Figure 10. Contours of Arias intensity (Ia) generated by the 1994 Northridge earthquake in the Oat Mountain quadrangle. Intensity values shown are the average of the two horizontal components.
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U.S. Department of the Interior | U.S. Geological Survey URL: https://pubsdata.usgs.gov/pubs/of/1998/ofr-98-113/figure10.html Questions or Assistance: USGS Web Contact Page Last Modified: Wed Dec 7 16:46 EST 2016