This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
NorthHaywardShake. North Hayward Fault Zone shake map with colors representing ground motion in the Mercalli Intensity Scale Note that colors used in the Mercalli article do not correspond to colors used in the ABAG map shown here use Roman numerals for cross reference On Shaky Ground Association of Bay Area Governments From the