Evaluation of ULF electromagnetic phenomena associated with the 2000 Izu Islands earthquake swarm by wavelet transform analysis
There have been many reports on ULF electromagnetic phenomena associated with the 2000 Izu Islands earthquake swarm. In this study, seismo-magnetic anomalies are presented by examining energy variations of signatures at the periods around 100 s. Geomagnetic data observed at three stations in Izu Pen...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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Copernicus Publications
2011-03-01
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| Series: | Natural Hazards and Earth System Sciences |
| Online Access: | http://www.nat-hazards-earth-syst-sci.net/11/965/2011/nhess-11-965-2011.pdf |
| _version_ | 1818546535096385536 |
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| author | P. Han K. Hattori Q. Huang T. Hirano Y. Ishiguro C. Yoshino F. Febriani |
| author_facet | P. Han K. Hattori Q. Huang T. Hirano Y. Ishiguro C. Yoshino F. Febriani |
| author_sort | P. Han |
| collection | DOAJ |
| description | There have been many reports on ULF electromagnetic phenomena associated with the 2000 Izu Islands earthquake swarm. In this study, seismo-magnetic anomalies are presented by examining energy variations of signatures at the periods around 100 s. Geomagnetic data observed at three stations in Izu Peninsula from 1 January 2000 to 30 April 2001 have been analyzed and wavelet transform has been performed. In order to indentify anomalous changes from ionosphere disturbances, Kakioka station has been chosen as a reference station, and the similar data analysis has been performed. The results suggest that the unusual energy enhancement of the Z component, which only appears in Izu Peninsula from late June until early November 2000, might possibly be one of electromagnetic phenomena associated with the 2000 Izu Islands earthquake swarm. |
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| id | doaj.art-9ddfdd348fac45f49457deabc3e87f3a |
| institution | Directory Open Access Journal |
| issn | 1561-8633 1684-9981 |
| language | English |
| last_indexed | 2024-12-12T07:54:30Z |
| publishDate | 2011-03-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Natural Hazards and Earth System Sciences |
| spelling | doaj.art-9ddfdd348fac45f49457deabc3e87f3a2022-12-22T00:32:22ZengCopernicus PublicationsNatural Hazards and Earth System Sciences1561-86331684-99812011-03-0111396597010.5194/nhess-11-965-2011Evaluation of ULF electromagnetic phenomena associated with the 2000 Izu Islands earthquake swarm by wavelet transform analysisP. HanK. HattoriQ. HuangT. HiranoY. IshiguroC. YoshinoF. FebrianiThere have been many reports on ULF electromagnetic phenomena associated with the 2000 Izu Islands earthquake swarm. In this study, seismo-magnetic anomalies are presented by examining energy variations of signatures at the periods around 100 s. Geomagnetic data observed at three stations in Izu Peninsula from 1 January 2000 to 30 April 2001 have been analyzed and wavelet transform has been performed. In order to indentify anomalous changes from ionosphere disturbances, Kakioka station has been chosen as a reference station, and the similar data analysis has been performed. The results suggest that the unusual energy enhancement of the Z component, which only appears in Izu Peninsula from late June until early November 2000, might possibly be one of electromagnetic phenomena associated with the 2000 Izu Islands earthquake swarm.http://www.nat-hazards-earth-syst-sci.net/11/965/2011/nhess-11-965-2011.pdf |
| spellingShingle | P. Han K. Hattori Q. Huang T. Hirano Y. Ishiguro C. Yoshino F. Febriani Evaluation of ULF electromagnetic phenomena associated with the 2000 Izu Islands earthquake swarm by wavelet transform analysis Natural Hazards and Earth System Sciences |
| title | Evaluation of ULF electromagnetic phenomena associated with the 2000 Izu Islands earthquake swarm by wavelet transform analysis |
| title_full | Evaluation of ULF electromagnetic phenomena associated with the 2000 Izu Islands earthquake swarm by wavelet transform analysis |
| title_fullStr | Evaluation of ULF electromagnetic phenomena associated with the 2000 Izu Islands earthquake swarm by wavelet transform analysis |
| title_full_unstemmed | Evaluation of ULF electromagnetic phenomena associated with the 2000 Izu Islands earthquake swarm by wavelet transform analysis |
| title_short | Evaluation of ULF electromagnetic phenomena associated with the 2000 Izu Islands earthquake swarm by wavelet transform analysis |
| title_sort | evaluation of ulf electromagnetic phenomena associated with the 2000 izu islands earthquake swarm by wavelet transform analysis |
| url | http://www.nat-hazards-earth-syst-sci.net/11/965/2011/nhess-11-965-2011.pdf |
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