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San Miguel volcano
stratovolcano 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 data | Reports
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San Miguel volcano eruptions:
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
Last earthquakes nearby
Latest satellite images

Sentinel hub | Landsat 8
 

San Miguel volcano news & activity updates

San Miguel volcano (El Salvador) activity update

Friday Feb 21, 2014 13:29 PM | BY: T

Tremor intensity at San Miguel volcano (MARN)
Tremor intensity at San Miguel volcano (MARN)
Current seismic signal at San Miguel volcano (VSM station, MARN)
Current seismic signal at San Miguel volcano (VSM station, MARN)
The situation has remained essentially unchanged and the volcano has (not yet) erupted again. Seismic activity remains high and continues to increase overall, while surface activity consists of pulsating gas emissions reaching a height of 200 m.
Previous news
Tremor intensity at San Miguel volcano (MARN)
Sunday, Feb 16, 2014
Warning signs of a possible new eruption of the volcano in the near future are becoming increasingly alarming. Accompanied by an ongoing earthquake swarm, tremor (as an indicator of internal pressure) continues to climb. Pulsating gas emissions reaching 50-400 m height above the crater have been seen recently. ... [more]
Sequence of the small explosion at San Miguel yesterday (MARN)
Thursday, Feb 13, 2014
A small ash explosion occurred yesterday afternoon at the volcano, at 16:44 (local time). It only lasted about 10 minutes and produced a small ash plume rising approx. 500 m. It is the first eruptive activity since the larger explosion on 29 Dec past year, and is likely only a precursor of more violent activity to come. ... [more]
Tremor amplitude at San Miguel volcano over the past weeks (MARN)
Monday, Feb 03, 2014
The volcano has not erupted again, but shows increased signs of unrest. Since late January, the volcano's seismic activity has been rising significantly. MARN detected a swarms of earthquakes at very shallow 1 km depth beneath the SW flank, while a smaller number of quakes occured at approx. 6 km depth beneath the summit of the volcano. ... [more]
Current seismic signal at San Miguel volcano (VSM station, MARN)
Monday, Jan 13, 2014
No significant changes have occurred, but the authorities warn that another eruption in the near to medium-term future cannot be ruled out. Seismic activity with the presence of volcanic tremor remains at elevated, fluctuating levels. A degassing, SO2-rich plume rises about 150 meters above the crater. [more]
Wednesday, Jan 08, 2014
Chaparrastique (the local name of the volcano) is still restless. SNET reports seismicity at (low) levels similar to before and after the eruption on 30 Dec, and a degassing plume of 100 m height, with a decreasing tendency. However, new eruptions with little or no warning could occur and authorities ask people not to approach the crater. [more]

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