During a monitoring overflight on April 9, 2025, USGS Hawaiian Volcano Observatory field crews observed that the ponded lava in the north vent from April 8 had drained and/or collapsed. The south vent ...

A series of small earthquakes has been detected beneath a U.S. volcano that has been showing increasing signs of activity in ...

Underwater volcanoes discovered in the South Pacific The post Underwater Volcanoes Discovered in the South Pacific appeared ...

When fully implemented, the warning and mnitoring system will operate through an interoperable network of domestic volcano observatories. Central to its success will be the National Volcano ...

A seismic swarm that caused 160 quakes in two hours at the Laguna del Maule volcanic field in central Chile earlier this week ...