Detecting Volcano-Related Underground Mass Changes With a Quantum Gravimeter

被引：36

作者：

Antoni-Micollier, Laura ^{[1
]}

Carbone, Daniele ^{[2
]}

Menoret, Vincent ^{[1
]}

Lautier-Gaud, Jean ^{[1
]}

King, Thomas ^{[2
]}

Greco, Filippo ^{[2
]}

Messina, Alfio ^{[2
]}

Contrafatto, Danilo ^{[2
]}

Desruelle, Bruno ^{[1
]}

机构：

[1] Inst Opt Aquitaine, iXblue, Talence, France

[2] Ist Nazl Geofis & Vulcanol, Sez Catania, Osservatorio Etneo, Catania, Italy

来源：

GEOPHYSICAL RESEARCH LETTERS | 2022年 / 49卷 / 13期

基金：

欧盟地平线“2020”;

关键词：

absolute quantum gravimeter; volcano gravimetry; volcano-related time gravity changes; Mt; Etna; ETNA VOLCANO; ABSOLUTE; FIELD;

D O I：

10.1029/2022GL097814

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We present the world's first time series acquired in the summit area of an active volcano with an absolute atom interferometry gravimeter. The device was installed similar to 2.5 km from the active craters of Mt. Etna volcano and produced a continuous high-quality gravity time series, despite the unfavorable environmental conditions at the installation site and the occurrence of phases of high volcanic tremor during the acquisition interval. Comparison with data from superconducting gravimeters installed elsewhere on Mt. Etna highlights correlated anomalies, demonstrating that the quantum device measured gravity variations driven by bulk mass changes. The latter are reflective of volcanic processes, involving the dynamics of magma and exsolved gas in the upper part of Mt. Etna's plumbing system. Our results confirm the operational possibilities of quantum gravimetry and open new horizons for the application of the gravity method in geophysics.

引用

页数：9

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