Earthquakes are the results of rapid tectonic motion and last release of strain energy. Heat is the general expression of various motions and energies. The comprehensive analysis on the data of the ground temperature ...Earthquakes are the results of rapid tectonic motion and last release of strain energy. Heat is the general expression of various motions and energies. The comprehensive analysis on the data of the ground temperature and satellite thermal infrared pattern of more than 20 earthquakes with M_s】5.0 that occurred in China since 1989 shows that there展开更多
We have examined the water level data from 16 wells in Sichuan province,China,recorded before the Wenchuan Ms8.0 earthquake occurred in 2008.We found that the data of 5 among these wells exhibit possible precursory an...We have examined the water level data from 16 wells in Sichuan province,China,recorded before the Wenchuan Ms8.0 earthquake occurred in 2008.We found that the data of 5 among these wells exhibit possible precursory anomalies,which are respectively named the Chuan No.08 well in Deyang,Chuan No.ll well in Pujiang,Chuan No.13 well in Luzhou,Chuan No.22 well in Qionglai and Beichuan.In time durations,these anomalies are of long-,intermediate-and short-term signals which are primarily distributed on the northeast(NE)trending Longmenshan fault zone as well as the parallel Huayingshan fault zone.It seems that the variations of the well levels on the Huayingshan fault zone imply compression while those on the Longmenshan fault zone reflect extension.These anomalies occurred first in the areas outside the epicenter region of the Wenchuan Ms8.0 earthquake,then migrated to the seismogenic fault zone.And they migrated from southwest to northeast in agreement with the rupture process of the main shock.展开更多
From Octobet 1998 to January 1999,5 earthquakes ( M s≥5) occurred between Ninglang and Yanyuan counties (27°07′～27°12′N,100°40′～101°00′E area).They were situated in 140km southwest of the Xi...From Octobet 1998 to January 1999,5 earthquakes ( M s≥5) occurred between Ninglang and Yanyuan counties (27°07′～27°12′N,100°40′～101°00′E area).They were situated in 140km southwest of the Xichang.Among them,the largest one is M s 6 2 on November 19,1998.Based on small seismic data by the seismic remote sensing station of Xichang and the seismological station of Muli,and regional observation data,passing through careful observation and scientific analyses,we had made better forecasts before the earthquakes.That results obvious social benefits.By processing data of precursory earthquakes,such as,original observation data of total geomagnetic intensity from the station of Xichang,pressure capacitance stressometer and quartz horizaontal pendulum tiltmeter from the Xiaomiao station of Xichang,we summarized the sequence characteristics of the series earthquakes.The information about short\|term anomaly of gruond strain,total geomagnetic intensity and ground tilt before the earthquake is emphatically explained.展开更多
This note mainly discusses the relation of the impending-earthquake satellite thermal infrared anomaly with the ground temperature-increase anomaly, namely, expounds the problem if the satellite thermal infrared anoma...This note mainly discusses the relation of the impending-earthquake satellite thermal infrared anomaly with the ground temperature-increase anomaly, namely, expounds the problem if the satellite thermal infrared anomaly is the reflection of the surficial temperatureincrease anomaly caused by seismic activities on the basis of previous works about the rela-展开更多
基金Key project of the 8th National 5-Year Plan supported by the National Committee of Science and Technology of China.
文摘Earthquakes are the results of rapid tectonic motion and last release of strain energy. Heat is the general expression of various motions and energies. The comprehensive analysis on the data of the ground temperature and satellite thermal infrared pattern of more than 20 earthquakes with M_s】5.0 that occurred in China since 1989 shows that there
基金supported by the National Natural Science Foundation of China(41572238,U1602233)Special Funds for Scientific Research of the Institute of Geology,China Earthquake Administration(IGCEA1205)Special Projects for Seismological Community(200808079).
文摘We have examined the water level data from 16 wells in Sichuan province,China,recorded before the Wenchuan Ms8.0 earthquake occurred in 2008.We found that the data of 5 among these wells exhibit possible precursory anomalies,which are respectively named the Chuan No.08 well in Deyang,Chuan No.ll well in Pujiang,Chuan No.13 well in Luzhou,Chuan No.22 well in Qionglai and Beichuan.In time durations,these anomalies are of long-,intermediate-and short-term signals which are primarily distributed on the northeast(NE)trending Longmenshan fault zone as well as the parallel Huayingshan fault zone.It seems that the variations of the well levels on the Huayingshan fault zone imply compression while those on the Longmenshan fault zone reflect extension.These anomalies occurred first in the areas outside the epicenter region of the Wenchuan Ms8.0 earthquake,then migrated to the seismogenic fault zone.And they migrated from southwest to northeast in agreement with the rupture process of the main shock.
文摘From Octobet 1998 to January 1999,5 earthquakes ( M s≥5) occurred between Ninglang and Yanyuan counties (27°07′～27°12′N,100°40′～101°00′E area).They were situated in 140km southwest of the Xichang.Among them,the largest one is M s 6 2 on November 19,1998.Based on small seismic data by the seismic remote sensing station of Xichang and the seismological station of Muli,and regional observation data,passing through careful observation and scientific analyses,we had made better forecasts before the earthquakes.That results obvious social benefits.By processing data of precursory earthquakes,such as,original observation data of total geomagnetic intensity from the station of Xichang,pressure capacitance stressometer and quartz horizaontal pendulum tiltmeter from the Xiaomiao station of Xichang,we summarized the sequence characteristics of the series earthquakes.The information about short\|term anomaly of gruond strain,total geomagnetic intensity and ground tilt before the earthquake is emphatically explained.
基金Project supported by the Seismoscience Joint Foundation
文摘This note mainly discusses the relation of the impending-earthquake satellite thermal infrared anomaly with the ground temperature-increase anomaly, namely, expounds the problem if the satellite thermal infrared anomaly is the reflection of the surficial temperatureincrease anomaly caused by seismic activities on the basis of previous works about the rela-
