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4 13<br />

5 14<br />

Hydr.<br />

z<br />

x<br />

y<br />

Hydr.<br />

z<br />

x<br />

y<br />

Record length = 120s<br />

First arrival 36.5s from start of record<br />

Water wave arrival 55.05s from start of record<br />

2 Clear seismic and water wave arrival.<br />

2 Clear seismic and water wave arrival.<br />

2 Clear water wave arrival, no seismic.<br />

2 Clear seismic and water wave arrival.<br />

Record length = 150s<br />

First arrival 44. Is from start of record<br />

Water wave arrival 85.6s from start of record<br />

2 Clear seismic and water wave arrival.<br />

2 Clear water wave arrival, weak seismics. Weak<br />

signal with spiky noise. Data terminates at<br />

140.5s from start of record. Noise is still in<br />

evidence after this time.<br />

2 Faulty instrument, periodic noise obscures trace.<br />

Fairly clear water wave arrival. No trace of<br />

seismics.<br />

2 Clear seismic and water wave arrival.<br />

130

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