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| DOI | 10.1007/s11069-021-04640-w |
| Interoccurrence times and seismic hazard for upper-crustal volcanic chain earthquakes in El Salvador: are they Poissonian distributed? | |
| Salazar W. | |
| 发表日期 | 2021 |
| ISSN | 0921030X |
| 起始页码 | 1443 |
| 结束页码 | 1465 |
| 卷号 | 107期号:2 |
| 英文摘要 | We study the statistical properties of time intervals between successive earthquakes for a given magnitude in the El Salvador volcanic chain, namely hereafter the interoccurrence times employing both the cumulative Poisson and the Weibull probability distributions. The dataset comprises magnitudes between M 4.0 and 6.93 within the years 1528–2018. We suggest that ITs pose the Weibull distribution for all events and that the Poisson distribution co-exists for ITs longer than the Weibull mean. Based on the probabilities distribution fit, we compute for engineering purposes ground motion and elastic response spectra for 5% damping employing time-dependent and independent seismic hazard models at San Salvador city, observing covariance of less than 7% amongst the models. The disaggregation analysis suggests that a magnitude 6.3 contributes most to the hazard and coincides with the magnitude bin of 6.25–6.50, which has the maximum conditional probability in the time-dependent model. © 2021, The Author(s), under exclusive licence to Springer Nature B.V. part of Springer Nature. |
| 关键词 | Conditional probabilityCumulative probability distributionElapsed timeResponse spectra |
| 语种 | 英语 |
| 来源期刊 | Natural Hazards
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/206537 |
| 作者单位 | Catholic University of El Salvador, UNICAES, Santa Ana, El Salvador |
| 推荐引用方式 GB/T 7714 | Salazar W.. Interoccurrence times and seismic hazard for upper-crustal volcanic chain earthquakes in El Salvador: are they Poissonian distributed?[J],2021,107(2). |
| APA | Salazar W..(2021).Interoccurrence times and seismic hazard for upper-crustal volcanic chain earthquakes in El Salvador: are they Poissonian distributed?.Natural Hazards,107(2). |
| MLA | Salazar W.."Interoccurrence times and seismic hazard for upper-crustal volcanic chain earthquakes in El Salvador: are they Poissonian distributed?".Natural Hazards 107.2(2021). |
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