Jeff Masters About Bob Henson Flying into Hurricane Hugo Support hurricane relief to underserved communities How to start your own blog, and add blog images and links Dr. A glory is an optical diffraction effect consisting of concentric rings of color centered about the shadow of an observer's head, located on a cloud of water drops
Do rainbow clouds foretell earthquakes? - Bad Astronomy : Bad Astronomy
that tells people that God is going to come to earth on a Lenticular cloud, so everytime the winds blow clouds over the sierras voila! God could come back. One suggestion I heard for the reason behind the occurance of rainbow clouds around the period of earthquakes had to do with the pressures and minor slippages causing piezocrystals in the Earth to generate charges, leading to increased ionization in the atmosphere around which the ice crystals can nucleate
When and where do quake aftershocks happen? - CSMonitor.com
By Becky Oskin, Livescience.com May 2, 2015 Save for later Saved Nepalese people stand beside the funeral pyre of a family member who died in Saturday's earthquake in Bhaktapur, Nepal, Sunday, April 26, 2015. He found that smaller aftershocks tend to strike within the main earthquake rupture, on sticky bits of the fault that did not break during the original earthquake
Plate Tectonics: How Do Plates Move? - Windows to the Universe
Old parts of a plate are likely to sink down into the mantle at subduction zones because they are colder and thicker than the warm mantle material underneath them
Bamboo is being used in Costa Rica (70 hectares of bamboo plantation will build 1000 houses) and when a strong earthquake hit in January 2009 almost all of the bamboo houses at the epicentre survived. How a quake will affect the people of a city has a lot to do with how the city, its residents, and nearby governments have engineered structures and pipelines
Mr. Nolde's Sixth Grade Earth Science Page
Where do Sediments get Deposited by a River? -This is another animation that will help you to visualize why certain sized sediments get deposited where they do. Phases of the Moon from Earth and Space -What's nice about this animation is the fact that you can switch back and forth between views from above (North Pole) and views from the side (oblique view) while at the same time, see what the moon looks like from Earth
Geologists believe that, if spreading continues, the three plates that meet at the edge of the present-day African continent will separate completely, allowing the Indian Ocean to flood the area and making the easternmost corner of Africa (the Horn of Africa) a large island. Picture two giant conveyor belts, facing each other but slowly moving in opposite directions as they transport newly formed oceanic crust away from the ridge crest
Do volcanoes emit more CO2 than humans?
(PS I've really gotten away from things I really know about here, but I suspect both heat and pressure combine to make the lower crust less brittle than the upper crust. On the other hand, I think any ash cloud hanging over most surfaces except snow and ice would increase the albedo and have a cooling effect, and then there is also the albedo effect of aerosols via their effects on clouds - these effects being more short lived
What to expect from Katla? Besides the usual flooding, personally I would expect something on the order of 0.8-3 km3 of ejecta and air travel disruption, depending on the wind conditions. Its different repose times also tend to approve the fact that Katla is a multi magma chamber volcano, in a sense perhaps like Askja with its pockets of rhyolite with a bad attitude
Solar magnetic cycle changes cause the planet to warm or cool by a complex set of mechanisms that modulate the amount of planetary cloud cover and cloud properties. Associate Professor Tkalcic says this new method could help us understand the role of the inner core in creating the magnetic field that allowed life to evolve on Earth by acting as a shield from cosmic radiation
Making Beer With Rocks: Do you know which fossiliferous rock is used to make beer? Wrong Volcano The most powerful eruption of the 20th century was misidentified? Labradorite: A feldspar that produces bright flashes of iridescent colors. Pictures of Opal: A collection of different types of opal from all around the world and Mars too! Sliding Rocks Mystery: What causes these rocks to slide across a Death Valley playa? Ant Hill Garnets are tiny garnets that ants haul to the surface and discard on their anthill
Forces of Nature -- National Geographic
Sustainability at National Geographic The National Geographic Society aims to be an international leader for global conservation and environmental sustainability
In the capital Moroni, thousands slept outside overnight and national radio broadcast appeals for calm and readings from the Koran across the mainly Muslim island. (BBC) Mexico Evacuates Villagers as Volcano Spews Lava February 05, 2002 LYERBABUENA, Mexico (Reuters) - Mexico's eastern Colima state was evacuating some 300 villagers from the base of a volcano on Tuesday that was spewing fiery rocks and lava and threatening a larger scale eruption
The Violent Earth by Tina Chow and Sean Dooley The term geologic or natural hazard implies that some force of nature is threatening society and its settlements in some shape or form. When an underwater earthquake occurs, the vertical displacement causes ripples on the surface similar to those created when a stone is thrown in the water
Cyclones, Earthquakes, Volcanoes And Other Electrical Phenomena -- Earth Changes -- Sott.net
In fact, when it comes to cyclones, there are even different formation theories depending on where on Earth the cyclone forms! I'm not going to go into the details of these theories because they are well known and can be found elsewhere. When my son was about 3 yrs old, he and his dad were driving to the grocery, and he alerted his dad that a tree was fallen across the road, but there was nothing there
Distribution of tidal forces during earthquakes 1900-2007 (gold) compared to distribution of all daily tidal forces during the same period (red diagonal hatched). If these 37000 miles of volcanic ridges are erupting in the first 6 months of the year and adding lava outflows to the floor of the oceans, we should be seeing a water displacement effect
The Real 2013 Earthquake Distribution Now, here is the real distribution (honestly), with some of the largest (M7+) earthquakes labeled: The real distribution of earthquakes between January 1 and May 24, 2013. What becomes clear is that earthquake occurrence is likely much more dependent on the state of stresses on individual faults within the Earth rather than any forces coming from outside the Earth
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