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Table 4. Source parameters for the model illustrated in Fig. 7 derived from inversion of gravity change (March 2011–March 2012) and displacement data (February 2011–February 2012).

From: Gravity variation around Shinmoe-dake volcano from February 2011 through March 2012—Results of continuous absolute gravity observation and repeated hybrid gravity measurements

Parameter

Value

(Inflation source)

Location

E130.86°, N31.91°

Volume change

ΔV = 6 × 106 m3

Depth

D = 9.0 km

Mass change

ΔM = 1.25 #x00D7; 1011 kg (upperbound setto 1.25 × 1011 kg)

(Tensile dislocation on a rectangle)

Location (SE corner)

E130.86°, N31.91°

Length

L = 10 km

Width

W = 0.5 km

Depth to the top edge

dTop = 0.5 km

Dip angle

90° (fixed)

Strike angle from north

300°

Tensile opening

U = 0.5 m