natural seismic event
1Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… …
2Seismic hazard — refers to the study of expected earthquake ground motions at the earth s surface, and its likely effects on existing natural conditions and man made structures for public safety considerations; the results of such studies are published as seismic …
3Natural hazard — This article is about the natural hazards that may lead to disasters. For natural disasters, see natural disaster. A natural hazard[1] is a threat of a naturally occurring event that will have a negative effect on people or the environment. Many… …
4Natural disaster — Not to be confused with environmental disaster. A natural disaster is the effect of a natural hazard (e.g., flood, tornado, hurricane, volcanic eruption, earthquake, heatwave, or landslide). It leads to financial, environmental or human losses.… …
5Natural scientific research in Canada — This article outlines the history of natural scientific research in Canada, including mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… …
6Household seismic safety — Contributions of photographs related to details of preparation are needed. Household seismic safety is an issue for areas of the world with a high risk of seismic activity, and is concerned with the following: *Appropriate securing of household… …
7Tunguska event — The Tunguska Event, or Tunguska explosion, was a powerful explosion that occurred near the Podkamennaya (Lower Stony) Tunguska River in what is now Krasnoyarsk Krai of Russia, at around 7:14 a.m. [P. Farinella, L. Foschini, Ch. Froeschl eacute;,… …
8Charlevoix Seismic Zone — The Charlevoix Seismic Zone is a seismically active area in the Charlevoix region of northeastern Quebec, Canada. It is also known as the Charlevoix Kamouraska Seismic Zone because earthquakes occur in Kamouraska Country where the land expression …
9New Madrid Seismic Zone — Coordinates: 36°34′57″N 89°35′17″W / 36.58245°N 89.58801°W / 36.58245; 89.58801 …
10Cretaceous–Tertiary extinction event — Artist s rendering of bolide impact Badlands nea …
