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San Miguel vulkaan
stratovulkaan 2130 m / 6,988 ft
El Salvador, 13.43°N / -88.27°W
Current status: normal or dormant (1 out of 5)
San Miguel webcams / Live-gegevens | Reports
San Miguel vulkaan boeken
San Miguel vulkaanuitbarstingen:
2015, 2014, 2013, 2002, 1997, 1995, 1985-86, 1976-77, 1970, 1967, 1966 (Jul), 1966 (Feb), 1964, 1954, 1939, 1936(?), 1931, 1930, 1929, 1919-20, 1890-91, 1884, 1882, 1867-68, 1862, 1857, 1855, 1854(?), 1844-48, 1819, 1811(?), 1798(?), 1787, 1769, 1762, 1699, 1510 ± 5 years
Typical eruption style:
small to moderate phreatic and phreatomagmatic summit explosions
Laatste aardbevingen in de omgeving
Meest recente satellietbeelden

Sentinel hub | Landsat 8
 

San Miguel volcano news & activity updates

San Miguel (Chaparrastique) volcano (El Salvador): increasing activity

Thursday Jun 07, 2018 07:35 AM | DOOR: T

Gas plume with diffuse ash from San Miguel volcano last week
Gas plume with diffuse ash from San Miguel volcano last week
Nr of daily earthquakes under the volcano (image: MARN)
Nr of daily earthquakes under the volcano (image: MARN)
During the past 2 weeks, the activity at the volcano has been increasing. Visibly, the volcano has been emitting a diffuse gas plume, sometimes containing some ash.
Since 22 May, MARN reports that there has been a significant increase in the number of earthquakes under the summit crater, with predominance of low and high frequency shallow earthquakes located mostly under the active crater. Earthquakes were mostly at magnitudes less than 1.5 and cannot be felt by people.

MARN interprets them as related to sudden and periodic pressure changes in the fluids of the shallow hydrothermal system. This increases the possibility of new ash emissions similar to the sporadic activity observed in recent years. It is less likely (but not impossible) that there is new lava arriving in the summit crater, which could lead up to a potentially more intense eruptive phase.

Thanks to reader Leonardo Torres, who brought this to our attention.
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Koppelingen / Bronnen:
  • Informe 12. Persisten Cambios en la actividad del volcán Chaparrastique (MARN)
Vorig nieuws
Monday, Jan 15, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [meer...]
Tuesday, May 09, 2017
During 28 April-5 May seismic and degassing activity decreased at the volcano. [meer...]
Saturday, Jan 07, 2017
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [meer...]
Explosion of Charrapastique during the early morning of 18 June (webcam installed in El Pacayal): incandescent ejecta reach approx. 400 m above the crater (SNET)
Sunday, Jun 19, 2016
After several months of calm, explosive activity occurred in the early morning of 18 June 2016, generating small ash plumes and ejecting modest amount of incandescent ejecta around the summit crater. ... [meer...]
Degassing from San Miguel volcano yesterday (MARN)
Friday, Jan 15, 2016
The volcano continues to show strong degassing with light ash content, generating a plume that rises up to 1500 m from the crater and is being blown westwards. ... [meer...]

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