- Japanissubjecttoearthquakes.Japanoftensuffersfromearthquakes.Volcaniceruptionsareusuallyprecededbyearthquakes.BIGearthquakesareeventsofspecialhorror.Therelationbetweenthesignalinducingearthquakesandsucceedingstrongearthquakesisstudied.Thedestructivee...
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