气候变化领域集成服务门户(CCPortal): Quantification of earthquake diagnostic effects to assess low macroseismic intensities

CCPortal

DOI	10.1007/s11069-020-04256-6
	Quantification of earthquake diagnostic effects to assess low macroseismic intensities
	Sbarra P.; Tosi P.; De Rubeis V.; Sorrentino D.
发表日期	2020
ISSN	0921030X
起始页码	1957
结束页码	1973
卷号	104 期号:3
英文摘要	A large amount of data about earthquake effects, supplied by citizens through a web-based questionnaire, enabled the analysis of the occurrence of many of the effects on humans and objects listed in macroseismic scales descriptions. Regarding the other diagnostic effects (rattling, moving, shifting, falling or overturning depending of the object type of doors, windows, china, glasses, small objects, pictures, vases, books, as well as frightened people and animal behaviour), data from more than 300,000 questionnaires about earthquakes felt in Italy from June 2007 to August 2017, were analysed by stacking them together as a function of hypocentral distance and magnitude. The comparison of the resulting percentages with the intensity prediction equation showed that almost all the chosen effects are good diagnostics for macroseismic intensity evaluation, as their percentages are well differentiated. We did not analyse the oscillations of hanging objects and liquids because the differences in effect attenuations, highlighted by the maps of the occurrence percentage, suggested to not consider them as diagnostic effect. This result allowed us to quantify the occurrence of each diagnostic effect for the intensity degrees from II to VI of the European macroseismic scale for the people who felt the earthquake. The application of the intensity assessment method to internet macroseismic data, based on the specifications herein proposed, should mitigate the problem of “not felt” undersampling in crowdsourced web data. © 2020, The Author(s).
关键词	Diagnostic effects Earthquake EMS scale Intensity estimation Macroseismic questionnaire
英文关键词	earthquake hypocenter; earthquake intensity; earthquake magnitude; earthquake prediction; equation; quantitative analysis; questionnaire survey; seismic attenuation; Italy
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/205925
作者单位	Istituto Nazionale di Geofisica e Vulcanologia, Via di Vigna Murata 605, Rome, 00143, Italy
推荐引用方式 GB/T 7714	Sbarra P.,Tosi P.,De Rubeis V.,et al. Quantification of earthquake diagnostic effects to assess low macroseismic intensities[J],2020,104(3).
APA	Sbarra P.,Tosi P.,De Rubeis V.,&Sorrentino D..(2020).Quantification of earthquake diagnostic effects to assess low macroseismic intensities.Natural Hazards,104(3).
MLA	Sbarra P.,et al."Quantification of earthquake diagnostic effects to assess low macroseismic intensities".Natural Hazards 104.3(2020).