Geology of the City of Long Beach, California, United States of America

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doi: 10.2113/gseegeosci.xx.1.9
Authors:Randell, David H.; Reardon, Jeffry B.; Hileman, James A.; Matuschka, Trevor; Liang, George C.; Khan, Alexander I.; Laviolette, John
Author Affiliations:Primary:
Ertec West., Long Beach, CA, United States
Volume Title:Bulletin of the Association of Engineering Geologists
Source:Bulletin of the Association of Engineering Geologists, 20(1), p.9-94. Publisher: Association of Engineering Geologists, Dallas, TX, United States. ISSN: 0004-5691
Publication Date:1983
Note:In English. 151 refs.; illus. incl. sketch maps
Summary:The City of Long Beach, California, once part of two large Spanish land grants, occupies the extreme southeast corner of Los Angeles County and borders the Pacific Ocean. Northwest-trending faults and folds passing through the city generally parallel the active Newport-Inglewood structural zone. This zone has been recognized as a ground-water barrier since 1905, and as a structural crude oil trap since 1921. The city lies within the Los Angeles sedimentary basin and rests on top of about 4,267 m (14,000 ft) of Miocene and Pliocene sediments and an undetermined thickness of pre-Miocene basement rocks. Foundation-related geotechnical characteristics of surficial geologic units in the city vary from stiff to hard consistency and low compressibility in terrace deposits, to generally low-strength and moderate compressibility in made land. As many as 13 potential geologic constraints have been identified within the city. Long Beach is located in an area of known historic seismicity. Long Beach is essentially a fully developed area and contains numerous industrial, commercial and residential areas. Highrise structures coexist with residential housing in some localities. Port facilities exist within areas of oil production.—Journal abstract.
Subjects:Areal geology; Buildings; Cenozoic; Coastal environment; Earthquakes; Engineering geology; Exploration; Faults; Folds; Foundations; Ground water; Land subsidence; Liquefaction; Miocene; Monterey Formation; Neogene; Oil and gas fields; Pico Formation; Pliocene; Puente Formation; Salt-water intrusion; Seiches; Seismicity; Slope stability; Soils; Tectonics; Tertiary; Tsunamis; Upper Miocene; Waste disposal; California; Long Beach California; Los Angeles County California; Newport-Inglewood Fault; Palos Verdes Hills; United States; Alamitos Bay; Naples Island; Repetto Formation; San Pedro Formation
Coordinates:N334700 N334700 W1181500 W1181500
Record ID:1983026158
Copyright Information:GeoRef, Copyright 2018 American Geosciences Institute.
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