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Fig. 6 | Earth, Planets and Space

Fig. 6

From: Characteristics of the stress and barometric seismograms produced by the 2011 Tohoku Earthquake (M9.0) and vertical movements derived from barometric seismograms

Fig. 6

List of the data recorded at the time of the Tohoku Earthquake on March 11, 2011, and the variations derived from the recorded data. 1. Vertical variation observed by the STS seismometer at MIZ; 2. vertical components observed by the stress meter at STG200; 3. data observed by the barometer at SN-3; 4. data observed by the barometer at STG200; 5. barometric variations computed from the differentiation of the vertical movements (8) observed at TOKI-GPS; 6. vertical movements computed from the barometric variations (3) observed at SN-3; 7. vertical movements computed from the barometric variations observed at STG200; and 8. vertical movements observed at TOKI-GPS. The arrow indicating the period between 14:50:12 and 14:50:48 shows the time when the stress meter, barometer, water pressure meter, and STS seismometer recorded large amplitudes

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