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Spurr volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 29 December-4 January 2005 (Continuing Activity)

Wed, 29 Dec 2004, 06:00 | BY: VN
Seismic unrest continued at Spurr during 26-31 December, with an average of 5-6 earthquakes recorded per day. A distinct increase in seismicity occurred on 26 December when 25 earthquakes were recorded. Spurr remained at Concern Color Code Yellow.

Source: US Geological Survey Alaska Volcano Observatory (AVO)
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From: Global Volcanism Program, 2004. Report on Spurr. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 29 December-4 January 2005. Smithsonian Institution and US Geological Survey.

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Wed, 17 Nov 2004, 06:00

Spurr volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 17 November-23 November 2004 (Continuing Activity)

Elevated levels of seismicity continued to be recorded at Mount Spurr. Seismicity rates have been relatively constant in the last week at roughly 5 locatable earthquakes per day. No unusual activity was observed in satellite or web camera images. Spurr remained at Concern Color Code Yellow. ... Read all
Wed, 10 Nov 2004, 06:00

Spurr volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 10 November-16 November 2004 (Continuing Activity)

Elevated levels of seismicity continued to be recorded at Spurr during 5-12 November. A period of slightly increased seismicity occurred between 6-8 November when as many as three shallow earthquakes per hour were recorded. Since then, the level of seismicity had declined to an average of six earthquakes per day. ... Read all
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Spurr volcano
stratovolcano 3374 m / 11,070 ft
Cook Inlet, SW Alaska, 61.3°N / -152.25°W
Current status: normal or dormant (1 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