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San Cristobal volcano
stratovolcano 1745 m / 5,725 ft
Nicaragua, 12.7°N / -87°W
Current status: restless (2 out of 5) San Cristobal volcano eruptions:
2016, 2015, 2012, 2010-11, 2010, 2009, 2008 (Nov), 2008 (Aug), 2007, 2005-06, 2003-04, 2002, 2001, 2000, 1999-2000, 1997,1987 (?), 1985 (?), 1977, 1976 (Aug), 1976 (Mar), 1971, 1685, 1684, 1680, 1613 (?), 1528 ± 1 year
Typical eruption style:
explosive

San Cristobal volcano (Nicaragua): small phreatic explosions on Tuesday

Thu, 6 Feb 2014, 11:29
11:29 AM | BY: T
The seismic signal associated with the phreatic explosions at San Cristobal (CRIN stataion, INETER)
The seismic signal associated with the phreatic explosions at San Cristobal (CRIN stataion, INETER)
A series of small, probably phreatic explosions occurred at the volcano's summit crater early on Tuesday. INETER indicated the activity took place between 6:41 - 8:50 local time and consisted of at least 2 explosions, which generated a small steam and ash plume rising to about 200 m height.
INETER believes that these eruptions were an isolated event and not sign of a new eruptive phase with new magma involved, but most likely caused by the sudden vaporization of overheated infiltrated rain water. The alarm level of the volcano was not raised and no particular measures are planned.

Previous news

Wed, 22 Jan 2014, 11:05
NETER reported that seismic tremor at San Cristóbal increased at 0340 on 17 January; RSAM values increased from a baseline of 70 to 460 units. Read all
Fri, 19 Jul 2013, 02:38
Seismic recording from San Cristobal volcano (CRIN station, INETER)
Some elevated seismicity was recorded at the volcano during recent days and continues. This includes phases of harmonic tremor and long-period events. ... Read all
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