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  • Royden, L.  (2)
  • 1985-1989  (2)
  • 1988  (2)
Material
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  • 1985-1989  (2)
Year
  • 1988  (2)
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  • 1
    Online Resource
    Online Resource
    Bounds on the Holocene Slip Rate of the Haiyuan Fault, North-Central China
    Cambridge University Press (CUP) ; 1988
    In:  Quaternary Research Vol. 30, No. 2 ( 1988-09), p. 151-164
    Details
    In: Quaternary Research, Cambridge University Press (CUP), Vol. 30, No. 2 ( 1988-09), p. 151-164
    Abstract: We measured the offsets of six stream valleys, of 30 to 90 m, along the northwest-southeast trending, left-lateral Haiyuan strike-slip fault, in north-central China. Minimum ages of these offsets were determined to estimate lower bounds for the Holocene slip rate. The most reliable bounds are 7.6 ± 1.0 and 6.7 ± 1.0 mm/yr, with three others that are smaller (3.4 ± 0.7, 3.5 ± 0.9, and 4.1 ± 0.4 mm/yr) and one large value (16.4 ± 5.9 mm/yr) that we doubt. Thus, the average Holocene slip rate of the Haiyuan fault is larger than 6 mm/yr and probably exceeds 7 mm/yr. If the average slip rate of 5 to 10 mm/yr for the Quaternary Period is applicable to the Holocene Epoch, the average rate is 8 ± 2 mm/yr.
    Type of Medium: Online Resource
    ISSN: 0033-5894 , 1096-0287
    URL: Article
    DOI: 10.1016/0033-5894(88)90020-8
    RVK:
    RA 1000
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 1988
    detail.hit.zdb_id: 1471589-2
    detail.hit.zdb_id: 205711-6
    SSG: 13
    SSG: 14
    Location Call Number Limitation Availability
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  • 2
    Online Resource
    Online Resource
    Bounds on the Average Recurrence Interval of Major Earthquakes Along the Haiyuan Fault In North-Central China
    Seismological Society of America (SSA) ; 1988
    In:  Seismological Research Letters Vol. 59, No. 3 ( 1988-07-01), p. 81-89
    Details
    In: Seismological Research Letters, Seismological Society of America (SSA), Vol. 59, No. 3 ( 1988-07-01), p. 81-89
    Abstract: Evidence of surface rupture has been found in trenches near Caiyuan and Shaomayin along the Haiyuan fault, where a great earthquake occurred in 1920. In addition to the 1920 earthquake, faulting occurred at least once between 2590 ± 190 years and 1525 ± 170 years B.P. in Caiyuan, and there probably was another event since 1525 ± 170 years B.P. The formation and later tilting of fault-related, scarp-derived colluvial wedges in the Shaomayin trench appear to record the occurrence of two pre-1920 events in the last 2200–3700 years, but there could have been three or more events. The average recurrence interval for great earthquakes along the Haiyuan fault probably exceeds 700 years, for the 1920 Haiyuan earthquake is the only major event to have been reported in this area in as many years of recorded history. Using a Holocene slip rate along this fault of 8 ± 2 mm/yr, and 8 m as the average amount of offset associated with past great events that have been determined by our previous studies, the resultant earthquake recurrence intervals would be from 800 to 1400 years. The results from our trenches and the historic record are consistent with this range.
    Type of Medium: Online Resource
    ISSN: 1938-2057 , 0895-0695
    URL: Article
    DOI: 10.1785/gssrl.59.3.81
    Language: English
    Publisher: Seismological Society of America (SSA)
    Publication Date: 1988
    detail.hit.zdb_id: 2403376-5
    SSG: 16,13
    Location Call Number Limitation Availability
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