Natural Disasters Flashcards
6 cards from real Safety & Emergency practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Natural Disasters flashcards as text
What is a NOAA tsunami inundation map used for?
Answer: Planning evacuation routes and identifying flood zones for tsunamis
NOAA tsunami inundation maps show areas at risk of tsunami flooding to help communities plan evacuation routes and land-use decisions.
Which federal agency operates the US National Tsunami Warning Center?
Answer: NOAA (National Oceanic and Atmospheric Administration)
NOAA's National Tsunami Warning Center in Palmer, Alaska, monitors seismic and sea-level data to issue tsunami watches and warnings for US coastlines.
What does 'fire weather' refer to in wildfire management?
Answer: Low humidity, high winds, and dry conditions that increase fire risk
Fire weather describes a combination of atmospheric conditions — typically low relative humidity, strong winds, and dry fuels — that create high wildfire risk.
What is a lahar in the context of volcanic hazards?
Answer: A destructive mudflow of volcanic debris and water
A lahar is a fast-moving slurry of volcanic rock, sediment, and water that flows down river valleys from a volcano, often more deadly than lava flows.
What is the purpose of a flood insurance rate map (FIRM)?
Answer: To identify Special Flood Hazard Areas and determine flood insurance requirements
A FIRM (Flood Insurance Rate Map) published by FEMA identifies Special Flood Hazard Areas (100-year floodplains) and is used to set flood insurance requirements.
What wind speed classifies a Category 5 hurricane on the Saffir-Simpson scale?
Answer: 157 mph or higher
Category 5 hurricanes have sustained winds of 157 mph (136 knots) or higher, causing catastrophic damage — complete roof failure and total building destruction are expected.