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Q4 8.1 Natural Hazard Maps
Mountain Heights Academy
Created on March 21, 2025
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Transcript
Volcanic Eruption
Earthquake
Weather Hazards
Geological Hazards
Flood
Wildfire
Hurricane
Tornado
Landslide
Natural Hazards
Tsunami
Location
Landslides occur in mountainous and hilly areas.
Image sources: stormwater.com, keller-na.com, and wfca.com
Barriers & Netting: Install barriers, fences, or wire mesh to catch falling rocks before they reach roads or buildingsAnchors: Install anchors to stabilize the slope. Plant Vegetation: Plant trees and plants that will grow roots to stabilize the slope.
Map Source: hazards.fema.gov
Mitigation Techniques
How They Are Caused
Landslides/Rockslides
Image sources: nesdis.noaa.gov and pella.com
Hurricane Tracking Systems: Use satellites, radar, and weather models to predict hurricane paths.Reinforced Buildings: Use materials designed to withstand high winds and flying debris such as concrete, steel, impact-resistant windows and metal roofs.
Mitigation Techniques
Location
Hurricanes are most common in coastal areas near the equator.
Map Source: hazards.fema.gov
How They Are Caused
Hurricanes
Location
Image sources: truegridpaver.com and elevatedmodular.com
Elevated Buildings: Raise homes and buildings on stilts or elevated foundations.Flood Barriers: Create barriers to prevent floodwaters from entering into an area. Drainage Systems: Designed to direct water away from properties and into designated areas.
Mitigation Techniques
Flooding most commonly occurs in low-lying areas near coasts, lakes, and rivers.
Map Source: hazards.fema.gov
How They Are Caused
Floods
Location
Image source: bom.gov.au
Tsunami Detection Buoys: Install ocean sensors and deep-sea buoys to detect changes in water level and seismic activity.Seawalls: Build protective water barriers along coastlines.
Mitigation Techniques
Tsunamis most commonly occur in coastal areas near tectonic plate boundaries.
Tsunamis
Map Source: hazards.fema.gov
How They Are Caused
Location
Metal Roof
Image sources: buildblock.com and greenmetal.ca
Safe Rooms and Storm Shelters: Build underground shelters or reinforces rooms to protect against high winds.Reinforced Buildings: Use materials designed to withstand high winds and flying debris such as concrete, steel, impact-resistant windows and metal roofs.
Mitigation Techniques
Tornados are most common in flat areas where cold air masses and warm air masses can meet.
Map Source: hazards.fema.gov
How They Are Caused
Tornados
Location
Volcanoes are frequently located on colliding or separating plate tectonic boundaries.
Volcanic Eruptions
Image sources: https://news.climate.columbia.edu and USGS.gov
Gas Emission Monitors: Measures gases like sulfur dioxide to detect rising magma.Lava Barriers and Diversion Channels: Redirect lava flow away from populated areas.
Mitigation Techniques
Map Source: hazards.fema.gov
How They Are Caused
Location
Wilfires are most common in warm, dry conditions.
Image sources:wfca.com and nps.gov
Controlled Burns: A fire is controlled to burn away flammable vegetation so it cannot be used to fuel a wildfire.Fire Resistant Buildings: Use non-flammable roofing, siding, and decks to prevent buildings from catching fire.Firebreaks: Clear dry grass, dead trees, and flammable debris from around properties.
Mitigation Techniques
Map Source: hazards.fema.gov
How They Are Caused
Wildfires
Seismic Monitor
Earthquakes usually occur along tectonic plate boundaries or faults.
Earthquakes
Image sources: nwtgeoscience.ca and interestingengineering.com
Seismic Monitoring: Use sensors to detect earthquakes.Seismic Base Isolation: Install rubber and steel layers under buildings to absorb seismic waves.
Mitigation Techniques
Map Source: hazards.fema.gov