Colombia lies in the "Ring of Fire," an area of seismic instability that surrounds the Pacific Basin and is subject to frequent volcanic eruptions and earthquakes. The country's most notable surface feature is the Andes mountain system
To any student of geology and natural disasters, there is no way around it, the "Ring of Fire" is the most seismic active place on the planet. About 70% of the world's volcanoes and earthquakes take place here. Nonetheless, many dangerous volcanoes can be found elsewhere around the planet.
These phrases are known by most us: Flushing it down the toilet, a diamond in the rough, a pearl in the wild. They all refer to finding value where none is expected. As it turns out, human waste contains precious metals and gems washed down the drain unconsciously during our hurried lives.
Mud is a versatile and interesting material. It's useful for both humans and animals. It can also be dangerous, especially in the form of mud volcanoes and mudflows.
Japanese volcanoes are as beautiful as they are deadly. Here are 7 famous Japanese volcanoes that have inspired fear and love throughout the Japanese history.
The continents are the seven huge land masses that make up most of the earth's land surface. They are always on the move, shifted around by forces deep inside the earth. The concept of moving continents is known as "continental drift". The study of these movements is called "plate tectonics".
A guide to identifying beach stones found along the shorelines of Lake Michigan, with photos and info about syenite, rhyolite, pumice, dolomite, quartz, wishing stones, heart stones, quartzite, Presque Island serpentinite, diabase, pegmatite, conglomerate, and banded metamorphic rocks!
Ground modification and improvement is often necessary to prepare the ground for a foundation to support a building or other infrastructure. This article explains nine difference deep ground modification techniques and how they are used.
Land subsidence caused by groundwater withdrawal poses a significant threat to governments, businesses, and the general public.
The theory of plate tectonics grew from Alfred Wegener's theory of continental drift and incorporates modern data such as the magnetic record of the seafloor. The theory of plate tectonics helps to explain natural phenomena such as volcanic island arcs, large mountain belts, and seamount chains.
A major earthquake is long overdue for southern California and the devastation could potentially go beyond all predictions and result in a large swath of America becoming a radioactive wasteland.
The idea of going to the centre of the Earth was brought to prominence in Jules Verne's classic 1884 Sci-Fi novel 'Journey to the Centre of the Earth, but how far have we gone towards this goal?
See 18 photos of the breathtakingly vivid beautiful colors in Yellowstone. It is the thinnest area of earth's crust & very active with steaming fumeroles, geysers & sites that will linger in one's memory always.
Where are the world's supervolcanoes? The Western United States, Italy, New Zealand, and Asia all contain volcanoes capable of catastrophic eruptions.
The Bolshaya Udina volcano in Siberia is coming back to life. This Russian volcano situated along the dangerous Ring of Fire has shown so much seismic activity over the past few years that its classification has changed from extinct to active. Some scientists think that it could erupt at any time.
Volcanic eruptions are a stunning sight. But how do they happen? Learn more about the science of volcanoes and volcanic eruptions in this article.
Hydraulic fracturing is a type of drilling and mining for oil and natural gas. Fracking wells are typically built on shale deposits that contain significant reserves of natural gas. Fracking may be causing earthquakes, and uses chemicals that are toxic.
If you want to identify a mineral, you need to examine its properties. This is a guide to how scientists identify minerals by their physical properties.
One of the most important materials in the modern economy is graphene. It’s a key material for a variety of products and is essential for a number of industries. The extraction of graphene is an expensive, energy intensive process.
This article explains the science of how rainforests are formed, and explains their role in Earth's ecology and environmental health, as well as human impact on rainforests and their projected future.
Have you ever wondered why some English place names have a strange name? This article will answer the origins of those place names, why they came into use and how come they have remained intact well into the modern age.
Fascinating facts and photos featuring the most common and some more unusual stones found along Lake Michigan's shorelines. Including various types of basalt, septarian stones, limestone, granite, gabbro, diorite, gneiss, schist, sandstone, siltstone, mudstone, geodes, chalcedony, and agate.
This article looks at the processes by which rocks melt and the different ways they cool and solidify to form igneous rocks.
Among natural hazards and disasters, earthquakes are the most dangerous and disastrous happenings on the earth's surface.
Volcanic vents are fractures on the summit of a volcano through where lava is ejected. There are various types of volcanic vents; however, all vents connect the magma chamber, which is a pool of hot molten rock, to the vent on top of a volcano.
Carbon Capture and Storage is a important tool that tackles climate change, provides energy security, creates jobs and economic prosperity. The types of CCS are described and the technology, capture, transportation and storage are all described. This stops greenhouse gases from polluting our skies.
Fool's Gold, chemical name pyrite, is a puzzling mineral that has baffled gold prospectors for centuries. This article details the differences between pyrite and true gold and explains why the humble rock isn't nearly as valuable as its golden lookalike.
In terms of magnitude and damage, the Valentine earthquake is the largest recorded earthquake to have occurred in the state of Texas.
Time is money. Even an amateur prospector can improve the odds of making some coin by classifying in conjunction with sluicing. Saving your back by shoveling once can cut the medical bills! A high banker can do all this and more. Fundamentals, design, physics, and mechanical descriptions follow.
What are the most dreadful earthquakes of India. Below is the list of biggest earthquakes of India with images.
Learn about how the four different types of volcanoes (composite, shield, cinder cone, and lava dome) form and watch videos of how they erupt.
Sedimentary rocks are fantastic formations that each and everyone tells an amazing history! If we know what to look for, we can read about the fascinating journey the particles in the rocks have done....
Our world is filled a multitude of geologic hazards that can cause extensive property damage and even loss of human life. Mass wasting is one of those hazards that can be avoided or mitigated if you are prepared. Learn about the different types of mass wasting and what causes them.
