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Natural Disasters

Earthquakes

Earthquakes are measured using scales like the Moment Magnitude Scale (which is the modern standard) and the older Richter scale, which quantify the earthquake's magnitude based on seismic energy released.  Another scale, the Modified Mercalli Scale, is used to measure the earthquake's intensity or its effects on people and structures in a specific location. Both magnitude and intensity are important for understanding an earthquake's severity. 

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Earthquake Scale

  • < 3.5: Generally not felt, but recorded by seismographs. 3.5–5.4: Often felt, but rarely causes damage. 

  • 5.5–6.0: Causes slight damage to well-designed buildings, and moderate damage to poorly constructed ones. 

  • 6.1–6.9: Can cause significant damage in populated areas. 

  • 7.0–7.9: A major earthquake that causes serious damage over larger areas. 

  • 8 or greater: A "great" earthquake that causes widespread destruction and can destroy entire communities. 

A helpful website: https://www.usgs.gov/programs/earthquake-hazards

Flood in settlements
Floods

Flood damage isn't just weather related.  In-home flooding from a faulty water heater is more common than people realize.

Firefighter In Forest
Wildfires

Wildfires move fast and are unpredictable.  

Using Snow Blower
Extreme Weather Conditions

Ice storms can cause power outages that last days.  Extreme heat can also be cause emergency cituations.

Children Watching Candles
Power Outage

Power outages are one of the most common emergency situations and effect millions of people every year. 

Powerful Tornado Scene
Tornadoes

Tornado Alley isn't the only place these types of storms appear.

©2025 by Southwest Self-Reliance.

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