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San Miguel   »  Eruptive History

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San Miguel

Start Date: 2002  Jan 16  Stop Date: 2002 Jan 16 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  1

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption

Start Date: 1997  Dec 31  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  1

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Phreatic explosion(s)

Start Date: 1995  Jan 12  Stop Date: 1995 Apr 19 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  1

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Phreatic explosion(s)  (?)
    Damage (land, property, etc.)

Start Date: 1985  Nov  Stop Date: 1986 Feb (in or after)

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  1

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Phreatic explosion(s)

Start Date: 1976  Dec 2  Stop Date: 1977 Mar 1 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  1

Lava Volume:  1.4  x  106 m3

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Lava flow(s)
    Damage (land, property, etc.)
    Evacuation

Start Date: 1970  Mar 30  Stop Date: 1970 Apr 5 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  1

Tephra Volume:  > 7.5  x  104 m3

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Damage (land, property, etc.)

Start Date: 1967  Jan 5  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Damage (land, property, etc.)  (?)

Start Date: 1966  Jul  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Explosive eruption

Start Date: 1966  Feb 22  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Explosive eruption

Start Date: 1964  Oct 23  Stop Date: 1964 Nov 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Damage (land, property, etc.)

Start Date: 1954  Oct 21  Stop Date: 1954 Oct 21 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Phreatic explosion(s)

Start Date: 1939  May  Stop Date: 1939 Jul 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Explosive eruption

Start Date: 1936 (?) 

Eruption is UNCERTAIN

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Explosive eruption  (?)

Start Date: 1931  Mar  Stop Date: 1931 Jun 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Lava flow(s)  (?)

Start Date: 1930  Jan 26 ± 5 days Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption

Start Date: 1929  Aug  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption

Start Date: 1920  Aug 14  Stop Date: 1925 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Explosive eruption

Start Date: 1919  Dec 10  Stop Date: 1920 Jan 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Explosive eruption

Start Date: 1890  Stop Date: 1891 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption

Start Date: 1884  Jan 25  Stop Date: 1884 Jan 28 ± 1 day

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: NE side of main crater

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Lava flow(s)

Start Date: 1882  Dec 5 ± 4 days Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Explosive eruption

Start Date: 1867  Dec 14  Stop Date: 1868 Feb 16 (on or after)

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: WSW flank (1000 m)

Eruptive Characteristics:
    Flank (excentric) vent
    Radial fissure eruption
    Explosive eruption
    Lava flow(s)
    Damage (land, property, etc.)

Start Date: 1862  Jan  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Explosive eruption

Start Date: 1857  Nov  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2?

Eruptive Characteristics:
    Explosive eruption
    Lava flow(s)

Start Date: 1855  Dec  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: SSE flank (800 m)

Eruptive Characteristics:
    Flank (excentric) vent
    Radial fissure eruption
    Explosive eruption
    Lava flow(s)

Start Date: 1854 

Eruption is UNCERTAIN

Volcanic Explosivity Index (VEI):  2?

Eruptive Characteristics:
    Explosive eruption  (?)

Start Date: 1844  Jul 25  Stop Date: 1848 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: NNW (1120 m) and upper east flanks

Eruptive Characteristics:
    Flank (excentric) vent
    Radial fissure eruption
    Explosive eruption
    Lava flow(s)

Start Date: 1819  Jul 18  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: SSE flank (400 m; near Los Perolitos)

Eruptive Characteristics:
    Radial fissure eruption
    Explosive eruption
    Lava flow(s)
    Damage (land, property, etc.)

Start Date: 1811 

Eruption is UNCERTAIN

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Explosive eruption  (?)

Start Date: 1798 (?) 

Eruption is UNCERTAIN

Volcanic Explosivity Index (VEI):  2

Eruptive Characteristics:
    Explosive eruption  (?)

Start Date: 1787  Sep 21  Stop Date: 1787 Sep 23 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: Summit, north and SE flanks

Eruptive Characteristics:
    Central vent eruption
    Flank (excentric) vent
    Radial fissure eruption
    Explosive eruption
    Lava flow(s)
    Damage (land, property, etc.)

Start Date: 1769  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: East flank ?

Eruptive Characteristics:
    Radial fissure eruption  (?)
    Explosive eruption  (?)
    Lava flow(s)

Start Date: 1762  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: NE flank (400 m)

Eruptive Characteristics:
    Radial fissure eruption
    Explosive eruption  (?)
    Lava flow(s)

Start Date: 1699  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: SE flank (400 m)

Eruptive Characteristics:
    Flank (excentric) vent
    Radial fissure eruption
    Explosive eruption
    Lava flow(s)

Start Date: 1510 ± 5 years Stop Date: Unknown

Dating Technique: Historical Records

Area of Activity: (eruption 70-80 years before 1586)

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Pyroclastic flow(s)  (?)
    Lava flow(s)  (?)

Global Volcanism Program — Department of Mineral Sciences — National Museum of Natural History — Smithsonian Institution

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