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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
Latest satellite images
 

San Cristobal volcano news & activity updates

San Cristobal volcano (Nicaragua) activity update: seismic unrest

Wednesday Jan 02, 2013 10:49 AM | BY: T

Current seismogram at CRIN station (INETER) showing the 4.8 quake off the west coast this morning
Current seismogram at CRIN station (INETER) showing the 4.8 quake off the west coast this morning
No recent ash emissions have been observed, but some volcanic tremor still indicates fluid movements inside the volcano.
The large signal on the seismogram is from the 4.8 magnitude quake this morning about 100 km to the west.
Previous news
Current seismogram at CRIN station (INETER)
Sunday, Dec 30, 2012
Activity has calmed down since 11 am on 28 Dec and not produced any new explosions during the second half of the day, but resumed yesterday with some weak ash emissions. Ineter reports continuing degassing but at lower intensity and also lower seismic activity. It is not clear yet if this marks already the end of the current episode or only a temporary break. [more]
Friday, Dec 28, 2012
Mild but frequent ash venting continues from San Cristobal and the ash is increasingly impacting the local communities. According to the newspaper El Nuevo Diario, almost 300 people have evacuated their homes voluntarily, only 68 more were evacuated by Civil protection and transferred to relatives or constructed shelters ("albergues"). Currently, there are still about 200 families who refused evacuation despite the insistence of authorities and in some villages even the church, and are now at risk from ash and gas. In addition, Civil Protection has a list of other 400 people to be evacuated if the eruption intensifies. ... [more]
Ash emission from San Cristobal (image: SINAPRED)
Thursday, Dec 27, 2012
The series of small ash explosions starting on 25 Dec at around 20h00 local time continued throughout the night and increased in intensity during the morning of 26 Dec. Activity decreased around noon yesterday, but resumed again in the afternoon with 4 more explosions between 13:25 - 16:11 h local time at intervals of 20-60 minutes, accompanied by strong pulses of tremor. ... [more]
This morning's seismic signal (CRIN station, INETER) showing continuous tremor
Wednesday, Dec 26, 2012
New eruptive activity has been reported from San Cristobal volcano in Nicaragua. It appears that small ash emissions started late in the evening of 25 Dec (local time). Plumes reach 8,000 ft (2.4 km) altitude VAAC Washington reports. ... [more]
Seismogram nn 19 Dec 2012 at CRIN station (INETER)
Wednesday, Dec 19, 2012
Banded volcanic tremor has reappeared on the seismic recording. [more]

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