Satellite thermal survey—a new tool for the study of seismoactive regions

Тронин, А. А.

doi:10.1080/01431169608948716

Cited by 180 publications

(117 citation statements)

References 5 publications

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“…NCEP-FNL data shows a maximum temperature difference of 7 ºC in the epicenter grid. Compared with the 4-5 ºC temperature difference background, the increase caused by the earthquakes is around 2-3 ºC, which is similar to the value reported by Tronin (1996) and Saraf and Choudhury (2004). The NCEP data anomaly also corresponds well to the epicenter location, and this could provide a method to estimate the future epicenter.…”

Section: Discussionsupporting

confidence: 83%

Preliminary analysis of thermal anomalies before the 2010 Baja California M7.2 earthquake

Jie¹,

Guo²

2013

Atmósfera

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Este trabajo presenta un análisis preliminar de las anomalía térmicas observadas antes del terremoto de magnitud 7.2 ocurrido el 4 de abril de 2010 en Baja California. Los resultados muestran que la temperatura superficial del aire en la estación de Mexicali (la más cercana al epicentro) alcanza un valor máximo el 30 de marzo (que también es el máximo registrado entre el 1 de enero y el 4 de abril de 2010). Las estaciones meteorológicas lejanas al epicentro (distantes 100 km de éste) no muestran otra anomalía. En particular, los datos de temperatura del aire del Análisis Final de los Centros Nacionales de Predicción Ambiental (NCEP-FNA, por sus siglas en inglés) muestran un cambio máximo de temperatura entre el 30 y 31 de marzo en el punto de malla del epicentro, en tanto que los otros 7199 puntos de malla muestran cambios medianos a bajos. La temperatura de la brillantez medida por el radiómetro avanzado de barrido por microondas, acoplado al sistema de observación de la Tierra del satélite Aqua (AMSR-E, por sus siglas en inglés) también muestra un incremento el 31 de marzo. Los resultados del análisis térmico multiparamétrico cumplen de manera adecuada con los criterios DTS (desviación [D], sincronía temporal [T] y consistencia espacial [S]), de manera que pueden considerarse como anomalías térmicas sísmicas. Este análisis podría contribuir al pronóstico confiable de terremotos. ABSTRACT This paper presents a preliminary analysis of thermal anomalies before the Baja California M7.2 earthquake occurred on April 4, 2010. The results show that surface air temperature of the Mexicali station, which is the closest one to the epicenter, reaches its maximum value on March 30, which is also the maximum value from January 1 to April 10, 2010. Weather stations far away from the epicenter (100 km away) show no other thermal anomaly. In particular, the National Centers for Environmental Prediction Final Operational Global Analysis (NCEP-FNL) air temperature data show a maximum temperature change between March 30 and 31 at the epicenter grid point, while the other surrounding 7199 grid points show medium to low temperature change. The microwave brightness temperature measured by the Advanced Microwave Scanning Radiometer on board the EOS Aqua satellite (AMSR-E) also shows an increase on March 31. The results of multiple thermal parameters analysis obey well the DTS criterions: deviation (D), time synchronism (T), and space consistency (S), so they can be considered as convincing seismic thermal anomalies. This analysis might contribute to make reliable earthquake predictions.

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Section: Discussionsupporting

confidence: 83%

Preliminary analysis of thermal anomalies before the 2010 Baja California M7.2 earthquake

Jie¹,

Guo²

2013

Atmósfera

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“…RST was applied for the first time to seismically active areas monitoring, in the case of the disastrous 1980 Irpinia-Basilicata earthquake (Di Bello et al, 2004;Tramutoli et al, 2001b), then it was successfully tested in several cases: Athens, 7 September 1999 ; Izmit, 17 August 1999 ; Gujarat, 26 January 2001 (Genzano et al, 2007), Boumerdes/Thenia, 21 May 2003(Aliano et al, 2007; Hector Mine, 16 October 1999(Aliano et al, 2008a, Umbria-Marche, October 1997 (Aliano et al, 2008b), Mestia Tianeti (Georgia), 23 October 1992 , and various low magnitude events occurred in Greece and Turkey, May and June 1995-1996(Corrado et al, 2005.…”

Section: A Robust Estimator Of Thermal Anomaliesmentioning

confidence: 99%

“…Several studies (see for example Gorny et al, 1988;Qiang and Dian, 1992;Tronin, 1996;Qiang et al, 1997;Tronin et al, 2002;Ouzounov and Freund, 2004) have been performed, in the past years, reporting the appearance of spacetime anomalies in TIR satellite imagery, from weeks to days, before severe earthquakes. Different authors (Qiang et al, 1991;Tramutoli et al, , 2009, in order to explain the appearance of anomalously high TIR records near the place and the time of earthquake occurrence, attributed their appearance to the increase of green-house gas (such as CO 2 , CH 4 , etc.)…”

Section: Introductionmentioning

confidence: 99%

RST analysis of MSG-SEVIRI TIR radiances at the time of the Abruzzo 6 April 2009 earthquake

Genzano

Aliano

Corrado

et al. 2009

Nat. Hazards Earth Syst. Sci.

