THE NEW ENGLAND SEISMIC NETWORK
Final rept. 16 Feb 1962-15 Sep 1966
BOSTON COLL CHESTNUT HILL MA
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A short period seismographic network consisting of five stations in the New England region has been established and maintained. Seismic data from the four northern stations are telemetered to the fifth station at Weston. Refraction studies have determined the crustal thicknesses underlying the four northern stations. The correlation of these results south to Weston is questionable. Anomalous departures of arrival times from the Jeffreys-Bullen Travel-time Tables have been observed as a function of azimuth of approach to the stations. The regional seismicity of New England and adjacent areas is summarized from November 1962 through September 1966. Preliminary work with crustal transfer functions applicable to the New England region is described, and a ray theory explanation given for the impulse response obtained from such transfer functions.