Know before
disaster strikes.
Get real-time earthquake, tornado, hurricane, wildfire, and flood alerts for your exact location — before it's too late.
Free · Covers 30,000+ ZIP codes · No account required
Download the App
Get push alerts the moment a threat is detected near you.
Know what's coming.
React before it strikes.
Alertra pulls raw data straight from USGS, NOAA, and NASA—bypassing the middleman to give you the earliest possible warning.
Hyperlocal Radius
NWS polygon warnings pinpointed to your exact street, outperforming vague county-wide sirenes.
Faster Than FEMA
Our direct-to-API pipeline sends push notifications in under 60 seconds of a detected rupture.
Total Coverage
Monitor earthquakes, tornadoes, hurricanes, wildfires, and floods simultaneously from one hub.
Live City Threat Board
System Status: Global Monitoring Active
One core engine. Every major threat.
Tornadoes
Vortex tracking and NWS polygon intersecting logic.
Wildfires
NASA satellite perimeter logic and containment shifts.
Floods
Water level indexing and evacuation priority routing.
Tsunamis
Marine buoy data
Frequently Asked Questions
Don't wait for the government to warn you.
Alertra delivers faster, smarter, more precise disaster alerts straight to your phone.