{"product_id":"in-situ-measurements-of-seismic-velocities-in-the-san-francisco-bay-region-part-iii-usgs-open-file-report-77-850-paperback","title":"In-situ measurements of seismic velocities in the San Francisco Bay Region, Part III: USGS Open-File Report: 77-850 - Paperback","description":"\u003cdiv\u003e\u003cp style=\"text-align: right;\"\u003e\u003ca href=\"https:\/\/reportcopyrightinfringement.com\/\" target=\"_blank\" rel=\"nofollow\"\u003e\u003cb\u003eReport copyright infringement\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\u003c\/div\u003e\u003cp\u003eby \u003cb\u003eEt Al\u003c\/b\u003e (Created by), \u003cb\u003eJames F. Gibbs\u003c\/b\u003e (Author), \u003cb\u003eThomas E. Fumal\u003c\/b\u003e (Author)\u003c\/p\u003e\u003cp\u003eSeismic wave velocities (compressional and shear) are important parameters for estimating the seismic response characteristics of various geologic units when subjected to strong earthquake ground shaking. Seismic velocities of various units often show a strong correlation with the amounts of damage following large earthquakes and have been used as a basis for certain types of seismic zonation studies. In the current program seismic velocities have been measured at 59 locations 1n the San Francisco Bay Region. This report is the third in a series of Open-File Reports and describes the in-situ velocity measurements at locations 35-59. At each location seismic travel times are measured in drill holes, normally at 2.5-m intervals to a depth of 30 m. Geologic logs are determined from drill cuttings, undisturbed (cored) samples, and penetrometer samples. The data provide a detailed comparison of geologic and seismic characteristics and provide parameters for estimating strong earthquake ground motions quantitatively at each of the sites. A major emphasis of this program is to obtain a detailed comparison of geologic and seismic data on a regional scale for use in seismic zonation.\u003c\/p\u003e\n            \u003cdiv\u003e\n\u003cstrong\u003eNumber of Pages:\u003c\/strong\u003e 150\u003c\/div\u003e\n            \u003cdiv\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.32 x 9.69 x 7.44 IN\u003c\/div\u003e\n            \u003cdiv\u003e\n\u003cstrong\u003ePublication Date:\u003c\/strong\u003e March 11, 2013\u003c\/div\u003e\n            ","brand":"BooksCloud","offers":[{"title":"Default Title","offer_id":53147281162547,"sku":"9781288905645","price":38.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0300\/5595\/6612\/files\/E1YEFgUh_W9781288905645.webp?v=1773878269","url":"https:\/\/www.vysn.com\/en-ca\/products\/in-situ-measurements-of-seismic-velocities-in-the-san-francisco-bay-region-part-iii-usgs-open-file-report-77-850-paperback","provider":"VYSN","version":"1.0","type":"link"}