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Worldwide Database of Volcanic Ground Deformation


Volcano number: 273083
Region: Philippines and SE Asia
Country: Philippines
Geodetic measurements? Yes
Deformation observation? Yes
Measurement method(s): Tiltmeter
Duration of observation: 1991
Inferred cause of deformation: []
Characteristics of deformation:

Tiltmeters detected 50 rad of cumulative tilt over the three days prior to the magma presumably reaching the surface and a lava dome beginning to form on June 7 1991 (Ewert et al., 1996).

References: 'Ewert, J.W., Lockhart, A.B., Marcial, S. and Ambubuyog, G., 1996. Ground deformation prior to the 1991 eruptions of Mount Pinatubo. Fire and Mud. Eruptions and lahars of Mount Pinatubo, Philippines. University of Washington Press, Seattle, pp.329-338.'
Location: 120.35, 15.13