Spurr volcano, Cook Inlet, SW Alaska: news & activity updates

Spurr volcano (Alaska): elevated gas emissions

The elevated activity at the volcano continues. Read all

Spurr volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 26 February-4 March 2025 (Continuing Activity)

On 28 February the Alaska Volcano Observatory (AVO) reported that ongoing unrest at Spurr was characterized by elevated seismicity and continuing deformation. Seismicity remained elevated, though had slightly decreased during the past few days. The seismic network recorded over 70 earthquakes with most located beneath the summit and some located beneath Crater Peak. Read all

Spurr volcano (Alaska): elevated unrest continues

The elevated seismic activity at the volcano continues. Read all

Spurr volcano (Alaska): intense seismic activity

The seismic unrest at the volcano persists. Read all

Spurr volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 5 February-11 February 2025 (New Activity / Unrest)

In a special information statement on 6 February, the Alaska Volcano Observatory (AVO) reported that unrest at Spurr continued and was likely caused by new magma beneath the volcano. The nature of the unrest and the 10-month duration suggested that an eruption remained a possibility. The most likely vent location would be at Crater Peak, which erupted in 1953 and 1992; less likely would be the summit vent, which erupted several thousand years ago. Read all

Spurr volcano (Alaska): volcanic-seismic unrest continues, eruption is not ruled out

The seismic swarm beneath the ice-snow-covered edifice continues. Read all