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Volcanic ash
Volcanic ash consists of very fine rock and mineral particles less than 2 mm in diameter that are ejected from a volcanic vent. Ash is created when solid rock shatters and magma separates into minute ... > more -
Labor Day Hurricane of 1935
The Labor Day Hurricane was a very compact, intense hurricane that formed in the North Atlantic during August 1935. It remains the strongest hurricane on record to have struck the United States, and ... > more -
List of tornadoes and tornado outbreaks
These are some notable tornadoes, tornado outbreaks, and tornado outbreak sequences that have occurred around the ... > more -
Great Chilean Earthquake
The Great Chilean Earthquake or Valdivia Earthquake (Terremoto de Valdivia in Spanish) of May 22, 1960 is the largest magnitude earthquake recorded since seismographic monitoring ... > more -
Hayward Fault Zone
The Hayward Fault Zone is located in northern California in the San Francisco Bay Area. It is parallel to and east of its more famous (and much longer) sister fault, the San Andreas ... > more -
Temperature record
The temperature record shows the fluctuations of the temperature of the atmosphere and the oceans through various spans of time. The most detailed information exists since 1850, when methodical ... > more
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