Volcanic harmonic tremor location

被引：0
作者：
Nava, Fidencio A. [1 ]
Avila-Barrientos, Lenin [1 ,2 ,5 ]
Espindola, Juan M. [3 ]
Nunez-Cornu, Francisco J. [4 ]
机构：
[1] Ctr Invest Cient & Educ Super Ensenada, Dept Sismol, Carretera Tijuana-Ensenada 3918, Ensenada 22860, Baja California, Mexico
[2] CONAHCYT, Direcc Adjunta Desarrollo Cientif, Ave Insurgentes 1582,Col Credito Constructor, Mexico City 03940, Mexico
[3] Univ Nacl Autonoma Mexico, Dept Volcanol, Inst Geofis, Mexico City 04510, Mexico
[4] CA Sismol & Volcanol Occidente SisVOc, Puerto Vallarta 48280, Mexico
[5] Ctr Invest Cient & Educ Super Ensenada, Dept Sismol, Carretera Tijuana Ensenada 3918, Ensenada 22860, Baja California, Mexico
来源：
JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH | 2023年 / 444卷
关键词：
Volcanic harmonic tremor; Location; Fourier phase; Popocate ' petl volcano; LONG-PERIOD EVENTS; POPOCATEPETL VOLCANO; WAVE-FIELD; GROUND DEFORMATION; STROMBOLI VOLCANO; SOURCE MECHANISM; ARENAL VOLCANO; ERUPTION; EXPLOSIONS; ARRAY;
D O I：
10.1016/j.jvolgeores.2023.107944
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
We present a new method for location of the source of volcanic harmonic tremor, that employs the Fourier phases of an observed tremor segment recorded at various seismic stations, a condition on the inferred phase at the source, and a search location scheme. We discuss the assumptions and limitations inherent to the proposed method. As an illustration of application to real data, the method is used to locate twenty sources of harmonic tremor occurred at Popocate' petl volcano (Mexico) during the July 2006 tremor episode; the located sources agree quite well with results from other studies of seismicity in this volcano.
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页数：15
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