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Dergiler / Bitlis Eren University Journal of Science and Technology / 2015 / Cilt: 5 - Sayı: 1

Precursory Anomaly in VLF/LF Recordings Prior to the Çaglayan (Erzincan-Turkey) Earthquake on July 30th, 2009

Aydın BÜYÜKSARAÇ
Ali PINAR
Sinan KOŞAROĞLU
Sayfa
18–23
Yayın Tarihi
2015-06-07
DOI
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

The radio anomaly that appeared 7 days before the occurrence of the 2009 Caglayan (Erzincan) earthquake is in good agreement with other results indicating precursory anomalies in the project network mostly observed in seismically active countries such as Italy and Greece.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:An international project network consisting of six receivers for sampling LF and VLF radio signals has been going on to record the data in Europe from different transmission stations around the World.
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Temel Bulgular & Veri:The receiver works in VLF and LF bands monitoring ten frequencies (16.4, 21.75, 37.5, 45.9, 153, 180, 183, 216 and 270 kHz) with one minute sampling interval.An earthquake of Mw = 4.9 took place 225 km away from the VLF/LF station at the eastern tip of the Erzincan basin at 4 km depth on July 30, 2009.
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Sonuç & Katkı:The radio anomaly that appeared 7 days before the occurrence of the 2009 Caglayan (Erzincan) earthquake is in good agreement with other results indicating precursory anomalies in the project network mostly observed in seismically active countries such as Italy and Greece.
🔬Tür:Araştırma Makalesi
📍Kapsam:2009 Verileri
⚙️Değişkenler:Earthquake precursors · VLF/LF · Erzincan

Abstract

An international project network consisting of six receivers for sampling LF and VLF radio signals has been going on to record the data in Europe from different transmission stations around the World. One of them was established in Resadiye, Turkey, located just on the North Anatolian Fault Zone. The receiver works in VLF and LF bands monitoring ten frequencies (16.4, 21.75, 37.5, 45.9, 153, 180, 183, 216 and 270 kHz) with one minute sampling interval.An earthquake of Mw = 4.9 took place 225 km away from the VLF/LF station at the eastern tip of the Erzincan basin at 4 km depth on July 30, 2009. We observed some anomalies on the radio signals (37.5 and 153 kHz) that initiated about 7 days before the earthquake and disappeared soon after the earthquake. We attribute this anomaly to the Mw=4.9 earthquake as a seismo-electromagnetic precursor. The radio anomaly that appeared 7 days before the occurrence of the 2009 Caglayan (Erzincan) earthquake is in good agreement with other results indicating precursory anomalies in the project network mostly observed in seismically active countries such as Italy and Greece.

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Bu Makaleye Atıf Yap

BÜYÜKSARAÇ, A., PINAR, A., KOŞAROĞLU, S. (2015). Precursory Anomaly in VLF/LF Recordings Prior to the Çaglayan (Erzincan-Turkey) Earthquake on July 30th, 2009. Bitlis Eren University Journal of Science and Technology, Cilt: 5 - Sayı: 1, 18–23. https://ajindex.com/articles/743838

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Kaynakça (11)

  1. Ambeh WB, Fairhead JD (1991). Spectral characteristics and source parameters of micro earthquakes from the Mt Cameroon volcanic region, West Africa. Geophys. J. Int. 106, 229–237.
  2. Bella F, Biagi PF, Caputo M, Cozzi E, Della Monica G, Ermini A, Plastino W, Sgrigna V (1998). Field strength variations of LF radio waves prior to earthquakes in Central Italy. Phys. Earth Planet. Int. 105, 279–286.
  3. Biagi PF, Piccolo R, Ermini A, Martellucci S, Bellecci C, Hayakawa M, Capozzi V, Kingsley SP (2001). Possible earthquake precursors revealed by LF radio signals. Nat. Hazards Earth Syst. Sci. 1, 9-14.
  4. Biagi PF, Castellana L, Maggipinto T, Loiacono D, Schiavulli L, Ligonzo T, Fiore M, Suciu E, Ermini A (2010). A pre seismic radio anomaly revealed in the area where the Abruzzo earthquake (M=6.3) occurred on 6 April 2009. Nat. Hazards Earth Syst. Sci. 10, 215–216.
  5. Biagi PF, Maggipinto T, Righetti F, Loiacono D, Schiavulli L, Ligonzo T, Ermini A, Moldovan IA, Moldovan AS, Buyuksarac A, Silva HG, Bezzeghoud M, Contadakis ME (2011). The European VLF/LF radio network to search for earthquake precursors: setting up and natural/man-made disturbances. Nat. Hazards Earth Syst. Sci. 11, 333–341.
  6. Brune JN (1970). Tectonic stress and the spectra of seismic shear waves from earthquakes. J. Geophy. Res. 75, 4997–5010.
  7. Chen YI, Liu JY, Tsai YB, Chen CS (2004). Statistical tests for pre-earthquake ionospheric anomaly. Terr. Atm. Ocean Sci. 15, –396. Gokhberg MB, Gufeld IL, Rozhnoy AA, Marenko VF, Yampolsky VS, Ponomarev EA (1989). Study of the seismic influence on the ionosphere by super long-wave probing of the Earth-ionosphere waveguide. Phys. Earth Planet. Inter. 57, 4–67
  8. Hanks TC, Wyss M (1972). The use of body wave spectra in the determination of seismic source parameters. Bull. Seism. Soc. Am. 62, 561-589.
  9. Hayakawa M, Sato H (1994). Ionospheric perturbations associated with earthquakes, as detected by subionospheric VLF propagation, in: Electromagnetic Phenomena Related to Earthquake Prediction, (Eds) Hayakawa, M. and Fujinawa, Y., Terrapub, Tokyo, 391–397.
  10. Hayakawa M, Molchanov OA, Ondoh T, Kawai E (1996). Anomalies in the subionospheric VLF signals for the 1995 Hyogo- ken earthquake. J. Phys. Earth 44, 413–418.
  11. Hayakawa M (2007). VLF/LF Radio Sounding of Ionospheric Perturbations Associated with Earthquakes. Sensors 7, 1141- - Kuge K (2003). Source modeling using strong-motion waveforms: Toward automated determination of earthquake fault planes and moment-release distributions.