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Abstract. Space-time fluctuations of Earth's emitted Thermal Infrared (TIR) radiation have been observed from satellite months to weeks before earthquakes occurrence.The general RST approach has been proposed in order to discriminate normal (i.e. related to the change of natural factor and/or observation conditions) TIR signal fluctuations from anomalous signal transient possibly associated to earthquake occurrence. In this work RST approach is applied to the Abruzzo 6 April 2009 event (M L =5.8) by using for the first time MSG-SEVIRI (Meteosat Second Generation -Spinning Enhanced Visible and Infrared Imager) thermal infrared observations. A validation/confutation analysis has been performed in order to verify the presence/absence of anomalous space-time TIR transients in the presence/absence of significant seismic activity. MarchApril 2009 has been analyzed for validation purposes. Relatively unperturbed periods (no earthquakes with M L ≥5) have been taken for confutation. A specific TIR anomalies spacetime persistence analysis as well as a cloud coverage distribution test have been introduced in order to eliminate artifacts and outliers both in the validation and confutation phases. Preliminary results show clear differences in TIR anomalies occurrence during the periods used for validation and confutation purposes. Quite clear TIR anomalies appear also to mark main tectonic lines related to the preparatory phases of others, low magnitude (M L ∼4) earthquakes, occurred in the area.

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“…Several authors (see, for example, Qiang Zu-ji and Dian Chang-Gong, 1992;Qiang et al, 1991Qiang et al, , 1997Tronin, 1996Tronin, , 2000Tronin et al, 2002) have claimed a possible correlation between TIR 1 satellite anomalies, observed from months to weeks before an earthquake, and the occurrence of the seismic event itself. Such a claimed correlation has been considered, up to now, with some caution by scientific community mainly for the insufficiency of the validation data-sets and the scarce importance attached by those authors to other causes (e.g.…”

Section: Introductionmentioning

confidence: 99%

Seismically active area monitoring by robust TIR satellite techniques: a sensitivity analysis on low magnitude earthquakes in Greece and Turkey

Corrado

Caputo

Filizzola

et al. 2005

Nat. Hazards Earth Syst. Sci.

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Part of Special Issue "Precursory phenomena, seismic hazard evaluation and seismo-tectonic electromagnetic effects" Abstract. Space-time TIR anomalies, observed from months to weeks before earthquake occurrence, have been suggested by several authors as pre-seismic signals. Up to now, such a claimed connection of TIR emission with seismic activity has been considered with some caution by scientific community mainly for the insufficiency of the validation data-sets and the scarce importance attached by those authors to other causes (e.g. meteorological) that, rather than seismic activity, could be responsible for the observed TIR signal fluctuations. A robust satellite data analysis technique (RAT) has been recently proposed which, thanks to a well-founded definition of TIR anomaly, seems to be able to identify anomalous spacetime TIR signal transients even in very variable observational (satellite view angle, land topography and coverage, etc.) and natural (e.g. meteorological) conditions.Its possible application to satellite TIR surveys in seismically active regions has been already tested in the case of several earthquakes (Irpinia: 23 November 1980, Athens: 7 September 1999, Izmit: 17 August 1999) of magnitude higher than 5.5 by using a validation/confutation approach, devoted to verify the presence/absence of anomalous spacetime TIR transients in the presence/absence of seismic activity. In these cases, a magnitude threshold (generally M<5) was arbitrarily chosen in order to identify seismically unperturbed periods for confutation purposes.In this work, 9 medium-low magnitude (4

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Satellite thermal survey—a new tool for the study of seismoactive regions

Cited by 180 publications

References 5 publications

Preliminary analysis of thermal anomalies before the 2010 Baja California M7.2 earthquake

Preliminary analysis of thermal anomalies before the 2010 Baja California M7.2 earthquake

RST analysis of MSG-SEVIRI TIR radiances at the time of the Abruzzo 6 April 2009 earthquake

Seismically active area monitoring by robust TIR satellite techniques: a sensitivity analysis on low magnitude earthquakes in Greece and Turkey

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