STEM Connections
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Science, technology, engineering and math in K-12
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Thousands of Earthquakes Recorded in Puget Sound in Just Two Weeks

Thousands of Earthquakes Recorded in Puget Sound in Just Two Weeks | STEM Connections | Scoop.it
Residents can't feel most of them, but there have been a lot of earthquakes in Puget Sound lately.

 

Tags: disasters, physical, tectonics.


Via Seth Dixon
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Ring of Fire

Ring of Fire | STEM Connections | Scoop.it
The Ring of Fire is a string of volcanoes and sites of seismic activity, or earthquakes, around the edges of the Pacific Ocean.

Via Seth Dixon
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Seth Dixon's curator insight, April 15, 2015 12:20 PM

The Ring of Fire is a series of plate boundaries where earthquakes and volcanic activity are commonplace.  Surrounding the edge of the Pacific Ocean, the Ring of Fire consists of a string of 452 volcanoes.


Tags physical, tectonics, disasters, K12.

Loreto Vargas's curator insight, July 2, 2015 10:07 AM

“El Anillo de Fuego” es una cadena de volcanes y lugares de actividad sísmica, o temblores, alrededor de los límites del Océano Pacífico.

“L’Anneau de Feu” c’est une chaine de volcans et de sites d’activité sismique, ou tremblements de terre, autour de limites de l’Océan Pacifique.

Lindley Amarantos's curator insight, August 6, 2015 3:54 PM

The Ring of Fire is a series of plate boundaries where earthquakes and volcanic activity are commonplace.  Surrounding the edge of the Pacific Ocean, the Ring of Fire consists of a string of 452 volcanoes.

 

Tags: physical, tectonics, disasters, K12.

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Motion of Tectonic Plates

"This video is from the BBC documentary film Earth: The Power Of The Planet.  The clip is also embedded in this story map that tells the tale of Earth’s tectonic plates, their secret conspiracies, awe-inspiring exhibitions and subtle impacts on the maps and geospatial information we so often take for granted as unambiguous."

 

Tags: physical, tectonics, disasters, mapping, geospatial, mapping, video, ESRI.


Via Seth Dixon
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How One Woman's Discovery Shook the Foundations of Geology

How One Woman's Discovery Shook the Foundations of Geology | STEM Connections | Scoop.it
Without ever setting sail, Marie Tharp mapped the ocean floor and made a discovery that shook the foundations of geology. So why did the giants of her field dismiss her findings as “girl talk"?

Via Seth Dixon
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Prof. Hankell's curator insight, December 19, 2014 9:27 AM

Marie Tharp v Experts...

Marianne Naughton's curator insight, December 20, 2014 11:32 AM

Marie's Ocean Discoveries ...  

Allan Tsuda's curator insight, December 21, 2014 7:12 PM

Not EdTech but great story. Embarrased I had never heard of Marie Tharp until now.

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Tsunami Animation

"The largest earthquake ever recorded by instruments struck southern Chile on May 22, 1960. This 9.5 magnitude earthquake generated a tsunami that crossed the Pacific Ocean, killing as many as 2000 people in Chile and Peru, 61 people in Hilo, Hawaii, and 142 people in Japan as well as causing damage in the Marquesas Islands (Fr. Polynesia), Samoa, New Zealand, Australia, the Philippines, and in Alaska's Aleutian Islands.  To see how this tsunami compares with two recent tsunamis from Chile, please watch http://youtu.be/qoxTC3vIF1U "

 

Tags: physical, geomorphology, water, tectonics, disasters, video.


Via Seth Dixon
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Seth Dixon's curator insight, September 24, 2015 8:19 AM

In 1700, Japan was hit by a tsunami; they knew that tsunamis were caused by earthquakes, but there was no earthquake of that magnitude in Japan that could have caused it.  They called it the Orphan Tsunami, and it puzzled everyone.  Centuries later, data confirmed that a massive earthquake in the Pacific Northwest occurred in 1700 and it's tsunami traveled across the ocean much like the this computer simulation of the 1960 Chile earthquake.   

Maricarmen Husson's curator insight, September 24, 2015 9:23 PM

Tsunami ocurrido en Chile el 22 de Mayo de 1960 donde murieron 2000 personas en Chile y Perú, 61 en Hilo Hawaii, 142 en Japón causando daños en Islas Marquesas Polinesia , Samoa, Nueva Zelanda, Australia, Filipinas, Alaska's Islas Aleutianas.....enlace para ver la comparación con el Tsunamis recientes en Chile (2015)

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Plate Tectonics and the Formation of Central America and the Caribbean

This animation is made from a time series of maps reconstructing the movements of continental crust or blocks, as South America pulled away from North America, starting 170 million years ago. Note that South America is still clinging to Africa at the beginning of the series.

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Seth Dixon's curator insight, May 22, 2015 4:37 PM

The land bridge connecting North and South America is hardly permanent (on a geological time scale that is).  This video is an animated version of the still maps from this article.  


Tags: Mexico, tectonicsphysical, video, Middle America.

Sameer Mohamed's curator insight, May 27, 2015 8:54 AM

The intriguing thing about this video is that it puts into perspective the amount of time that humans have been on this earth. In in less than a million years we have gone from not existing to shaping the ground that we walk on.

Courtney Barrowman's curator insight, May 27, 2015 10:46 AM

Summer reading KQ1

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Nepal earthquake: Hundreds die, many feared trapped

Nepal earthquake: Hundreds die, many feared trapped | STEM Connections | Scoop.it
At least 970 people have died as Nepal suffered its worst earthquake for more than 80 years, with deaths also reported in India, Tibet and Bangladesh.

 

Tags: Nepal, disasters, physical, tectonics.


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Gene Gagne's curator insight, November 18, 2015 12:48 PM

We have learned that the Himalayas are growing everyday while our Appalachians in the united states are shrinking. What does this all mean? In the platonic spectrum it means in Nepal, earthquakes.

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Plate tectonics may control reversals in the Earth's magnetic field

Plate tectonics may control reversals in the Earth's magnetic field | STEM Connections | Scoop.it

The Earth's magnetic field has reversed many times at an irregular rate throughout its history. Long periods without reversal have been interspersed with eras of frequent reversals. What is the reason for these reversals and their irregularity? Researchers from CNRS and the Institut de Physique du Globe, France, have shed new light on the issue by demonstrating that, over the last 300 million years, reversal frequency has depended on the distribution of tectonic plates on the surface of the globe. This result does not imply that terrestrial plates themselves trigger the switch over of the magnetic field. Instead, it establishes that although the reversal phenomenon takes place, in fine, within the Earth's liquid core, it is nevertheless sensitive to what happens outside the core and more specifically in the Earth's mantle. This work is published on 16 October 2011 in Geophysical Research Letters.


Via Sakis Koukouvis, dana pupkin
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