Catastrophe Review
US Disaster Activity: April 2026
2026-04-01 through 2026-04-30 · All data from federal sources
3786
Total Events
3
Peril Types
46
States Affected
Activity by Peril
Floods
1952max 8.0 · avg 7.1
Earthquakes
1563max 7.8 · avg 3.7
Wildfires
271max 6.5 · avg 2.3
Significant Events (severity 3.0+)
Flash Flood Warning issued April 14 at 10:51PM CDT until April 15 at 3:45AM CDT by NWS Chicago ILUS-IL · Apr 15
8.0Flash Flood Warning issued April 12 at 4:41PM CDT until April 12 at 7:45PM CDT by NWS Houston/Galveston TXUS-TX · Apr 12
8.0Flash Flood Warning issued April 14 at 12:34AM EDT until April 14 at 5:30AM EDT by NWS Gaylord MIUS-MI · Apr 14
8.0Flash Flood Warning issued April 14 at 5:57PM CDT until April 14 at 7:30PM CDT by NWS Lubbock TXUS-TX · Apr 14
8.0Flash Flood Warning issued April 16 at 1:58PM AST until April 16 at 5:00PM AST by NWS San Juan PRUS-PR · Apr 16
8.0Flash Flood Warning issued April 12 at 11:36AM CDT until April 12 at 2:45PM CDT by NWS Austin/San Antonio TXUS-TX · Apr 12
8.0Flash Flood Warning issued April 10 at 5:29PM CDT until April 10 at 8:30PM CDT by NWS Norman OKUS-OK · Apr 10
8.0Flash Flood Warning issued April 13 at 7:40PM CDT until April 13 at 10:15PM CDT by NWS Green Bay WIUS-WI · Apr 14
8.0Data Sources
Event data sourced from USGS (earthquakes), NOAA NHC (hurricanes), NWS flood alerts (floods), NOAA SPC (severe weather), NIFC (wildfires), and NASA FIRMS (fire hotspots). All data is ingested directly from federal agency APIs with full provenance tracking.
Decision-support intelligence — not a primary alerting or dispatch system. Verify against official sources.