ArcGIS REST Services Directory
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Legend (Hazards/PGA)

PGA Ground Motion (Peak acceleration, expressed as percent of gravity) (0)
Peak acceleration, expressed as percent of gravity (g)
<8 <8
9 - 10 9 - 10
11 - 12 11 - 12
13 - 16 13 - 16
17 - 21 17 - 21
22 - 27 22 - 27
28 - 35 28 - 35
36 - 46 36 - 46
47 - 59 47 - 59
60 - 77 60 - 77
78 - 100 78 - 100
>100 >100