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Earth, Planets and Space

Table 1 Seismic line specifications and data acquisition parameters

From: Geophysical imaging of subsurface structures in volcanic area by seismic attenuation profiling

Line name

Line length

Direction

Shot point

KR101

50.0 km

NW → SE

1250–2250

KR102

44.7 km

NE → SW

1082–1976

KR103

52.25 km

SW → NE

1045–2090

KR104

30.65 km

S → N

1207–1820

Observation period

November 21–27, 2000

  

Vessel

R/V Kairei

  

Source

Air-gun array, 8 × 1500 cu. in., 2000 psi, towing depth 10 m

  

Shot spacing

50 m

  

Receiver

Streamer cable, 156 channel, array hydrophones (32 phones/channel), towing depth 20 m

  

Receiver spacing

25 m

  

Source–receiver offset length

200–4100 m

  

Sampling rate

4 ms

  

Record length

15 s

  
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