at 51°30′N 175°42′W / 51.5°N 175.7°W / 51.5; -175.7 in the Alaska-Aleutian megathrust, south of the Andreanof Islands group of the Aleutian Islands in the U.S. state of Alaska.

On Umnak Island, a concrete mixer and some docks were lost. The 2004 Les Saintes earthquake occurred at 07:41:07 local time on November 21 with a moment magnitude of 6.3 and a maximum EMS-98 intensity of VIII.

The 1957 Andreanof Islands earthquake took place on March 9 with a moment magnitude of 8.6 and a maximum Mercalli intensity of VIII (Severe). for papers, reports, projects, ideas, documentation, surveys, summaries, or thesis. The island arc was created via volcanic eruptions from dehydration of the subducting slab at ~100 km depth. It is a very long, sloping subduction zone where the Explorer, Juan de Fuca, and Gorda plates move to the east and slide below the much larger mostly continental North American Plate. The Cascadia subduction zone is a convergent plate boundary that stretches from northern Vancouver Island in Canada to Northern California in the United States.

It gives a brief definition of each concept and its relationships. The 2,500 mi (4,000 km) Aleutian Subduction Zone is the convergent boundary of the Pacific and North American Plates. Available in English, Spanish, Portuguese, Japanese, Chinese, French, German, Italian, Polish, Dutch, Russian, Arabic, Hindi, Swedish, Ukrainian, Hungarian, Catalan, Czech, Hebrew, Danish, Finnish, Indonesian, Norwegian, Romanian, Turkish, Vietnamese, Korean, Thai, Greek, Bulgarian, Croatian, Slovak, Lithuanian, Filipino, Latvian, Estonian and Slovenian.

 |  The 2,500 mi (4,000 km) Aleutian Subduction Zone is the convergent boundary of the Pacific and North American Plates. You can also try the grid of 16 letters.

It had an estimated seismic moment of 3.8 x 1028 dyn cm−1, equivalent to a magnitude of 8.35 on the moment magnitude scale. While the National Geophysical Data Center classified the total damage as moderate, a destructive local tsunami did result in some deaths, with at least five killed and up to 100 injured. The source code for the WIKI 2 extension is being checked by specialists of the Mozilla Foundation, Google, and Apple. 6.4 earthquake - Andreanof Islands, Aleutian Islands, Alaska (USA, on Tuesday, 23 July 1957 at 00:45 (GMT), Strong mag.

A basin wide tsunami followed, with effects felt in Alaska and Hawaii. See more », [1] https://en.wikipedia.org/wiki/1957_Andreanof_Islands_earthquake.

Unusual effects at a volcanic lake on Dominica were also documented, and an aftershock caused additional damage three months later. By comparison, the effects were considered about twice as strong as that of the 1946 Aleutian Islands earthquake and resulting tsunami. There were no direct effects of the earthquake's shaking due to its low intensity, and the large loss of life from the event was due to the resulting tsunami, which inundated a 300 km (190 mi) portion of the Java coast that had been unaffected by the earlier 2004 Indian Ocean earthquake and tsunami that was off the coast of Sumatra. [2] It was centered at 51°30′N 175°42′W  /  51.5°N 175.7°W  / in the Alaska-Aleutian megathrust, south of the Andreanof Islands group of the Aleutian Islands in the U.S. state of Alaska. Buildings and bridges were also affected in Haleiwa. It is classified as a "marginal trench" in the east as it runs along the margin of the continent. Get XML access to reach the best products. 7.1 earthquake - Andreanof Islands, Aleutian Islands, Alaska (USA, on Thursday, 14 March 1957 at 14:47 (GMT), Strong mag.

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