Safety Guides
Areazine's guides explain how recalls, weather alerts, and earthquake data actually work, sourced from the federal agencies that publish them.
Educational resources to help you understand safety alerts, recall notices, and natural hazard data from official government sources. Every guide references real data published by agencies like CPSC, FDA, NOAA, and USGS, and links back to the primary source so you can verify anything on the page yourself.
How Product Recalls Work in the US
Learn how CPSC, FDA, and NHTSA recalls are issued, what the severity classifications mean, and what to do when a product you own is recalled.
Understanding Weather Alerts, Watch vs Warning vs Advisory
A guide to NOAA weather alert levels, what each type means, and how to respond when severe weather threatens your area.
Earthquake Magnitude and Intensity Explained
What the numbers mean when an earthquake strikes. Learn how magnitude is measured, what the Modified Mercalli Intensity scale tells you, and when to take action.
How to Check Product Recalls
Which agency to check for each product type, how to set up recall alerts, and what to do step-by-step once you find a recall on something you own.
Understanding Weather Alert Severity
Advisory vs. watch vs. warning vs. emergency, NWS alert levels explained with a severity table, required actions for each, and how to receive alerts reliably.
Understanding Product Recall Severity
FDA Class I vs Class II vs Class III, CPSC hazard types, NHTSA safety-critical defects, how to read recall severity and decide what requires immediate action.
How to Track Safety Alerts in Your Area
Build a personal safety intelligence system: monitor product recalls, weather alerts, earthquake data, and environmental hazards for your location.
How these guides are written
Every guide above is an editorial explainer written by our editorial process. We write a guide when an underlying government classification (e.g. CPSC hazard classes, NOAA watch-vs-warning distinctions, USGS earthquake magnitude vs intensity) is frequently misunderstood by readers and we can clarify it using the source agency's own published criteria.
Drafts are reviewed against the official source documents and each claim links back to the originating agency. Guides are revised when the underlying agency updates its classification system – e.g. when NWS changes an alert category or FDA updates its recall-classification criteria.
See our full Methodology page for the complete editorial and data pipeline. For specific source URLs see About Areazine.