Volcano Alert lets you view information on volcanoes in the United States as tracked by the U.S. Geological Society, including location and recent volcanic activity. You can even subscribe to alerts to receive notifications when the volcanic alert level changes.
- normal
- advisory - the volcano is exhibiting signs of elevated unrest
- watch - the volcano is exhibiting escalating unrest with increased potential of eruption
- warning - major volcanic eruption is imminent, underway, or suspected
Volcano Alert is not affiliated with the USGS.