Seismological and SAR signature of unrest at Nisyros caldera, Greece
Identifieur interne : 000038 ( PascalFrancis/Corpus ); précédent : 000037; suivant : 000039Seismological and SAR signature of unrest at Nisyros caldera, Greece
Auteurs : M. Sachpazi ; Ch. Kontoes ; N. Voulgaris ; M. Laigle ; G. Vougioukalakis ; Olga Sikioti ; G. Stavrakakis ; J. Baskoutas ; J. Kalogeras ; J. Cl. LepineSource :
- Journal of volcanology and geothermal research [ 0377-0273 ] ; 2002.
Descripteurs français
- Pascal (Inist)
- Hellénides, Iles Egée Grèce, Sismologie, Arc volcanique, Télédétection spatiale, Radar antenne synthétique, Caldeira, Quaternaire, Activité, Explosion, Comportement, Volcan, Sismicité, Interférométrie, Déformation, Chambre magmatique, Perspective, Intrusion, ERS-2, Ile Nisyros, Hypocentre, Migration, Magma, Transport.
English descriptors
- KwdEn :
Abstract
Nisyros island, a Quaternary volcanic center located at the SE of the Aegean Volcanic Arc, has been in the past characterized by periods of intense seismic activity accompanied sometimes by hydrothermal explosions, the last one being in 1887. The recent long lasting episode of unrest (1995-1998) in the area is the first instrumentally documented providing information on the behavior of the volcano. Evidence from seismicity and SAR interferometry suggests that the presently active part of the Kos-Nisyros volcano-tectonic complex is located at the NW coast of Nisyros island defining an area much smaller than the whole volcano-tectonic area. Seismicity patterns vary both temporally and spatially consistently with different rates of vertical ground deformation inferred from SAR interferometry. These observations help us to discuss the different elements controlling the behavior of the volcanic system such as: the existence, location and timing of magma chamber inflation, the occurrence of tensile failure at the boundaries of the chamber and the possibility of magmatic fluids being expelled to form a shallow magmatic intrusion, the seismic failure and migration of hypocenters indicating shallow magma transport.
Notice en format standard (ISO 2709)
Pour connaître la documentation sur le format Inist Standard.
pA |
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Format Inist (serveur)
NO : | PASCAL 02-0464838 INIST |
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ET : | Seismological and SAR signature of unrest at Nisyros caldera, Greece |
AU : | SACHPAZI (M.); KONTOES (Ch.); VOULGARIS (N.); LAIGLE (M.); VOUGIOUKALAKIS (G.); SIKIOTI (Olga); STAVRAKAKIS (G.); BASKOUTAS (J.); KALOGERAS (J.); LEPINE (J. Cl.) |
AF : | National Observatory of Athens, Lofos Nymfon/Athens/Grèce (1 aut., 2 aut., 6 aut., 7 aut., 8 aut., 9 aut.); Department of Geology and Geothermy, Panepistimioupoli/Athens/Grèce (3 aut.); Laboratoire de Sismologie, Experimentale, Institut de Physique du Globe, 4 place Jussieu/75252 Paris/France (4 aut., 10 aut.); Institute of Geological and Mineral Exploration, Mesogion 70/Athens/Grèce (5 aut.) |
DT : | Publication en série; Papier de recherche; Niveau analytique |
SO : | Journal of volcanology and geothermal research; ISSN 0377-0273; Coden JVGRDQ; Pays-Bas; Da. 2002; Vol. 116; No. 1-2; Pp. 19-33; Bibl. 1 p.1/4 |
LA : | Anglais |
