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Ol Doinyo Lengai   »  Eruptive History

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Ol Doinyo Lengai

Start Date: 2007  Jun  Stop Date: 2010 Oct (?)

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  3

Tephra Volume:  1  x  107 m3

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

Start Date: 1994  Sep 18  Stop Date: 2006 Jul (?)

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  1

Lava Volume:  2.0  ±  0.5  x  107 m3

Area of Activity: North Crater

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

Start Date: 1983  Jan 1  Stop Date: 1993 Sep 24 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Lava Volume:  > 1.3  x  107 m3

Area of Activity: North Crater

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

Start Date: 1974  Aug  Stop Date: 1974 Sep 

Eruption DISCREDITED

Area of Activity: (1974 eruption report incorrect)
Start Date: 1969  Jul (?)

Eruption is UNCERTAIN

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption  (?)

Start Date: 1967  Jul 8  Stop Date: 1967 Sep 4 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  3

Area of Activity: North Crater

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

Start Date: 1960  Mar (on or before) Stop Date: 1966 Nov 28 ± 30 days

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  3

Area of Activity: North Crater

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

Start Date: 1958  Feb 6 (on or before) Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  1

Area of Activity: North Crater

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

Start Date: 1955  Jan 19  Stop Date: 1955 Jan 20 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: North Crater

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption

Start Date: 1954  Jul 26 ± 5 days Stop Date: 1954 Sep 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: North Crater

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption

Start Date: 1940  Jul 24  Stop Date: 1941 Feb 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  3

Area of Activity: North Crater

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

Start Date: 1926  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: North Crater

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption

Start Date: 1921  Feb  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: North Crater

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Mudflow(s) (lahars)

Start Date: 1916  Dec 1 ± 30 days Stop Date: 1917 Jun 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  3

Area of Activity: North Crater

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

Start Date: 1914  Aug 15 ± 270 days Stop Date: 1915 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  0

Area of Activity: North Crater

Eruptive Characteristics:
    Central vent eruption
    Lava flow(s)

Start Date: 1913  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  0

Eruptive Characteristics:
    Central vent eruption
    Lava flow(s)

Start Date: 1907 ± 3 years Stop Date: 1910 Aug 4 (on or after)

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  0

Area of Activity: North Crater

Eruptive Characteristics:
    Central vent eruption
    Lava flow(s)

Start Date: 1904  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  0

Area of Activity: North Crater

Eruptive Characteristics:
    Central vent eruption
    Lava flow(s)

Start Date: 1894 

Eruption DISCREDITED

Area of Activity: (fumarolic activity only)
Start Date: 1882  Stop Date: 1883 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: North Crater

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

Start Date: 1880  Dec  Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  2

Area of Activity: North Crater

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption

Start Date: 1350 (?)  Stop Date: Unknown

Dating Technique: Tephrochronology

Area of Activity: (Footprint Tuff)

Eruptive Characteristics:
    Explosive eruption

Start Date: 700 AD (?)  Stop Date: Unknown

Dating Technique: Tephrochronology

Area of Activity: (Namrod Ash)

Eruptive Characteristics:
    Explosive eruption

Start Date: 50 BC (?)  Stop Date: Unknown

Dating Technique: Tephrochronology

Area of Activity: (BTA Tuffs)

Eruptive Characteristics:
    Explosive eruption

Start Date: 1550 BC ± 1000 years Stop Date: Unknown

Dating Technique: Tephrochronology

Eruptive Characteristics:
    Explosive eruption

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

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