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Worldwide Database of Volcanic Ground Deformation

Cerro Azul

Volcano number: 353060
Region: South America
Country: Ecuador
Geodetic measurements? Yes
Deformation observation? Yes
Measurement method(s): InSAR
Duration of observation: 1992 - 1999
Inferred cause of deformation: Magmatic
Characteristics of deformation:

At Cerro Azul, pre-eruptive uplift (June 1992 to October 1997), as well as subsidence (October 1997 to November 1998), are associated with the September–October 1998 eruption4,5

References: 'Amelung, F., S. Jónsson, H. Zebker, and P. Segall (2000), Widespread uplift and “trapdoor” faulting on Galápagos volcanoes observed with radar interferometry, Nature, 407, 993–996, doi:10.1038/35039604.'
Location: -91.40799999999999, -0.92