EA : | Nisyros island, a Quaternary volcanic center located at the SE of the Aegean Volcanic Arc, has been in the past characterized by periods of intense seismic activity accompanied sometimes by hydrothermal explosions, the last one being in 1887. The recent long lasting episode of unrest (1995-1998) in the area is the first instrumentally documented providing information on the behavior of the volcano. Evidence from seismicity and SAR interferometry suggests that the presently active part of the Kos-Nisyros volcano-tectonic complex is located at the NW coast of Nisyros island defining an area much smaller than the whole volcano-tectonic area. Seismicity patterns vary both temporally and spatially consistently with different rates of vertical ground deformation inferred from SAR interferometry. These observations help us to discuss the different elements controlling the behavior of the volcanic system such as: the existence, location and timing of magma chamber inflation, the occurrence of tensile failure at the boundaries of the chamber and the possibility of magmatic fluids being expelled to form a shallow magmatic intrusion, the seismic failure and migration of hypocenters indicating shallow magma transport. |
CC : | 222A01; 225B03; 001E01F01; 001E01M03 |
FD : | Hellénides; Iles Egée Grèce; Sismologie; Arc volcanique; Télédétection spatiale; Radar antenne synthétique; Caldeira; Quaternaire; Activité; Explosion; Comportement; Volcan; Sismicité; Interférométrie; Déformation; Chambre magmatique; Perspective; Intrusion; ERS-2; Ile Nisyros; Hypocentre; Migration; Magma; Transport |
FG : | Grèce; Europe Sud; Europe; Cénozoïque; Phanérozoïque |
ED : | Hellenides; Greek Aegean Islands; seismology; volcanic arcs; Space remote sensing; synthetic aperture radar; calderas; Quaternary; activity; explosions; behavior; volcanoes; seismicity; interferometry; deformation; magma chambers; possibilities; intrusions; hypocenter; migration; magmas; transport |
EG : | Greece; Southern Europe; Europe; Cenozoic; Phanerozoic |
SD : | Islas Egeas Griegas; Teledetección espacial; Caldera; Cuaternario; Actividad; Explosión; Volcán; Sismicidad; Interferometría; Cámara magmática; Perspectiva; Intrusión; Hipocentro; Migración; Magma; Transporte |
LO : | INIST-17236.354000104353950020 |
ID : | 02-0464838 |
Links to Exploration step
Pascal:02-0464838Le document en format XML
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<series><title level="j" type="main">Journal of volcanology and geothermal research</title>
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<term>Radar antenne synthétique</term>
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<term>Quaternaire</term>
<term>Activité</term>
<term>Explosion</term>
<term>Comportement</term>
<term>Volcan</term>
<term>Sismicité</term>
<term>Interférométrie</term>
<term>Déformation</term>
<term>Chambre magmatique</term>
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<term>Intrusion</term>
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<front><div type="abstract" xml:lang="en">Nisyros island, a Quaternary volcanic center located at the SE of the Aegean Volcanic Arc, has been in the past characterized by periods of intense seismic activity accompanied sometimes by hydrothermal explosions, the last one being in 1887. The recent long lasting episode of unrest (1995-1998) in the area is the first instrumentally documented providing information on the behavior of the volcano. Evidence from seismicity and SAR interferometry suggests that the presently active part of the Kos-Nisyros volcano-tectonic complex is located at the NW coast of Nisyros island defining an area much smaller than the whole volcano-tectonic area. Seismicity patterns vary both temporally and spatially consistently with different rates of vertical ground deformation inferred from SAR interferometry. These observations help us to discuss the different elements controlling the behavior of the volcanic system such as: the existence, location and timing of magma chamber inflation, the occurrence of tensile failure at the boundaries of the chamber and the possibility of magmatic fluids being expelled to form a shallow magmatic intrusion, the seismic failure and migration of hypocenters indicating shallow magma transport.</div>
