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NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Catalog of Images

2100 thumbnail picture
Honolulu Geophysical Observatory
Hawaii, Oahu, Ewa Beach 1960
2101 thumbnail picture
College, Alaska, seismic and magnetic observatory
Alaska, College 1964
2102 thumbnail picture
College, Alaska, magnetic observatory
Alaska, College 1964
2103 thumbnail picture
Quartz horizontal magnetometer
1957 Ca.
2104 thumbnail picture
Quartz horizontal magnetometer
1957 Ca.
2105 thumbnail picture
Universal gravitometer (synonymous with gravity meter - not in the sense of an instrument to measure specific gravity)
1957 Ca.
2106 thumbnail picture
Universal gravitometer (synonymous with gravity meter - not in the sense of an instrument to measure specific gravity)
2107 thumbnail picture
A seismograph record of the Long Beach Earthquake of March 10, 1933.
1957 Ca.
2108 thumbnail picture
A strong-motion accelerograph, an instrument used to measure the accelerations due to earthquake waves shaking the ground or structures. The accompanying record was of the Helena, Montana earthquake of October 31, 1935. In: Bulletin of the Geological Society of America, Vol. 49., No. 1, pp. 1-21.
1936 ca.
2109 thumbnail picture
Overhead view of a Coast and Geodetic Survey strong-motion accelerograph.
1936 ca.
2110 thumbnail picture
A vibration meter for recording building and ground vibrations.
1936 ca.
2111 thumbnail picture
Earthquake epicenters off the West Coast of the United States and Mexico as observed through early 1927.
1927
2112 thumbnail picture
Earthquake epicenters in the Western and Northern Pacific Ocean as of early 1927
1927
2113 thumbnail picture
The correlation of high seismicity with the Mid-Atlantic Ridge. This map was produced in 1937. Note the refinement of earthquake zones on this map as compared to the map in image cgs02176. In: Proceedings of the American Philosophical Society, Vol. 79, No. 1, Symposium on the Exploration of the Ocean Bottom Arranged by the American Geophysical Union (April 21, 1938), pp. 97-108.
1937
2114 thumbnail picture
The correlation of high seismicity with what is now known as the Gakkel Ridge, a segment of the mid-ocean ridge system. In: Proceedings of the American Philosophical Society, Vol. 79, No. 1, Symposium on the Exploration of the Ocean Bottom Arranged by the American Geophysical Union (April 21, 1938), pp. 97-108. The first hint that the Mid-Atlantic Ridge continued through the Arctic Ocean.
1937
2115 thumbnail picture
"Earthquake Zones", world seismicity map clearly showing the correlation of the Pacific Ring of Fire with earthquake epicenters, the Alpine-Himalayan Belt, and the coincidence of major portions of the mid-ocean ridge system with areas of seismicity. Map published in The Geographical Review, Vol. XXV, No. 1, 1935, Pl. 1.
1935
2116 thumbnail picture
A median section through the earth showing composition of the interior and transmission of earthquake waves. In: Earthquakes and Astronomy" by N. H. Heck. Published in: The Sky, March 1937. P. 14.
1937
2117 thumbnail picture
Newly uplifted seafloor along fault-line in SE Alaska. The beach was elevated 47 feet 4 inches on the west side of Disenchantment Bay. Yakutat Bay earthquake of September 1899.
1899
2118 thumbnail picture
Japanese fishing vessel thrown ashore by tsunami accompanying earthquake of March 7, 1933, on the Sanriku coast of Japan.
19933 March 7
2119 thumbnail picture
A magnetic instrument. The Coast and Geodetic Survey was the Nation's primary geophysical agency until the early 1970's when its geomagnetic duties were transferred to the USGS.
1957 ca.
2120 thumbnail picture
A magnetic instrument The Coast and Geodetic Survey was the Nation's primary geophysical agency until the early 1970's when its geomagnetic duties were transferred to the USGS.
1957 ca.
2121 thumbnail picture
The Sine galvanometer
2122 thumbnail picture
A magnetic instrument The Coast and Geodetic Survey was the Nation's primary geophysical agency until the early 1970's when its geomagnetic duties were transferred to the USGS.
1957 ca.
2123 thumbnail picture
Magnetic instruments The Coast and Geodetic Survey was the Nation's primary geophysical agency until the early 1970's when its geomagnetic duties were transferred to the USGS.
1957 ca.
2124 thumbnail picture
Various magnetic instruments The Coast and Geodetic Survey was the Nation's primary geophysical agency until the early 1970's when its geomagnetic duties were transferred to the USGS.
1957 ca.
2125 thumbnail picture
Operating magnetic instruments The Coast and Geodetic Survey was the Nation's primary geophysical agency until the early 1970's when its geomagnetic duties were transferred to the USGS.
1957 ca.
2126 thumbnail picture
A magnetic instrument The Coast and Geodetic Survey was the Nation's primary geophysical agency until the early 1970's when its geomagnetic duties were transferred to the USGS.
1957 ca.
2127 thumbnail picture
Observatory magnetometer Ruska type
2128 thumbnail picture
Observatory magnetometer Ruska type
2129 thumbnail picture
Magnetic instrumentation. The Coast and Geodetic Survey was the Nation's primary geophysical agency until the early 1970's when its geomagnetic duties were transferred to the USGS.
1957 ca.
2130 thumbnail picture
Magnetic instrumentation. The Coast and Geodetic Survey was the Nation's primary geophysical agency until the early 1970's when its geomagnetic duties were transferred to the USGS.
1957 ca.
2131 thumbnail picture
Observatory magnetometer Ruska type
2132 thumbnail picture
Observatory magnetometer Ruska type
2133 thumbnail picture
Magnetic instrumentation.
1957 ca.
2134 thumbnail picture
Magnetic instrumentation.
1957 ca.
2135 thumbnail picture
Magnetic instrumentation.
1957 ca.
2136 thumbnail picture
Observatory magnetometer Ruska type
2137 thumbnail picture
Horizontal intensity variometers.
2138 thumbnail picture
Horizontal intensity variometers on left
2139 thumbnail picture
Coil assembly and sensor for automatic standard magnetic observatory
2140 thumbnail picture
Coil assembly and sensor for automatic standard magnetic observatory
2141 thumbnail picture
Magnetic instrumentation.
1957 ca.
2142 thumbnail picture
Coil assembly for automatic standard magnetic observatory
2143 thumbnail picture
Coil assembly for automatic standard magnetic observatory
2144 thumbnail picture
Coil assembly for automatic standard magnetic observatory
2145 thumbnail picture
Coil assembly for automatic standard magnetic observatory
2146 thumbnail picture
Magnetic instrumentation.
1957 ca.
2147 thumbnail picture
Automatic scaling system for scaling magnetograms.
1957 ca.
2148 thumbnail picture
Automatic scaling system for scaling magnetograms.
1957 ca.
2149 thumbnail picture
Automatic scaling system for scaling magnetograms.
1957 ca.

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Last Updated:
May 12, 2014