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Fig. 3 | Earth, Planets and Space

Fig. 3

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

Fig. 3

Time history of relative velocity change dv/v for stack of 5 days in a frequency range of 0.1–0.9 Hz from the coda window ranging from −50 to −20 s and 20 to 50 s, with two sigma standard deviations in the time intervals a January 2012 through June 2016 and b December 2012 through November 2013. Note that the dv/v was plotted at the end of the time window for stacking NCFs. Dashed red line is the occurrence time of the 24 May 2013 M 5.7 Greenville earthquake

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