ULF/ELF emissions observed in Japan, possibly associated with the Chi-Chi earthquake in Taiwan
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ULF/ELF emissions observed in Japan, possibly associated with the Chi-Chi earthquake in Taiwan
ULF/ELF emission observation has been performed at Nakatsugawa observatory (geographic coordinates; 35.4 N, 137.5 E, Gifu prefecture) since January 1999. The equipment consists of three-orthogonal magnetic sensors (induction coils), amplifiers, A/D converters and the data logger with a computer. The frequency range of observation is from 0.001 Hz to 50 Hz. The serious changes in ELF magnetic fi...
متن کاملAnomalous effect in Schumann resonance phenomena observed in Japan, possibly associated with the Chi-chi earthquake in Taiwan
The Schumann resonance phenomenon has been monitored at Nakatsugawa (near Nagoya) in Japan since the beginning of 1999, and due to the occurance of a severe earthquake (so-called Chi-chi earthquake) on 21 September 1999 in Taiwan we have examined our Schumann resonance data at Nakatsugawa during the entire year of 1999. We have found a very anomalous effect in the Schumann resonance, possibly a...
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Division of Nephrology, Department of Medicine, Taichung Veterans General Hospital*, Chung-Shan Medical University Hospital**, Institute of Clinical Medicine, National Yang Ming University***, Taichung, Taiwan Received: April, 2005 Revised: April, 2005 Accepted: May, 2005 Address reprint requests to Dr. Kuo-Hsiung Shu, Division of Nephrology, Department of Medicine, Taichung Veterans General Ho...
متن کاملDisaster epidemiology and medical response in the Chi-Chi earthquake in Taiwan.
STUDY OBJECTIVE We examine the mortality and morbidity associated with earthquakes in the Chi-Chi earthquake in Taiwan in 1999. METHODS Crude casualty data were collected from the reports of the government, local health bureaus, and 97 hospitals. The demographic data from the annual report of the Department of Interior were also employed for data analysis. Cross tables showing incidence of de...
متن کاملA precursory ULF signature for the Chi-Chi earthquake in Taiwan
ULF emission data at Lunping (epicentral distance, 120 km) have been analysed for the Chi-chi earthquake (with magnitude 7.6 and depth of 11 km) in Taiwan which occurred on 21 September 1999. Simple intensity analyses have not yielded any significant results but we have found, based on the analysis of polarization (the ratio of vertical magnetic field component Z to the horizontal component G),...
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ژورنال
عنوان ژورنال: Natural Hazards and Earth System Sciences
سال: 2001
ISSN: 1684-9981
DOI: 10.5194/nhess-1-37-2001