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Earth, Planets and Space
Fig. 4 | Earth, Planets and Space

Fig. 4

From: Response of hydrothermal system to stress transients at Lassen Volcanic Center, California, inferred from seismic interferometry with ambient noise

Fig. 4

Frequency-dependent velocity change dv/v for stack of 5 days in frequency ranges of a 0.5–0.9 Hz, b 0.3–0.7 Hz, and c 0.1–0.5 Hz in the time interval January 2012 through June 2016. The coda window ranging from −50 to −20 s and 20 to 50 s was used (gray lines in Fig. 2). Dashed red line is the occurrence time of the 24 May 2013 M 5.7 Greenville earthquake. Also shown are the time series of dv/v for stack of 30 days (red lines)

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