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<fA66 i1="01"><s0>NLD</s0>
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<fC01 i1="01" l="ENG"><s0>Nisyros island, a Quaternary volcanic center located at the SE of the Aegean Volcanic Arc, has been in the past characterized by periods of intense seismic activity accompanied sometimes by hydrothermal explosions, the last one being in 1887. The recent long lasting episode of unrest (1995-1998) in the area is the first instrumentally documented providing information on the behavior of the volcano. Evidence from seismicity and SAR interferometry suggests that the presently active part of the Kos-Nisyros volcano-tectonic complex is located at the NW coast of Nisyros island defining an area much smaller than the whole volcano-tectonic area. Seismicity patterns vary both temporally and spatially consistently with different rates of vertical ground deformation inferred from SAR interferometry. These observations help us to discuss the different elements controlling the behavior of the volcanic system such as: the existence, location and timing of magma chamber inflation, the occurrence of tensile failure at the boundaries of the chamber and the possibility of magmatic fluids being expelled to form a shallow magmatic intrusion, the seismic failure and migration of hypocenters indicating shallow magma transport.</s0>
</fC01>
<fC02 i1="01" i2="2"><s0>222A01</s0>
</fC02>
<fC02 i1="02" i2="2"><s0>225B03</s0>
</fC02>
<fC02 i1="03" i2="X"><s0>001E01F01</s0>
</fC02>
<fC02 i1="04" i2="X"><s0>001E01M03</s0>
</fC02>
<fC03 i1="01" i2="2" l="FRE"><s0>Hellénides</s0>
<s2>NG</s2>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="2" l="ENG"><s0>Hellenides</s0>
<s2>NG</s2>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="2" l="FRE"><s0>Iles Egée Grèce</s0>
<s2>NG</s2>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="2" l="ENG"><s0>Greek Aegean Islands</s0>
<s2>NG</s2>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="2" l="SPA"><s0>Islas Egeas Griegas</s0>
<s2>NG</s2>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="2" l="FRE"><s0>Sismologie</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="2" l="ENG"><s0>seismology</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="2" l="FRE"><s0>Arc volcanique</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="2" l="ENG"><s0>volcanic arcs</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="2" l="FRE"><s0>Télédétection spatiale</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="2" l="ENG"><s0>Space remote sensing</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="2" l="SPA"><s0>Teledetección espacial</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="2" l="FRE"><s0>Radar antenne synthétique</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="2" l="ENG"><s0>synthetic aperture radar</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="2" l="FRE"><s0>Caldeira</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="2" l="ENG"><s0>calderas</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="2" l="SPA"><s0>Caldera</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="2" l="FRE"><s0>Quaternaire</s0>
<s2>NX</s2>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="2" l="ENG"><s0>Quaternary</s0>
<s2>NX</s2>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="2" l="SPA"><s0>Cuaternario</s0>
<s2>NX</s2>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="2" l="FRE"><s0>Activité</s0>
<s5>11</s5>
</fC03>
<fC03 i1="09" i2="2" l="ENG"><s0>activity</s0>
