back-arc [Adjective] + basin [Noun]

Strength Strength Dispersion
A:
4
CHISQ:
5,753.55
AWT:
48,016,703
TTEST:
2
G2:
65.25
FAWT:
1.13
MI:
10.49
LOGLOG:
20.98
JD:
0.21
MI3:
14.49
DICE:
0.54
RANGE: