Remote sensing of volcano deformation by radar interferometry from various satellites

Didier Massonnet, Freysteinn Sigmundsson

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

49 Citations (Scopus)

Abstract

We describe the remote sensing tool known as satellite radar interferometry and its application for measuring crustal deformation at volcanoes, with about 1 cm accuracy. The technique relies on synthetic aperture radar (SAR) images acquired by radar satellites at different times. These images are combined into interferograms, which reveal information about the change in range from ground to satellite, expressed as interferometric fringes. We give numerous examples of radar interferometric applications to volcanology that demonstrate that interferometry has already been used to measure volcanic deformation throughout the eruptive cycle, using all available spaceborne radar instruments. Radar interferometry is an important tool for worldwide volcano monitoring, because basic volcanic phenomena are properly observed, with some caveats, in all climate types, from tropical to sub-polar.

Original languageEnglish
Title of host publicationRemote Sensing of Active Volcanism, 2000
EditorsJoy A. Crisp, Peter J. Mouginis-Mark, Jonathan H. Fink
PublisherWiley-Blackwell Publishing Ltd
Pages207-221
Number of pages15
ISBN (Electronic)9781118664513
ISBN (Print)9780875900995
DOIs
Publication statusPublished - 2000

Publication series

NameGeophysical Monograph Series
Volume116
ISSN (Print)0065-8448
ISSN (Electronic)2328-8779

Bibliographical note

Publisher Copyright:
© 2000 by the American Geophysical Union.

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