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Santa Ana volcano (El Salvador) - Smithsonian / USGS Weekly Volcanic Activity Report for 9 November-15 November 2005 (Continuing Activity)

Wed, 9 Nov 2005, 06:00
06:00 AM | BY: VN
During 9-14 November, seismicity at Santa Ana was above background levels and slightly increased on 13 November. Small earthquakes occurred that were interpreted as being associated with the fracturing of rocks and gas pulses. The amount of gas emitted was low.
The sulfur-dioxide flux ranged between 100 and 1,200 metric tons daily. The Alert Level within a 5-km radius around the volcano's central crater remained at Red, the highest level.

Source: Servicio Nacional de Estudios Territoriales (SNET)
From: Global Volcanism Program, 2005. Report on Santa Ana. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 9 November-15 November 2005. Smithsonian Institution and US Geological Survey.

Previous news

Wed, 2 Nov 2005, 06:00

Santa Ana volcano (El Salvador) - Smithsonian / USGS Weekly Volcanic Activity Report for 2 November-8 November 2005 (Continuing Activity)

During 2-7 November, seismicity and volcanic activity remained at relatively low levels at Santa Ana. Small earthquakes occurred that were associated with the fracturing of rocks and gas pulses. Sulfur-dioxide emissions were low, with 100 to 200 metric tons recorded daily. ... Read all
Wed, 26 Oct 2005, 06:00

Santa Ana volcano (El Salvador) - Smithsonian / USGS Weekly Volcanic Activity Report for 26 October-1 November 2005 (Continuing Activity)

During 30-31 October, seismicity increased at Santa Ana. Volcanic activity appeared to slightly increase starting on 28 October. Sulfur-dioxide emission rates during 28 and 29 October averaged 257 metric tons per day. ... Read all
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Santa Ana volcano
stratovolcano 2381 m / 7,812 ft
El Salvador, 13.85°N / -89.63°W
Current status: normal or dormant (1 out of 5) Santa Ana volcano eruptions:
2005, 1920, 1904, 1884, 1882(?), 1880, 1879, 1878(?), 1874, 1734, 1722, 1621(?), 1576, ?1570, 1524, 1521, 1520(?)
Typical eruption style
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