<s5>11</s5>
</fC03>
<fC03 i1="09" i2="2" l="SPA"><s0>Actividad</s0>
<s5>11</s5>
</fC03>
<fC03 i1="10" i2="2" l="FRE"><s0>Explosion</s0>
<s5>12</s5>
</fC03>
<fC03 i1="10" i2="2" l="ENG"><s0>explosions</s0>
<s5>12</s5>
</fC03>
<fC03 i1="10" i2="2" l="SPA"><s0>Explosión</s0>
<s5>12</s5>
</fC03>
<fC03 i1="11" i2="2" l="FRE"><s0>Comportement</s0>
<s5>13</s5>
</fC03>
<fC03 i1="11" i2="2" l="ENG"><s0>behavior</s0>
<s5>13</s5>
</fC03>
<fC03 i1="12" i2="2" l="FRE"><s0>Volcan</s0>
<s5>14</s5>
</fC03>
<fC03 i1="12" i2="2" l="ENG"><s0>volcanoes</s0>
<s5>14</s5>
</fC03>
<fC03 i1="12" i2="2" l="SPA"><s0>Volcán</s0>
<s5>14</s5>
</fC03>
<fC03 i1="13" i2="2" l="FRE"><s0>Sismicité</s0>
<s5>15</s5>
</fC03>
<fC03 i1="13" i2="2" l="ENG"><s0>seismicity</s0>
<s5>15</s5>
</fC03>
<fC03 i1="13" i2="2" l="SPA"><s0>Sismicidad</s0>
<s5>15</s5>
</fC03>
<fC03 i1="14" i2="2" l="FRE"><s0>Interférométrie</s0>
<s5>16</s5>
</fC03>
<fC03 i1="14" i2="2" l="ENG"><s0>interferometry</s0>
<s5>16</s5>
</fC03>
<fC03 i1="14" i2="2" l="SPA"><s0>Interferometría</s0>
<s5>16</s5>
</fC03>
<fC03 i1="15" i2="2" l="FRE"><s0>Déformation</s0>
<s5>19</s5>
</fC03>
<fC03 i1="15" i2="2" l="ENG"><s0>deformation</s0>
<s5>19</s5>
</fC03>
<fC03 i1="16" i2="2" l="FRE"><s0>Chambre magmatique</s0>
<s5>22</s5>
</fC03>
<fC03 i1="16" i2="2" l="ENG"><s0>magma chambers</s0>
<s5>22</s5>
</fC03>
<fC03 i1="16" i2="2" l="SPA"><s0>Cámara magmática</s0>
<s5>22</s5>
</fC03>
<fC03 i1="17" i2="2" l="FRE"><s0>Perspective</s0>
<s5>24</s5>
</fC03>
<fC03 i1="17" i2="2" l="ENG"><s0>possibilities</s0>
<s5>24</s5>
</fC03>
<fC03 i1="17" i2="2" l="SPA"><s0>Perspectiva</s0>
<s5>24</s5>
</fC03>
<fC03 i1="18" i2="2" l="FRE"><s0>Intrusion</s0>
<s5>25</s5>
</fC03>
<fC03 i1="18" i2="2" l="ENG"><s0>intrusions</s0>
<s5>25</s5>
</fC03>
<fC03 i1="18" i2="2" l="SPA"><s0>Intrusión</s0>
<s5>25</s5>
</fC03>
<fC03 i1="19" i2="2" l="FRE"><s0>ERS-2</s0>
<s4>INC</s4>
<s5>53</s5>
</fC03>
<fC03 i1="20" i2="2" l="FRE"><s0>Ile Nisyros</s0>
<s4>INC</s4>
<s5>55</s5>
</fC03>
<fC03 i1="21" i2="2" l="FRE"><s0>Hypocentre</s0>
<s5>61</s5>
</fC03>
<fC03 i1="21" i2="2" l="ENG"><s0>hypocenter</s0>
<s5>61</s5>
</fC03>
<fC03 i1="21" i2="2" l="SPA"><s0>Hipocentro</s0>
<s5>61</s5>
</fC03>
<fC03 i1="22" i2="2" l="FRE"><s0>Migration</s0>
<s5>62</s5>
</fC03>
<fC03 i1="22" i2="2" l="ENG"><s0>migration</s0>
<s5>62</s5>
</fC03>
<fC03 i1="22" i2="2" l="SPA"><s0>Migración</s0>
<s5>62</s5>
</fC03>
<fC03 i1="23" i2="2" l="FRE"><s0>Magma</s0>
<s5>63</s5>
</fC03>
<fC03 i1="23" i2="2" l="ENG"><s0>magmas</s0>
<s5>63</s5>
</fC03>
<fC03 i1="23" i2="2" l="SPA"><s0>Magma</s0>
<s5>63</s5>
</fC03>
<fC03 i1="24" i2="2" l="FRE"><s0>Transport</s0>
<s5>64</s5>
</fC03>
<fC03 i1="24" i2="2" l="ENG"><s0>transport</s0>
<s5>64</s5>
</fC03>
<fC03 i1="24" i2="2" l="SPA"><s0>Transporte</s0>
<s5>64</s5>
</fC03>
<fC06><s0>ILS</s0>
<s0>TA</s0>
</fC06>
<fC07 i1="01" i2="2" l="FRE"><s0>Grèce</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="01" i2="2" l="ENG"><s0>Greece</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="01" i2="2" l="SPA"><s0>Grecia</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="02" i2="2" l="FRE"><s0>Europe Sud</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="02" i2="2" l="ENG"><s0>Southern Europe</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="02" i2="2" l="SPA"><s0>Europa Sur</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="03" i2="2" l="FRE"><s0>Europe</s0>
</fC07>
<fC07 i1="03" i2="2" l="ENG"><s0>Europe</s0>
</fC07>
<fC07 i1="03" i2="2" l="SPA"><s0>Europa</s0>
</fC07>
