The shallow structure beneath Montserrat (West Indies) from new Bouguer gravity data
نویسندگان
چکیده
منابع مشابه
Shallow structure beneath the Central Volcanic Complex of Tenerife from new gravity data: Implications for its evolution and recent reactivation
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 We present a new local Bouguer anomaly map of the Central Volcanic Complex (CVC) of Tenerife, Spain, constructed from the amalgamation of 323 new high precision gravity measurements with existing gravity data from 361 observations. The new anomaly map images the high-density core of the CVC and the pronounced gravity low...
متن کاملThe aftermath of a disaster. Recovery following the volcanic eruptions in Montserrat, West Indies.
The people of Montserrat have experienced serious volcanic eruptions since the middle of 1995. These resulted in the evacuation of the capital town Plymouth in 1997. An exclusion zone was declared and two-thirds of the original population of 10,324 migrated abroad. The remainder was left to initiate the recovery process. This paper reviews the action taken to maintain and then restore the healt...
متن کاملVolcanic ash and respiratory symptoms in children on the island of Montserrat, British West Indies.
BACKGROUND In July 1995 the volcano on the West Indian island of Montserrat erupted after being inactive for several hundred years. Since then, clouds of ash have been released intermittently from the volcano. Some of this ash is <10 micro m in diameter and therefore respirable. Concerns were raised that the particles might cause respiratory problems. AIMS To evaluate whether ashfalls had any...
متن کاملAssessment of the exposure of islanders to ash from the Soufriere Hills volcano, Montserrat, British West Indies.
BACKGROUND AND AIMS The Soufriere Hills volcano, Montserrat, has been erupting since July 1995 and volcanic ash has fallen on the island throughout most of the eruption. The ash contains substantial quantities of respirable particles and unusually large amounts (15-20%) of the crystalline silica mineral, cristobalite. The purpose of the surveys described here, undertaken between December 1996 a...
متن کاملMagma flow instability and cyclic activity at soufriere hills volcano, montserrat, british west indies
Dome growth at the Soufriere Hills volcano (1996 to 1998) was frequently accompanied by repetitive cycles of earthquakes, ground deformation, degassing, and explosive eruptions. The cycles reflected unsteady conduit flow of volatile-charged magma resulting from gas exsolution, rheological stiffening, and pressurization. The cycles, over hours to days, initiated when degassed stiff magma retarde...
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ژورنال
عنوان ژورنال: Geophysical Research Letters
سال: 2013
ISSN: 0094-8276,1944-8007
DOI: 10.1002/grl.51003