An earthquake results from sudden movement when two blocks of earth slip past one another. It includes tremors & vibrations of the surface of the earth. In a densely populated location, an earthquake may result in damage, loss of property, and fatalities. According to the Maximum Considered Earthquakes, India is divided into four seismic zones namely Zone-II, Zone-III, Zone-IV, and Zone-V) where Zone-V expects the highest level of seismicity and Zone II is considered to be the lowest level of seismicity.
Seismic Zone and Intensity on the MSK scale
Zone-II (Low Damage Risk Zone) - VI or less
Zone-III (Moderate Damage Risk Zone) - VII
Zone-IV (High Damage Risk Zone) - VIII
Zone-V (Very High Damage Risk Zone) - IX or more
To find out which zone your district falls in, please use https://vai.bmtpc.org/eq.html
WIND
The coastal regions of India are worst affected by cyclones every year. Tropical cyclones occur in the months of May-June and October-November. India is geographically divided into six wind zones as follows:
Wind Zones and Basic Wind Speed in m/s
Very High Damage risk Zone - A55
Very High Damage risk Zone - B50
High Damage Risk Zone - 47
Moderate Damage Risk Zone - A44
Moderate Damage Risk Zone - B39
Low Damage Risk Zone - 33
Please use https://vai.bmtpc.org/wind.html to learn about the wind zone in your state.
FLOOD
We all know that many Indian states are highly prone to floods. 80% of precipitation occurs in the monsoon months from June to September resulting in cloudbursts, floods & urban flash floods in many regions. The flood map of India is available here: https://vai.bmtpc.org/flood.html for your kind reference.
LANDSLIDES
Landslides/rockfalls/mudflows are various forms of mass wasting where a significant portion of the debris placed on the loose soil moves downwards. The landslides are often triggered by heavy rainfall, an earthquake, or a manmade slope cut.
Please verify whether your location is prone to landslides using https://vai.bmtpc.org/landslide.html.
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