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- W4250417424 abstract "This chapter is a discussion of methods used to locate seismic sources (earthquakes, explosions, etc.). Source location was one of the earliest fundamental problems in seismogram analysis. We review the construction of location estimates using observations of the polarization of P waves and travel-time based estimates of the distance from the seismic station to the source. We also introduce formal inversion procedures used to locate earthquakes, including the classical least-squares approach to minimize the differences in observed and predicted wave arrival times. Accurately estimating earthquake locations requires adequate observations of first and secondary arrivals that azimuthally surround a source, adequate signal-to-noise for accurate timing, and an appropriate velocity model. The chapter also includes a summary of more modern approaches to obtain relative locations of clusters or sequences of events, which generally provides higher precision (but similar accuracy) locations than traditional single-event location approaches." @default.
- W4250417424 created "2022-05-12" @default.
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- W4250417424 date "2021-01-01" @default.
- W4250417424 modified "2023-10-18" @default.
- W4250417424 title "An introduction to earthquake location" @default.
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- W4250417424 doi "https://doi.org/10.1016/b978-0-12-815679-7.00013-6" @default.
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