This article suggest 20 important facts about Antarctica, emphasizing its vulnerability to increased tourism, pollution and climate change.
Sinkholes are scary and sudden. But are they really deadly? Is there anything we can do to prevent them? A look at recent US and Worldwide deaths, why sinkholes happen, and how to stop them.
This is a brief description of the structure of planet earth, written specifically to help educate curious children.
For hours I've searched for the ancient, semi-precious stone that fascinates my soul. I have been told there is nothing special about the agates found on the rock banks of Mississippi, but I disagree.
Volcanoes are fascinating and sometimes terrifying natural events that occur at many places around the world. Understanding the science behind the creation and eruption of a volcano can better help us comprehend both the detrimental and beneficial effects that volcanic activity can bring.
Steamboat Geyser, the largest in the world, has erupted for the 5th time in 2018, generating a lot of media attention
About 74,000 years ago, a volcanic explosion on the island of Sumatra threw so much ash into the atmosphere that all human life may have been threatened.
A nineteenth century British woman with little education made some of the most important geological discoveries of her time.
There is a small village in Turkmenistan's Karakum Desert called Derweze (AKA Darvaza). Four miles away is a burning crater called the Gates of Hell.
Overuse of our groundwater resources has resulted in an ever prevalent problem of Earth fissures. As a property owner or potential buyer of land, there are several things you need to know about these large cracks in the ground in order for you to make an informed decision.
On August 27th 1883, after a long period of relative quiet, the Krakatoa volcano located between Java and Sumatra, roared to live. During the eruption, the island mountain blew itself apart, killing over 30,000 people in the process. Today, Krakatoa is back, but in a much smaller way.
To determine the relative ages of rock units and create a timeline for geologic events in an area, geologists follow five key principles of relative dating.
We often forget that together the world's oceans and seas cover nearly 71% of the earth's surface. This article will help you understand this blue planet on which we live and how to navigate it.
This article looks at ten sandy beaches of extraordinary colour, what they are composed of and how they are formed, with illustrations of all ten
Millennia have vanished, taking species and ecosystems with it. Fossils restore the broken mosaic of prehistory, providing insights into how animals lived and died. Recent riddles included glass pearls inside clams, where butterflies got their legs from and a toe that continues to defy explanation.
This guide will teach you how to estimate the classification of a soil and how to describe its characteristics, based on the Unified Soil Classification System. It is intended for use in construction materials testing but can be useful for anyone who works with soil.
An examination of the Titanic shipwreck site from a geological perspective. What been happening in the area around the shipwreck since it hit the North Atlantic ocean floor more than 100 years ago.
Lapidary jokes, fossicking jokes, prospecting jokes, rockhound jokes, geology jokes and many more funny jokes, puns and short tales for lapidarians, rockhounds and jewellery enthusiasts.
The world's oldest and biggest crater rests a few hundred kilometers away from the city of Johannesburg. In addition to its unique size and age, this hole in the ground is a tourist attraction, wildlife hub and a scientific jaw-dropper.
Originally, the active volcanoes on Hawai'i Island were thought to be part of the infamous "Ring of Fire". Current scientific opinion and research suggests that a geothermal hot spot sitting underneath the "Big Island" is responsible for the high amount of geothermal activity.
Volcanoes occur where magma (molten rock) from deep inside the earth forces its way to the surface. The magma may erupt as red-hot lava, or may explode into clouds of ash and volcanic bombs. Volcanic activity also produces strange landscapes of gushing geysers, steamy lakes, and bubbling mud pools.
Ring of Fire is a common expression applied to a geographical area bordering the Pacific Ocean. Within this "Ring of Fire" earthquakes and volcanoes are more common than any other place on the planet.
Slow-going and dangerous it may have been, but ancient mining techniques were clever. The earliest mines sought cosmetic pigments for funerals. Picks and hammer stones are examples of stone age tools. Later, ancient man discovered metals which provided materials for superior weapons and tools.
A landslide tsunami, also called a megatsunami, can be created when large amounts of earthen material slides into a body of water, creating a tsunami type wave. These waves can be much taller than a normal tsunami that usually occurs when an underwater earthquake shakes up the sea floor.
Scientific use of the term "super" is rather rare, as it tends to be a superlative more often found in our common vernacular than in the annals of science. Nonetheless, geologists have assigned a set value of parameters to define the monstrous geologic events, better known as supervolcanoes.
The Taal Volcano of the Philippines is unusual in that it is a recently-developed volcano situated inside a much older supervolcano that is no longer active. This set-up is not unique in the natural world, for similar arrangements can be found at Crater Lake in the US and Lake Taupo in New Zealand.
Volcanoes are geological ruptures in the earth's landscape that form due to natural, internal forces acting inside the planet. Volcanoes can form on land or underwater, and most form near tectonic plate boundaries.
The tallest and longest mountain ranges, with pictures. The world's tallest mountains are in central Asia; the world's longest ranges are on other continents. Geology of mountain ranges.
Unique and rare Septarian brown stones among other types are found along a narrow stretch of Lake Michigan shorelines. Find out the one other place in the world they can be found.
Here is a short introduction to some of the world's best known examples of hot spring activity cause by volcanism.
West Coast volcanoes have been relatively quiet since 1980, when Mt. St. Helens exploded and killed over 50 people. Nonetheless, the West Coast has, at the very least, another half dozen active volcanoes that could erupt in the near future and create a dangerous situation for anyone living nearby.
The ocean hides its beast well. And one such behemoth are the guyots. So what are they and what do they mean to science?
Volcanoes come in many forms, from the steady and slow-moving basalt flows of Hawaii, to towering mountains such as Mount Fuji, to the calderas of super-volcanoes. Below are a couple that are overdue.