<fC07 i1="04" i2="2" l="FRE"><s0>Cénozoïque</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="04" i2="2" l="ENG"><s0>Cenozoic</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="04" i2="2" l="SPA"><s0>Cenozoico</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="05" i2="2" l="FRE"><s0>Phanérozoïque</s0>
</fC07>
<fC07 i1="05" i2="2" l="ENG"><s0>Phanerozoic</s0>
</fC07>
<fC07 i1="05" i2="2" l="SPA"><s0>Fanerozoico</s0>
</fC07>
<fN21><s1>273</s1>
</fN21>
<fN82><s1>PSI</s1>
</fN82>
</pA>
</standard>
<server><NO>PASCAL 02-0464838 INIST</NO>
<ET>Seismological and SAR signature of unrest at Nisyros caldera, Greece</ET>
<AU>SACHPAZI (M.); KONTOES (Ch.); VOULGARIS (N.); LAIGLE (M.); VOUGIOUKALAKIS (G.); SIKIOTI (Olga); STAVRAKAKIS (G.); BASKOUTAS (J.); KALOGERAS (J.); LEPINE (J. Cl.)</AU>
<AF>National Observatory of Athens, Lofos Nymfon/Athens/Grèce (1 aut., 2 aut., 6 aut., 7 aut., 8 aut., 9 aut.); Department of Geology and Geothermy, Panepistimioupoli/Athens/Grèce (3 aut.); Laboratoire de Sismologie, Experimentale, Institut de Physique du Globe, 4 place Jussieu/75252 Paris/France (4 aut., 10 aut.); Institute of Geological and Mineral Exploration, Mesogion 70/Athens/Grèce (5 aut.)</AF>
<DT>Publication en série; Papier de recherche; Niveau analytique</DT>
<SO>Journal of volcanology and geothermal research; ISSN 0377-0273; Coden JVGRDQ; Pays-Bas; Da. 2002; Vol. 116; No. 1-2; Pp. 19-33; Bibl. 1 p.1/4</SO>
<LA>Anglais</LA>
<EA>Nisyros island, a Quaternary volcanic center located at the SE of the Aegean Volcanic Arc, has been in the past characterized by periods of intense seismic activity accompanied sometimes by hydrothermal explosions, the last one being in 1887. The recent long lasting episode of unrest (1995-1998) in the area is the first instrumentally documented providing information on the behavior of the volcano. Evidence from seismicity and SAR interferometry suggests that the presently active part of the Kos-Nisyros volcano-tectonic complex is located at the NW coast of Nisyros island defining an area much smaller than the whole volcano-tectonic area. Seismicity patterns vary both temporally and spatially consistently with different rates of vertical ground deformation inferred from SAR interferometry. These observations help us to discuss the different elements controlling the behavior of the volcanic system such as: the existence, location and timing of magma chamber inflation, the occurrence of tensile failure at the boundaries of the chamber and the possibility of magmatic fluids being expelled to form a shallow magmatic intrusion, the seismic failure and migration of hypocenters indicating shallow magma transport.</EA>
<CC>222A01; 225B03; 001E01F01; 001E01M03</CC>
<FD>Hellénides; Iles Egée Grèce; Sismologie; Arc volcanique; Télédétection spatiale; Radar antenne synthétique; Caldeira; Quaternaire; Activité; Explosion; Comportement; Volcan; Sismicité; Interférométrie; Déformation; Chambre magmatique; Perspective; Intrusion; ERS-2; Ile Nisyros; Hypocentre; Migration; Magma; Transport</FD>
<FG>Grèce; Europe Sud; Europe; Cénozoïque; Phanérozoïque</FG>
<ED>Hellenides; Greek Aegean Islands; seismology; volcanic arcs; Space remote sensing; synthetic aperture radar; calderas; Quaternary; activity; explosions; behavior; volcanoes; seismicity; interferometry; deformation; magma chambers; possibilities; intrusions; hypocenter; migration; magmas; transport</ED>
<EG>Greece; Southern Europe; Europe; Cenozoic; Phanerozoic</EG>
<SD>Islas Egeas Griegas; Teledetección espacial; Caldera; Cuaternario; Actividad; Explosión; Volcán; Sismicidad; Interferometría; Cámara magmática; Perspectiva; Intrusión; Hipocentro; Migración; Magma; Transporte</SD>
<LO>INIST-17236.354000104353950020</LO>
<ID>02-0464838</ID>
</server>
</inist>
</record>
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