Layer Estimates:

Layer: ChinaEarthquake (ID:0)
Count: 465
Extent:

XMin: 8204246.47146426
YMin: 1839490.71297543
XMax: 14727568.6319501
YMax: 6463612.12425767
Spatial Reference: 102100 (3857)

Layer: hurricanes (ID:1)
Count: 401
Extent:

XMin: 5165224.3728
YMin: 77925.5821000002
XMax: 20037507.0672
YMax: 8422035.5192
Spatial Reference: 102100 (3857)