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dc.contributor.authorallEvison, F.; Institute of Geophysics, Victoria University of Wellington, Wellington, New Zealanden
dc.contributor.authorallRhoades, D.; Institute of Geological and Nuclear Sciences, Lower Hutt, New Zealanden
dc.description.abstractThe Hellenic subduction region displays the same precursory swarm phenomenon as has been found in comparable regions of New Zealand and Japan. In the earthquake catalogue of the Aristotle University of Thessaloniki, 10 past sequences of precursory swarms and related major mainshock events have been identified. These correlate, in respect of location, magnitude and time, with the 9 sequences previously identified in New Zealand, and 9 in Japan, bringing the total of sequences to 28, and the totals of related events (allowing for clustering) to 56 precursory swarms and 42 mainshock events. The results add strength to the hypothesis that swarms are long-range predictors of mainshock events. A close similarity between the swarm and aftershock magnitudes in a given sequence is also confirmed in Greece, supporting the proposal that swarms are an integral part of the seismogenic process in subduction regions. Further, the modelling of swarms as part of an overall increase in seismicity, the onset of which marks the onset of seismogenesis, is well illustrated from past sequences in Greece. Formal tests are being carried out in Greece, in parallel with New Zealand and Japan, to ascertain the performance of the hypothesis as a basis for long-range synoptic forecasting.en
dc.format.extent6664521 bytesen
dc.relation.ispartofseries5/43 (2000)en
dc.subjectprecursors swarmen
dc.subjectearthquake predictionen
dc.subjectHellenic arcen
dc.titleThe precursory earthquake swarm in Greeceen
dc.subject.INGV04. Solid Earth::04.06. Seismology::04.06.03. Earthquake source and dynamicsen
dc.subject.INGV05. General::05.02. Data dissemination::05.02.02. Seismological dataen
dc.description.journalTypeJCR Journalen
dc.contributor.authorEvison, F.en
dc.contributor.authorRhoades, D.en
dc.contributor.departmentInstitute of Geophysics, Victoria University of Wellington, Wellington, New Zealanden
dc.contributor.departmentInstitute of Geological and Nuclear Sciences, Lower Hutt, New Zealanden
item.fulltextWith Fulltext-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent05. General- of Geophysics, School of Earth Sciences, Victoria University of Wellington, Wellington, New Zealand.- of Geological and Nuclear Sciences, Lower Hutt, New Zealand-
Appears in Collections:Annals of Geophysics
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