Science ❯ Geology ❯ Volcanology

Eruption Monitoring

Seismic Activity Hazard Assessment Volcanic Activity Ash Cloud Dynamics Ash Clouds Satellite Observations Hazards Alert Levels Geophysical Surveys Impact on Surroundings Lava Flooding Volcanic Ash Impact Safety Measures Japan Magma Movement Activity Levels Lava Flows Lava Flow Global Volcanism Programme Ash Dispersion Patterns Thermal Activity Risk Assessment Cenvul Impact Assessment Volcanic Hazards Sakurajima Eruptions Ashfall Forecasting Pyroclastic Flows Seismology Gas Emissions Volcanic Ash Effects US Geological Survey Ash Plumes Satellite Data Hayli Gubbi Ash Dispersion Hazard Mitigation Satellite Tracking Lewotobi Laki-laki U.S. Geological Survey Icelandic Meteorological Office Fuego Volcano Seismic Events

Sakurajima Erupts, Sending 4.4 km Ash Plume and Disrupting Flights in Kyushu

Officials kept Alert Level 3 with access near the crater restricted.

Kīlauea’s Latest Summit Burst Sends 1,100-Foot Fountains, Sets Record Effusion Rate

Lewotobi Erupts on Flores Island, Ash Soars 10 Kilometers as Alert Raised to Highest Level

Mount Lewotobi Laki-Laki Blasts Ash Nearly 20 km in Two Explosions

Second-Day Eruption of Mount Lewotobi Laki-Laki Grounds Flights, Blankets Villages