Surface ruptures following the 26 December 2018, Mw 4.9, Mt. Etna earthquake, Sicily (Italy) EMERGEO Working Group (Etna 2018)

被引：28

作者：

Civico, Riccardo ^{[1
]}

Pucci, Stefano ^{[1
]}

Nappi, Rosa ^{[1
]}

Azzaro, Raffaele ^{[1
]}

Villani, Fabio ^{[1
]}

Pantosti, Daniela ^{[1
]}

Cinti, Francesca R. ^{[1
]}

Pizzimenti, Luca ^{[1
]}

Branca, Stefano ^{[1
]}

Brunori, Carlo Alberto ^{[1
]}

Caciagli, Marco ^{[1
]}

Cantarero, Massimo ^{[1
]}

Cucci, Luigi ^{[1
]}

D'Amico, Salvatore ^{[1
]}

De Beni, Emanuela ^{[1
]}

De Martini, Paolo Marco ^{[1
]}

Mariucci, Maria Teresa ^{[1
]}

Montone, Paola ^{[1
]}

Nave, Rosella ^{[1
]}

Ricci, Tullio ^{[1
]}

Sapia, Vincenzo ^{[1
]}

Smedile, Alessandra ^{[1
]}

Tarabusi, Gabriele ^{[1
]}

Vallone, Roberto ^{[1
]}

Venuti, Alessandra ^{[1
]}

机构：

[1] Ist Nazl Geofis & Vulcanol, Rome, Italy

来源：

JOURNAL OF MAPS | 2019年 / 15卷 / 02期

关键词：

Surface faulting; coseismic ruptures; geological prompt survey; earthquake; 2018; Mt; Etna volcano seismic sequence; southern Italy; PROBABILISTIC SEISMIC HAZARD; VOLCANO; FLANK; MAP;

D O I：

10.1080/17445647.2019.1683476

中图分类号：

P9 [自然地理学]; K9 [地理];

学科分类号：

0705 ; 070501 ;

摘要：

We present a 1:10,000 scale map of the coseismic surface ruptures following the 26 December 2018 Mw 4.9 earthquake that struck the eastern flank of Mt. Etna volcano (southern Italy). Detailed rupture mapping is based on extensive field surveys in the epicentral region. Despite the small size of the event, we were able to document surface faulting for about 8?km along the trace of the NNW-trending active Fiandaca Fault, belonging to the Timpe tectonic system in the eastern flank of the volcano. The mapped ruptures are characterized in most cases by perceivable opening and by a dominant right-oblique sense of slip, with an average slip of about 0.09?m and a peak value of 0.35?m. It is also noteworthy that the ruptures vary significantly in their kinematic expression, denoting locally high degree of complexity of the surface faulting.

引用

页码：831 / 837

页数：7

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