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Pinatubo   »  Eruptive History

Pinatubo

Start Date: 1993  Feb  Stop Date: 1993 Jul (?)

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  1

Area of Activity: Caldera floor

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

Start Date: 1992  Jul 9 (on or before) Stop Date: 1992 Oct 30 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  1

Lava Volume:  4  x  106 m3

Area of Activity: Center of caldera lake

Eruptive Characteristics:
    Central vent eruption
    Crater lake eruption
    Explosive eruption
    Lava dome extrusion
    Spine extrusion
    Fatalities
    Mudflow(s) (lahars)
    Evacuation

Start Date: 1991  Apr 2  Stop Date: 1991 Sep 2 

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI):  6

Tephra Volume:  1.1  ±  0.5  x  1010 m3

Area of Activity: Lower north flank and summit

Eruptive Characteristics:
    Central vent eruption
    Flank (excentric) vent
    Explosive eruption
    Pyroclastic flow(s)
    Phreatic explosion(s)
    Lava dome extrusion
    Fatalities
    Damage (land, property, etc.)
    Mudflow(s) (lahars)
    Caldera collapse
    Evacuation

Start Date: 1450 ± 50 years Stop Date: Unknown

Dating Technique: Radiocarbon (corrected)

Volcanic Explosivity Index (VEI):  5?

Area of Activity: (Baug eruptive period)

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Pyroclastic flow(s)
    Lava dome extrusion
    Damage (land, property, etc.)
    Mudflow(s) (lahars)

Start Date: 1050 BC ± 500 years Stop Date: Unknown

Dating Technique: Radiocarbon (corrected)

Volcanic Explosivity Index (VEI):  6

Tephra Volume:  1.3  ±  0.3  x  1010 m3

Area of Activity: (Maraunot eruptive period)

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

Start Date: 3550 BC ± 500 years Stop Date: Unknown

Dating Technique: Radiocarbon (corrected)

Volcanic Explosivity Index (VEI):  6

Tephra Volume:  1.3  ±  0.3  x  1010 m3

Area of Activity: (Crow Valley eruptive period)

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

Start Date: 7030 BC ± 300 years Stop Date: Unknown

Dating Technique: Radiocarbon (corrected)

Area of Activity: (Pasbul eruptive period)

Eruptive Characteristics:
    Explosive eruption
    Pyroclastic flow(s)

Start Date: 7460 BC ± 150 years Stop Date: Unknown

Dating Technique: Radiocarbon (corrected)

Volcanic Explosivity Index (VEI):  6?

Area of Activity: Tayawan caldera (Pasbul eruptive period)

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

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

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