نتایج جستجو برای: paleoseismology
تعداد نتایج: 84 فیلتر نتایج به سال:
Abstract Previous studies of sediments recovered from the Japan Trench between 37° 25′ N and 38° 30′ document distinctive turbidite beds induced by huge earthquakes. We studied two sediment cores at 39°N to investigate depositional record further north along Trench. These investigations spatially extend our knowledge earthquakes in examined specifically precise stratigraphy using paleomagnetic ...
The 1884 Andalusia Earthquake, with an estimated magnitude between 6.2 and 6.7, is one of the most destructive events that shook Iberian Peninsula, causing around 1200 casualties. According to paleoseismology studies intensity maps, earthquake source relates normal Ventas de Zafarraya Fault (Granada, Spain). Diverse registered later analyzed hydrological effects, such as landslides, rockfalls, ...
The cosmogenic nuclide exposure history method is undergoing major developments in analytical, theoretical, and applied areas. The capability to routinely measure low concentrations of stable and radioactive cosmogenic nuclides has led to new methods for addressing long-standing geologic questions and has provided insights into rates and styles of sur"cial processes. The di!erent physical and c...
Determining the timing of paleoearthquakes is a central goal of paleoseismology and serves as an important input to seismic hazard evaluations. Herein, we develop a Bayesian statistical method for refining the ages of strata and earthquakes and calculating the recurrence of earthquakes based on data from paleoseismic excavations. Our work extends previous paleoseismic Bayesian modeling by simul...
Abstract. Seismic hazard is commonly characterised using instrumental seismic records. However, these records are short relative to earthquake repeat times, and extrapolating estimate can misrepresent the probable location, magnitude, frequency of future large earthquakes. Although paleoseismology address this challenge, approach requires certain geomorphic setting, resource intensive, carry in...
We estimated horizontal velocities at 25 sites first surveyed in a 1901–1903 British Ordnance Survey triangulation and then resurveyed with GPS in 1994–1995 to identify Trinidad’s principal active on-land faults, quantify fault-slip-rates, and test for elastic locking. Our best-fit single-fault elastic dislocation model put 12 3 mm/yr of dextral strike-slip on the Central Range Fault (1–2 km lo...
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