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Radon signals related to seismic activity in Ecuador,March 1987 |
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| Authors: | B Flores Humanante E Giroletti J Idrovo M Monnin R Pasinetti J -L Seidel |
| Institution: | (1) Laboratorio de Tecnicas Nucleares, Faculdad de Ciencias, Escuela Superior Politecnica de Chimborazo, P.O. Box 4703, Riobamba, Ecuador;(2) Servizio di Radioprotezzione, Dipart. Fisica Nucleare e Teorica, Universita di Pavia, Pavia, Italy;(3) Laboratoire de Physique Corpusculaire, CNRS-IN2P3, Université de Clermont, BP-45, 63170 Aubière, France;(4) Cooperazione Internazionale, Escuela de Fisica y Mathemáticas, ESPOCH, P.O. Box 4716, Riobamba, Ecuador |
| Abstract: | A radon concentration measurement survey was carried out in Ecuador using the SSNTD technique. The data analysis shows a definite radon anomaly prior to March 6, 1987;M=6.9 earthquake. Anomalies found before October 18 and October 28th mild earthquakes in 1986 could be correlated with these events. Other anomalies that we cannot correlate with any geophysical event were also found. |
| Keywords: | Earthquake radon-222 soil measurements SSNTD technique forerunner signal |
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