Soil Gas Radon Spectra and Earthquakes
Resource
Terrestrial, Atmospheric and Oceanic Sciences 16 (4): 763-774
Journal
Terrestrial Atmospheric and Oceanic Sciences
Pages
763
Date Issued
2005
Date
2005
Author(s)
齊麟
Quick, Thomas J.
楊燦堯
陳正宏
Abstract
Continuous soil gas radon monitoring in real time with improved solidstate detector is carried out in south-central and southern Taiwan. The time series register spike-like anomalies which could be precursors of earthquakes. Monitoring stations located in a brecciated zone of active fault at Taiwan 3 and faults at Taiwan 1 showed drastic variations of radon when the terrain is stressed before the onset of earthquake. In contrast, the spectrum recorded at a station sited on a craton Akron 1 which is sited on a craton shows no significant radon variations. To actually prove that the variation of the time series is related to stress, a fourth station was anchored in a sand column (209 L) with exactly the same type of radon detector system. The time series recorded in this manner shows higher background level and spikes of high radon counts as it is stressed. Temperature and moisture variations are not affecting radon counts.
SDGs
Type
journal article
File(s)![Thumbnail Image]()
Loading...
Name
17.pdf
Size
643.05 KB
Format
Adobe PDF
Checksum
(MD5):e4212564b855595c60b41aebbed94039