Alerts

February 28, 2021

Feb 27, 2021 21:56 - No volcanic activity was observed at Semisopochnoi over the past day in mostly cloudy satellite views. No activity was detected in regional infrasound data.

February 28, 2021

Feb 28, 2021 19:03 - Activity Summary: Kīlauea Volcano is erupting. Lava activity is confined to Halemaʻumaʻu with lava erupting from a vent on the northwest side of the crater. Laser rangefinder measurements as of this morning, February 28, indicate the lava in the western (active) portion of the lake in Halema‘uma‘u is 218 m (715 ft) deep.

February 28, 2021

Feb 26, 2021 23:41 - Activity Update: All volcanoes in the Cascade Range of Oregon and Washington are at normal background levels of activity. These include Mount Baker, Glacier Peak, Mount Rainier, Mount St. Helens, and Mount Adams in Washington State; and Mount Hood, Mount Jefferson, Three Sisters, Newberry, and Crater Lake in Oregon.

February 28, 2021

Feb 25, 2021 19:45 - Activity Summary: Mauna Loa Volcano is not erupting. Rates of deformation and seismicity at the summit continue to be slightly increased and remain above long-term background levels.

February 28, 2021

Feb 23, 2021 17:24 - Monitored CALIFORNIA VOLCANOES
Current Volcano Alert Level: all NORMAL
Current Aviation Color Code: all GREEN