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Fig. 2 | Earth, Planets and Space

Fig. 2

From: Earthquake-induced prompt gravity signals identified in dense array data in Japan

Fig. 2

Acceleration waveforms at F-net observational stations before P-wave arrival from the 2011 Tohoku-Oki earthquake. The black thick vertical line indicates the event origin time \(t_{\text{eq}}\). a Simulated (black) and observed (red) acceleration waveforms at FUK (modified from Fig. 3 of Vallée et al. 2017). The observed waveform was processed using procedure V. b Observed acceleration waveforms at FUK and around 10 stations processed using procedure K, which is perfectly causal. c Distribution map of the F-net observational stations near FUK

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