Current USGS Volcano Hazard Program Common Alerting Protocol Alerts. https://usgs.gov/programs/VHP/volcano-updates public domain Sun, 20 Sep 2026 08:04:00 -1000 avo-sci@usgs.gov Slow eruption of lava within the summit crater continues, accompanied by weak seismicity. https://volcanoes.usgs.gov/hans-public/rss/cap/volcano/311120 DOI-USGS-AVO-2026-09-19T17:34:59+00:00 Sat, 19 Sep 2026 09:37:04 -0800 askHVO@usgs.gov The north, south, and west vents continue to glow and emit flames with minor intermittent spatter. Minor summit inflation occurred overnight. There is no anomalous activity outside of the summit. https://volcanoes.usgs.gov/hans-public/rss/cap/volcano/332010 DOI-USGS-HVO-2026-09-20T17:31:14+00:00 Sun, 20 Sep 2026 08:04:00 -1000