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Theory and Observations: Normal Mode and Surface Wave Observations
[chapter]
2015
Treatise on Geophysics
In this contribution, we attempt to review the observation of Earth's free oscillations and surface waves. The analysis of free oscillations and long-period surface waves can look back to an almost half-century long history and milestone discoveries are numerous. We touch some of these but our review of the history of developments in the field is incomplete. Here, we rather try to summarize what mode and surface wave analyses are good for, what their strengths and weaknesses are, and we
doi:10.1016/b978-0-444-53802-4.00003-8
fatcat:ndynpk2gmrfgheeeo4cj7izeku