Electricity: measuring and testing – Particle precession resonance
Patent
1992-04-29
1993-12-14
Arana, Louis
Electricity: measuring and testing
Particle precession resonance
324301, G01V 300
Patent
active
052706494
ABSTRACT:
A method and an apparatus for predicting the future occurrence of earthquakes continuously measures a physical parameter of the earth's crust by means of magnetic spin resonance measurements to develop an alarm signal. When the value of the alarm signal exceeds a threshold value, an alarm is generated.
REFERENCES:
patent: 5138261 (1992-08-01), Ratzel
patent: 5148110 (1992-09-01), Helms
Thomas Y. Canby, Can We Predict Quakes, National Geographic Jun., 1976, 830-835.
R. P. Singh and D. Rankin, The Application of VHF Measurements To Earthquake Prediction, Geophysical Prospecting 33, 1985, pp. 1232-1239 (month unknown).
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