Definition of Epifocal

1. pertaining to the point of origin of an earthquake [adj]

Lexicographical Neighbors of Epifocal

epifamilies
epifamily
epifascial
epifauna
epifaunae
epifaunal
epifaunas
epiflora
epifloral
epifluorescence
epifluorescence microscopes
epifluorescences
epifluorescent
epifluorohydrin
epifluorohydrins
epifocal (current term)
epigaea
epigaeal
epigaean
epigaeous
epigallocatechin
epigastralgia
epigastria
epigastrial
epigastric
epigastric angle
epigastric arteries
epigastric artery
epigastric fold

Literary usage of Epifocal

Below you will find example usage of this term as found in modern and/or classical literature:

1. Earthquakes in the Light of the New Seismology by Clarence Edward Dutton (1904)
"... as to the Causes of these Waves—Lord Rayleigh's Theorem of Surface Waves Not Applicable—A Fourth Class of Seismic Waves—Confined to the epifocal or ..."

2. The Geographical Journal by Royal Geographical Society (Great Britain). (1908)
"They occur only in the epifocal districts of great earthquakes, ... There is abundant reason for inferring that these epifocal waves . . . have no relation ..."

3. Proceedings of the American Philosophical Society Held at Philadelphia for by American Philosophical Society (1909)
"The experiences of these and other regions show that the destructiveness of an earthquake is not necessarily greatest in the epifocal area. ..."

4. Bulletin of the Seismological Society of America by Seismological Society of America (1914)
"Some citations of details are included below, but abundant accounts of the actions of this particular shock, in its epifocal region, have been given by ..."

5. Bulletin of the Seismological Society of America by Seismological Society of America (1916)
"In most instances the intensity given in the catalogs is not estimated for the shock as a whole, or in its epifocal tract, but rather at the places of ..."

6. Report of the Annual Meeting (1903)
"Surface undulations exist in epifocal districts, and these by the movement of water in ponds and lakes, the movements of the bubbles of spirit levels, ..."

7. The California Earthquake of 1906 by Fusakichi Ōmori, John Casper Branner, Charles Derleth, Grove Karl Gilbert, Stephen Taber, Harold Wellman Fairbanks, Mary Hunter Austin (1907)
"Approximate Position of the Center of epifocal Zone. A rough idea as to the position of the most central or principal point in the zone, which forms the ..."

8. Seismology by John Milne (1908)
"Observations which support a surface undulation hypothesis are the following: (1) Surface undulations are visible in epifocal districts, and these by the ..."

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