SD RECOGNIZES THAT THE NUREG REPORTS REPRESENT ONLY A PORTION OF A FIVE YEAR PROGRAM. NONTHELESS, THEY SHOULD PROVIDE USEFUL INPUT RIL TITLE REGIONAL TECTONICS AND SEISMICITY OF E. NEBRASKA ANNUAL RPT. REGIONAL TECTONICS AND SEISMICITY OF EASTERN NEBRASKA ANNUAL REPORT - JUNE 1, 1977 - MAY 30, 1978 RES COMMENTS THE PURPOSE OF THIS RESEARCH IS TO STUDY THE EARTH SCIENCE PARAMETERS OF THE NEMAHA UPLIFT AND THE MIDCONTINENT GRAVITY ANOMALY. KNOWLEDGE OF THESE GEOLOGICAL STRUCTURES IS NEEDED TO DETERMINE WHETHER OR NOT THEY ARE LOCALIZERS OF EARTHQUAKES. THE INFORMATION GAINED IS OF IMPORTANCE IN THE SITING AND LICENSING OF NUCLEAR POWER PLANTS. THIS INTERIM REPORT PRESENTS AND INTERPRETS INFORMATION OBTAINED BETHEEN JUNE 1, 1977 TO MAY 30, 1978. RES RECOMMENDS THAT THE INFORMATION CONTAINED IN NUREG/CR-8876 BE CONSIDERED BY SD AND NRR AS INPUT TO THE DEVELOPMENT OF A TECTONIC PROVINCE OR SEISMIC ZONING MAP OF THE EASTERN U.S. AND TO PROVIDE A BASIS AND GUIDE FOR ONGOING STUDIES IN THE AREA. THE PURPOSE OF THIS RESEARCH IN THE CENTRAL STABLE REGION IS AN ATTEMPT TO DETERMINE THE REASONS FOR, AND SOURCE OF, LARGER EARTHQUAKES IN THE EASTERN UNITED STATES. THIS NEBRASKA EFFORT CONSTITUTES A PORTION OF A COOPERATIVE GEOLOGIC, SEISMIC, AND GEOPHYSICAL EFFORT OF THE STATE GEOLOGICAL SURVEYS OF OKLAHOMA, KANSAS, NEBRASKA, IOWA, AND MINNESOTA TO STUDY THE EARTH SCIENCE PARAMETERS OF THE NEMAHA UPLIFT AND THE MIDCONTINENT GRAVITY ANOMALY. THIS REPORT (NUREG/CR-0876) PRIMARILY ADDRESSES THE GEOLOGY, STRUCTURE, TECTONICS, AND SEISMICITY OF SOUTHEASTERN NEBRASKA IN THE VICINITY OF THE HUMBOLDT FAULT ZONE (A GEOLOGIC STRUCTURE NEAR THE NEMAHA UPLIFT). THIS NEBRASKA RESEARCH PROGRAM, IN CONJUNCTION WITH OTHER REGIONAL EFFORTS, IS TO SERVE AS AN AID TO THE NRC IN DEVELOPING A RATIONAL EVALUATION OF EARTHQUAKE RISK AS IT APPLIES TO THE SITING, DESIGN AND REEVALUATION OF NUCLEAR FACILITIES LOCATED WITHIN THE STUDY REGION. *** NRR ❘ IMPACT OF RESULTS MEN THIS RESEARCH EFFORT HAS INCREASED OUR KNOWLEDGE OF THE GEOLOGY, STRUCTURE, TECTONICS AND SEISMICITY OF EASTERN NEBRASKA (VICINITY *** NRR : COMMENTS AND REMARKS *** NUREG/CR-0876 CONSTITUTES ONLY A PORTION OF A MAJOR REGIONAL EFFORT DIRECTED TOWARD DETERMINATION OF THE SOURCES OF SEISMICITY IN SD RECOGNIZES THAT THE NUREG REPORTS REPRESENT ONLY A PORTION OF A FIVE YEAR PROGRAM. NONETHELESS, THEY SHOULD PROVIDE USEFUL *** SD: IMPACT OF RESULTS *** OFFICE SD (NO DATA AVAILABLE) *NN SD • COMMENTS AND REMARKS *** (NO DATA AVAILABLE) RIL TITLE: NEW ENGLAND SEISMOTECTONIC STUDY ACTIVITIES FY77 & 78 SPONSORING OFFICE(S): NRR, SD RES UNIT RES. TECHNICAL LEAD NEW ENGLAND SEISMOTECTONIC STUDY ACTIVITIES DURING FISCAL YEARS 1977 AND 1978 RES COMMENTS THE NEW ENGLAND SEISMOTECTONIC STUDY IS A 5-YEAR PROGRAM TO STUDY THE GEOLOGY AND SEISMICITY OF NEW ENGLAND AND CONTIGUOUS AREAS TO RES RECOMMENDS THAT THE INFORMATION CONTAINED IN NUREG/CR-0081 AND NUREG/CR-0930 BE CONSIDERED BY SD AND NRR AS INPUT TO THE DEVELOPMENT OF A TECTONIC PROVINCE OR SEISMIC ZONING MAP OF THE EASTERN U.S. AND TO PROVIDE A BASIS AND GUIDE FOR ONGOING STUDIES IN THE AREA. DOCUMENTS ISSUED: NUREG/CR-0081; NUREG/CR-0930. REGION IN ACCORDANCE WITH NRC REGULATIONS. THE STUDY IS A COOPERATIVE EFFORT AMONG FEDERAL AGENCIES, UNIVERSITIES, AND STATE GEOLOGICAL SURVEYS IN A PROGRAM TO STUDY THE GEOLOGY AND SEISMOLOGY OF NEW ENGLAND, WITH THE INTENT TO PROVIDE A STRONG BASIS FOR THE ASSESSMENT OF THE SEISMIC HAZARD IN THE YEAR PROGRAM. THE RESULTS HAVE ADDED GREATLY TO THE GENERAL KNOWLEDGE OF THE STAFF. THE SUBJECT NUREG'S ARE A SUMMARY OF THE RESULTS OF THE FIRST 2 YEARS ACTIVITY OF A 5 *** NRR : IMPACT OF RESULTS *** THE RESULTS HAVE THUS FAR HAD NO DIRECT IMPACT ON LICENSING DECISIONS. THEY TEND, HOWEVER, TO CONFIRM PAST CONCLUSIONS THAT *** NRR COMMENTS AND REMARKS *** TECHNIQUES. AN ADDITIONAL BENEFIT OF THIS PROGRAM IS THAT IT HAS DEMONSTRATED THE EFFECTIVENESS OF IDENTIFYING FAULTS USING REMOTE SENSING ION OF A SEISMOTECTONIC MAP AND TO PROVIDE A BASIS AND GUIDE FOR ONGOING STUDIES. IT IS RECOMMENDED THAT THE INFORMATION CONTAINED IN MUREG/CR-0939 AND NUREG/CR-0081 BE USED AS INPUT TO THE CONSTRUCT |