Natural Disaster Articles

• Volcanoes
  Natural Disasters
  Sports Science
  Geology
  Global Warming
  Early Climate
   
  

  Volcano

  A volcano is an opening (or rupture) in the Earth's surface or crust, which allows hot, molten rock, ash, and gases to escape from deep below the surface. Volcanic activity involving the extrusion of ... > more
• Volcanoes
  Natural Disasters
  Earthquakes
  Geography
  Near-Earth Object Impacts
  Tsunamis
   
  

  Caldera

  A caldera is a volcanic feature formed by the collapse of a volcano into itself, making it a large, special form of volcanic crater. A caldera collapse is usually triggered by the emptying of the ... > more
• Wildfires
  Natural Disasters
  Earthquakes
  Ecology
  Exotic Species
  Rainforests
   
  

  Wildland fire suppression

  Wildland fire suppression is a unique aspect of firefighting. Wildland firefighting requires different tactics, equipment, and training from the normal structure fire fighting found in populated ... > more
• Volcanoes
  Natural Disasters
  Climate
  Global Warming
  Environmental Issues
  Floods
   

  Climate changes of 535-536

  In the years 535 and 536, several remarkable aberrations in world climate took place. The Byzantine historian Procopius recorded of 536, "during this year a most dread portent took place. For the sun ... > more
• Hurricanes and Cyclones
  Severe Weather
  Natural Disasters
  Tornadoes
  Energy and the Environment
  Renewable Energy
   
  

  Hurricane preparedness

  Hurricane preparedness includes actions taken before a tropical cyclone strikes to mitigate the damage and personal danger such storms can cause. ... > more
• Geology
  Earthquakes
  Natural Disasters
  Earth Science
  Tsunamis
  Near-Earth Object Impacts
   
  

  Lithosphere

  The lithosphere is the solid outermost shell of a rocky planet. On the Earth, the lithosphere includes the crust and the uppermost layer of the mantle (the upper mantle or lower lithosphere) which is ... > more
• Earthquakes
  Natural Disasters
  Sports Science
  Tsunamis
  Technology
  Electronics
   
  

  Seismometer

  Seismometer are used by seismologists to measure and record seismic waves. By studying seismic waves, geologists can map the interior of the Earth, and measure and locate earthquakes and other ground ... > more
• Volcanoes
  Natural Disasters
  Sports Science
  Geology
  Nature of Water
  Biochemistry
   
  

  Volcanic rock

  Volcanic rock is an igneous rock of volcanic origin. Volcanic rocks are usually fine-grained or aphanitic to glassy in texture. They often contain clasts of other rocks and phenocrysts. Phenocrysts ... > more
• Earthquakes
  Natural Disasters
  Hurricanes and Cyclones
  Severe Weather
  Tsunamis
  Earth Science
   
  

  2005 Kashmir earthquake

  The Kashmir earthquake (also known as the Northern Pakistan earthquake or South Asia earthquake) of 2005 was a major earthquake whose epicenter was the Pakistan-administered disputed region of ... > more
• Tsunamis
  Natural Disasters
  Water
  Oceanography
  Wildfires
  Ecosystems
   
  

  Ocean surface wave

  Ocean surface waves are surface waves that occur at the surface of an ocean. They usually result from distant winds or geologic effects and may travel thousands of miles before striking land. They ... > more

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