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Santa Ana volcano (El Salvador) - Smithsonian / USGS Weekly Volcanic Activity Report for 12 October-18 October 2005 (Continuing Activity)

Wed, 12 Oct 2005, 06:00
06:00 AM | BY: VN
During 12-17 October, seismicity was relatively stable and there were low-level gas emissions at Santa Ana. Storms on 12 October caused the generation of lahars that traveled towards Coatepeque.

Source: Servicio Nacional de Estudios Territoriales (SNET)
From: Global Volcanism Program, 2005. Report on Santa Ana. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 12 October-18 October 2005. Smithsonian Institution and US Geological Survey.

Previous news

Wed, 5 Oct 2005, 06:00

Santa Ana volcano (El Salvador) - Smithsonian / USGS Weekly Volcanic Activity Report for 5 October-11 October 2005 (Continuing Activity)

During 5-11 October, small explosions, degassing, and low-to-moderate seismicity occurred at Santa Ana. Inclement weather during much of the report period prohibited ground and satellite observations and sulfur-dioxide measurements. During an aerial inspection of the volcano on 11 October, no changes were observed at the crater. ... Read all
Wed, 28 Sep 2005, 06:00

Santa Ana volcano (El Salvador) - Smithsonian / USGS Weekly Volcanic Activity Report for 28 September-4 October 2005 (New Activity / Unrest)

SNET reported that a sudden eruption at Santa Ana (also called Ilamatepec) on 1 October around 0820 produced an ash-and-gas plume to a height of ~10 km above the volcano (or 40,600 ft a.s.l.). According to the Washington VAAC, ash was visible on satellite imagery at a height of ~14 km (46,000 ft) a.s.l. Ash fell in towns W of the volcano, including in Naranjos, Nahuizalco, Juayúa, Ahuachapán, and La Hachadura. ... 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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