Environment ❯ Natural Hazards

Volcanic Activity

Impact on Communities Seismic Activity Magma Dynamics Ashfall Effects Risk Analysis Tsunamis Hawaiian Volcanic Activity Ashfall Impact Ring of Fire Terrain Challenges

Mount St. Helens, 46 Years Later, Is Quiet Under Watch

Expanded sensors give early warning that supports a continued green alert.

Study Finds Long-Quiet Greek Volcano Has Been Building Magma Underground

Search Persists for Argentine Climber Missing on Chile’s Llaima Volcano

Hawaiʻi Man Dies After Entering Closed Area Near Kīlauea Caldera, NPS Says

Semeru Erupts on Java With Highest Alert in Effect as Hundreds Shelter

Indonesia Raises Mount Semeru to Highest Alert as Eruption Forces Mass Evacuations

Indonesia Evacuates Residents After Semeru Eruption as Tsunami Alert Is Issued for Ruang

Magnitude 4.0 Quake Hits Campi Flegrei Near Naples During New Seismic Swarm

Japan Publishes AI Videos of Mount Fuji Eruption to Prep Tokyo for Worst-Case Ashfall

Repeated Falls on Mount Rinjani Prompt Safety Overhaul

Indonesia's Mount Lewotobi Laki-Laki Erupts, Forcing Mass Evacuations

White Island Eruption Grounds Flights Across New Zealand