نتایج جستجو برای: mainshock
تعداد نتایج: 432 فیلتر نتایج به سال:
Abstract The 2022 M w 6.2 Pasaman earthquake took place in central-west Sumatra association with activity the Sumatran Fault system. This study clarifies spatial and temporal distribution of sequence forecasts sequence’s impact on seismicity vicinity We first examined before mainshock observed low b -value anomalies, shedding light earthquake’s precursor by monitoring -values prior to event. Ba...
A comprehensive evaluation of region-time-magnitude behaviours aftershocks following the 24 January 2020 (Mw = 6.8) Elazığ-Sivrice (Türkiye) earthquake was achieved by using characteristic parameters such as b-value, p-value, Dc-value and Mamax value aftershock occurrences. The b-value calculated 0.82 ± 0.02 considering magnitude completeness Mcomp 1.9, it is relatively small compared to typica...
Abstract Several recent studies have investigated the risk posed to structures by earthquake sequences, proposing state-dependent fragility/vulnerability models for assets in damaged conditions. However, a critical component such efforts, i.e., ground-motion record selection, has received relatively minor consideration. Specifically, utilization of “consistent” mainshock (MS)–aftershock (AS) gr...
Events characterized by widespread landslides provide rare but valuable opportunities to investigate the spatial and size distributions of in relation seismic, climatic, geological morphological factors. This study presents a unique event inventory for co-seismic induced February 25, 2018 Mw 7.5 Papua New Guinea earthquake. The mainshock rupture was dominated reverse fault motion, this also cas...
We determined source spectral functions, Q and site effects using regional records of body waves from the October 19, 2013 (Mw = 6.6) earthquake and eight aftershocks located 90 km east of Loreto, Baja California Sur, Mexico. We also analyzed records from a foreshock with magnitude 3.3 that occurred 47 days before the mainshock. The epicenters of this sequence are located in the south-central r...
The geometry of faults is usually thought to be more complicated at the surface than at depth and to control the initiation, propagation and arrest of seismic ruptures1–6. The fault system that runs from southern California into Mexico is a simple strike-slip boundary: the west side of California and Mexico moves northwards with respect to the east. However, the Mw 7.2 2010 El Mayor–Cucapah ear...
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