Abstract
We set up a temporary seismographic network with four stations in the western part of Sizuoka Prefecture, central Japan, for the observation of microearthquakes during the period from July to August in 1970.The results obtained in the observation were as follows; very shallow earthquakes occurred to the east side of the Tenryu river. But in the north-west side of the Median Tectonic Line and in the vicinity of Lake Hamana, many earthquakes were located as deep as Moho discontinuity showing a systematic focal mechanism.These distributions of focal depths were similar to those in Inuyama area where many earthquakes occurred at shallow depths in Mino-Tanba belt and those in Ryoke belt were below the Moho discontinuity.
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Schedule a callMore From: Zisin (Journal of the Seismological Society of Japan. 2nd ser.)
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