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岛屿巨石揭示古代巨大海啸（图）
地球物理 岛屿巨石
2015/10/12
地球物理学家发现，当佛得角一座火山的东侧在7.3万年前溅落到海里时，它在撞上附近的岛屿前产生了170米高的巨浪。这一巨大海啸是地质记录中规模最大的海啸之一。相关成果日前发表于《科学进展》杂志。
6600万年前巨大小行星撞击触发强烈的火山活动进一步加重物种灭绝（图）
行星 火山
2015/10/8
据EurekAlert!：尽管人们的普遍共识是6600万年前一颗巨大的小行星与地球的相撞促成了接踵而至的物种大灭绝（其中包括恐龙），但新的证据显示，这一撞击触发了更强烈的火山活动，从而进一步加重了物种灭绝。
Months of warning signs from Mauna Loa, on Hawaii’s Big Island, prompted the U.S. Geological Survey to recently start releasing weekly updates on activity at the world’s largest active volca...
Stress tensor computations at Mount St. Helens (1995-1998)
Mount St. Helens (USA) fault-plane solutions inversion stress field
2015/9/29
Fault plane solutions of 459 events occurring between 1995 and 1998 at Mount St. Helens (State of Washington, Northwest U.S.A.) were considered in order to infer the state of stress beneath the volcan...
An integrated magnetotelluric study of the Mt. Etna volcanic structure
Magnetotellurics Mt. Etna Volcanic structure feeding system
2015/9/28
he results of a magnetotelluric (MT) survey performed at Mt. Etna (Sicily, Italy) are presented and discussed.
The MT interpretation is preceded by the description of the data managing strategy used ...
New magnetotelluric soundings in the Mt. Somma-Vesuvius volcanic complex: preliminary results
Magnetotellurics volcanology crustal explorations Mt. Somma-Vesuvius
2015/9/28
During 1997 ten magnetotelluric (MT) soundings were recorded in single-site mode above the Mt. Somma-Vesuvius volcanic area. A first campaign of MT measurements was carried out, during spring, by the ...
Application of electric and electromagnetic methods to the definition of the Campi Flegrei caldera (Italy)
applied geophysics electric and electromagnetic methods campi flegrei caldera
2015/9/28
The results of an analysis of Dipolar Geoelectrical (DG), Magnetotelluric (MT) and Self-Potential (SP) data
collected over the emerged portion of the Campi Flegrei (CF) caldera (South Italy) are pres...
Temperature distribution analysis of July 2001 Mt. Etna eruption observed by the airborne hyperspectral sensor MIVIS
remote-sensing volcano monitoring thermal infrared dual-band technique
2015/9/17
On 17th and 18th July 2001, several fractures opened on Mt. Etna southern flank generating different lava flows
spreading both in Valle del Bove and towards Nicolosi. On 29th July the image spectrome...
Radon, water chemistry and pollution check by volatile organic compounds in springs around Popocatepetl volcano, Mexic
soil radon water chemistry volcanic activity
2015/9/10
Popocatepetl volcano is a high-risk active volcano in Central Mexico where the highest population density in the country
is settled. Radon in the soil and groundwater together with water chemistry fr...
Water chemistry and soil radon survey at the Poas volcano (Costa Rica)
Poas volcano geochemistry radon precursor
2015/9/10
Radon-in-soil monitoring at the Poas volcano (Costa Rica) has been performed together with water chemistry
from the hot crater lake since 1981 and 1983 respectively. The results are discussed as a fu...
Intrinsic Qp at Mt. Etna from the inversion of rise times of 2002 microearthquake sequence
intrinsic quality factor stress drop rise time corrected Akaike information criterion
2015/9/8
About three-hundred microearthquakes, preceeding and accompanying the 2002-2003 Mt. Etna flank eruption,
were considered in this study. On the high-quality velocity seismograms, measurements of the f...
The dark side of the Albano crater lake
Alban Hills volcano Albano Lake multibeam bathymetry
2015/9/8
The Albano Lake is the deepest volcanic lake among the volcanoes located in the Italian peninsula.
It belongs to the Colli Albani volcanic complex whose last largest eruptions are dated back to about...
Finite element modeling of ground deformation and gravity field at Mt. Etna
numerical modeling gravity anomaly
2015/9/1
An elastic 3-D axi-symmetric model based on Finite Element Method (FEM) is proposed to compute ground deformation
and gravity changes caused by overpressure sources in volcanic areas. The numerical c...
The new IMGC-02 transportable absolute gravimeter: measurement apparatus and applications in geophysics and volcanology
gravity absolute gravimeter measurements geophysics volcanology
2015/9/1
The research carried out at the Istituto Nazionale di Ricerca Metrologica (formerly Istituto di Metrologia «G.
Colonnetti») aiming to develop a transportable ballistic absolute gravimeter e...