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

Updated: Jul 26, 2025 02:23 GMT-
Latest (2025) | 2024 | 2013 | Archive

Spurr volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 12 March-18 March 2025 (Continuing Activity)

Wed, 19 Mar 2025, 15:00
The Alaska Volcano Observatory (AVO) reported increasing unrest at Spurr in a special information statement issued on 12 March. Collapses of snow and ice into the summit crater lake that formed during the current period of unrest continued to occur along with steam emissions from fumaroles within and around the summit crater. New diffuse steam plumes from small snow-free spots within Crater Peak, a vent 3.5 km S of the summit, were first observed on 6 March. Read all

Spurr volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 12 March-18 March 2025 (Continuing Activity)

Thu, 13 Mar 2025, 11:00
The Alaska Volcano Observatory (AVO) reported increasing unrest at Spurr in a special information statement issued on 12 March. Collapses of snow and ice into the summit crater lake that formed during the current period of unrest continued to occur along with steam emissions from fumaroles within and around the summit crater. New diffuse steam plumes from small snow-free spots within Crater Peak, a vent 3.5 km S of the summit, were first observed on 6 March. Read all
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Spurr volcano
stratovolcano 3374 m / 11,070 ft
Cook Inlet, SW Alaska, 61.3°N / -152.25°W
Map of Spurr volcano Current status: restless (2 out of 5) Spurr volcano eruptions:
1992 (Crater Peak), 1965 (?, Spurr), 1953 (Crater Peak)
tephrochronology and radiocarbon dated: 1650 ± 50 years, 3250 BC ?, 4050 BC ?, 5110 BC ± 100 years, 6050 BC
Typical eruption style
explosive
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