CronosPulse
Real-time geophysical data from USGS and the National Weather Service — earthquakes, volcano activity, and active flood alerts across the United States, visualised and updated as events unfold.
Connected data sources
Earthquake Hazards
Real-time and historical seismic events from the USGS ComCat catalogue. Every event includes magnitude, depth, location, PAGER alert level, and felt reports. Data updates within minutes of detection.
- Magnitude, depth, and epicentre coordinates
- ShakeMap instrumental intensity (MMI)
- Community felt reports (Did You Feel It?)
- PAGER alert levels (green → red)
Volcano Activity
Current alert levels and aviation colour codes for every monitored US volcano, sourced from the USGS Volcano Hazards Program. Covers the full range from background baseline to eruption-level alerts.
- Alert level (Normal → Warning)
- Aviation colour code (Green → Red)
- Location and monitoring network
- Filterable by alert level and state
Flood Alerts
Active NWS flood watches, warnings, and advisories across the United States. Alerts are mapped as GeoJSON polygons by affected zone and filterable by state, sorted by CAP severity level.
- Watches, warnings, and advisories
- CAP severity (Minor → Extreme)
- GeoJSON zone polygons on interactive map
- National feed + per-state map view