第12回 火山学入門
12.6 有珠山でなにが起こったか
国土地理院(村上氏)の見解:
Phase I (3/27-3/29)
Dike intrusion (8->3km) 8x10^6 m^3
Phase II (3/29-31)
Sill at 3km 5x10^7
Dike at 1km 1x10^7
Deflation at 10km -2x10^7
Phase III (4/1-present)
Sill 3x10^7
Shallow dike 1x10^7
Deflation at 10km -5x10^7