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San Cristobal volcano
stratovolcano 1745 m / 5,725 ft
Nicaragua, 12.7°N / -87°W
Current status: normal or dormant (1 out of 5)
San Cristobal webcams / live data | Reports
San Cristobal volcano books
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
Last earthquakes nearby
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San Cristobal volcano news & activity updates

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

Thursday Feb 06, 2014 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
Wednesday, Jan 22, 2014
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. ... [more]
Seismic recording from San Cristobal volcano (CRIN station, INETER)
Friday, Jul 19, 2013
Some elevated seismicity was recorded at the volcano during recent days and continues. This includes phases of harmonic tremor and long-period events. [more]
Seismic recording from San Cristobal volcano (CRIN station, INETER)
Friday, Jun 28, 2013
Seismic activity has been at normal, low levels during the recent days. [more]
Current seismic recording from San Cristobal volcano (CRIN station, INETER)
Wednesday, Jun 12, 2013
Seismic activity has returned to normal (low) levels. [more]
Seismic recording from San Cristobal volcano yesterday (CRIN station, INETER)
Saturday, Jun 08, 2013
New eruptions occurred yesterday. The volcano produced a series of 7 small ash emissions between 06:45 to 11:43 am (local time). The explosions were very small and ash plumes only rose up to about 100 m above the crater. ... [more]

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