Geography 200
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Rescooped by Elizabeth Bitgood from Geography Education!

Aerial Photographs Catalogue the Life and Death of Volcanic Islands

Aerial Photographs Catalogue the Life and Death of Volcanic Islands | Geography 200 |

Volcanic islands can seem to appear out of nowhere, emerging from the ocean like breaching monsters of the deep. Below, Mika McKinnon explains how these odd geological formations are born, how they evolve, and how they eventually vanish back beneath the waves.

Via Seth Dixon
Elizabeth Bitgood's insight:

This article gives a good description of how volcanic islands grow and then die.  It has beautiful pictures of these types of islands.

Kaitlin Young's curator insight, December 12, 2014 11:12 AM

Volcanic islands are not only a beautiful and powerful natural occurrence, but their landscapes have helped to create distinctive cultures. The people living on these islands have created intense ties with their natural environment, specifically the ocean. Living on a volcanic island has its challenges, and those inhabiting them must depend on the ocean for many of their resources. Also, I would imagine that the constant changing landscape combined with the ideal that the island emerged from the sea provides fodder for powerful folkloric creation stories. 


Samuel D'Amore's curator insight, December 17, 2014 4:53 PM

The birth, life, and death of these Polynesian is really a fascinating thing. As plates shift over hot spots in the earth's crust these small islands and archipelagos are born out of molten rock. It's no wonder that volcanoes hold such a important role in many Polynesian beliefs. This is also more evidence in the idea that the earth is ever changing and seemingly alive. The surface of the earth doesn't only shift continents of a millennium but these small islands crop up at an astounding rate.      

Jacob Crowell's curator insight, December 17, 2014 10:25 PM

Amazing Photographs, how islands are formed is a great way to show how physical geography is always changing. Whether its from one massive landmass to separate continents or a volcanic island into a reef.

Rescooped by Elizabeth Bitgood from Geography Education!

Unrest at Turrialba Volcano, Costa Rica

Unrest at Turrialba Volcano, Costa Rica | Geography 200 |
Emissions of gas and ash indicate an increase in activity at Costa Rica’s Turrialba volcano in January 2010.


A new vent opened this month on Turriabla, the easternmost of Costa Rica's active volacanoes.  This false-color, near-infrared satellite image would be an effective teaching tool to discuss the importantce of geospatial technologies to monitor the Earth's surface. 

Via Seth Dixon
Elizabeth Bitgood's insight:

This article reminds us of how fragile the earth’s crust can be.  The rock can be ‘rotten’ when it is cooled prematurely due to rain, causing it to fracture more easily.

Jessica Martel's curator insight, April 25, 2013 8:55 PM

its crazy how something so dangerous can be so pretty.

Jess Deady's curator insight, April 28, 2014 1:56 PM

Using different teaching methods and technologies is a part of every day life. Figuring out new ways to teach students about observing and identifying whats happening in a photo is highly important. This geospatial photograph can be used in many ways. It can be used to note color differences, and realize that this volcano has emissions that can be seen in the picture erupting from it.

James Hobson's curator insight, September 28, 2014 9:50 PM

(Central America topic 9)

Having a volcano that looms behind your city suddenly come back to life is about as much of a wakeup call as anybody would want. Though in this case it was determined that a major eruption was not immanent, it raises the question as to weighing the risks of living in such areas.  However, to me it seems that living at the base of Turriabla is not much more risky than living in other regions. Costa Ricans may have to deal with volcanoes, but so do those living around Mt. St. Helens, islands in the Pacific Ring of Fire, and even around Yellowstone. Aside from volcanoes, other environmental risks (floods, droughts, extreme temperatures, hurricanes, blizzards, landslides, tornadoes, wildfires, etc.) are other things just as worthy of being revered. So if you're safe from volcanoes, it's still likely you're more at risk from another form of nature's wrath.

Rescooped by Elizabeth Bitgood from Geography Education!

Floods cover more than half of Philippine capital

Floods cover more than half of Philippine capital | Geography 200 |

"Flooding caused by some of the Philippines' heaviest rains on record submerged more than half the capital Tuesday, turning roads into rivers and trapping tens of thousands of people in homes and shelters. The government suspended all work except rescues and disaster response for a second day."

Via Seth Dixon
Elizabeth Bitgood's insight:

The Philippines which experiences monsoon weather is imperiled by the deforestation and clogged water ways due to increased population.  This country must do something to fix these issues or more large scale floods will likely be in its future.

Lawrence Buck's comment, August 20, 2013 11:25 PM
Teach about poverty, pollution, over population and corruption in this country to understand the effects of the rains!
Christina Boyd's comment, August 21, 2013 12:16 AM
Poverty, Pollution over Population and Corruption spells a 6 letter word CHOICE.
Richard Miles's curator insight, September 5, 2013 7:29 PM

Good case study on flooding in LEDC