Layer Estimates:

Layer: GVP Volcanoes (ID:0)
Count: 63
Extent:

XMin: 3994143.3297
YMin: 389414.6492
XMax: 4758908.2314
YMax: 1694963.135
Spatial Reference: 102100 (3857)

Layer: Fault Lines (ID:1)
Count: 3695
Extent:

XMin: 3957150.7716
YMin: 420187.863699999
XMax: 4501643.5289
YMax: 1045242.7563
Spatial Reference: 102100 (3857)

Layer: Regional Population Density (ID:2)
Count: 12
Extent:

XMin: 3678336.3429
YMin: 387052.5009
XMax: 5335501.7804
YMax: 1656600.0009
Spatial Reference: 102100 (3857)