Outline of geophysical investigations on the great earthquake in the south-west Japan on Dec. 21, 1946
Pacific Geological Surveys
508
By: Takeshi Nagata
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Abstract
In in the early morning of Dec. 21, 1946, a great destructive earthquake occurred in southern-western Japan. According to the seismogram obtained in our university, the earthquake motion began at Tokyo from 4 h 20 m 10.4 s on Dec. 21, 1946. The maximum amplitude of NS, EW, and up-down components of the earthquake motion at Tokyo was 12.0 mm, 14.0 mm and 3.0 mm respectively, while the initial motion was composed of 80 μ south, 67 μ west and 20 μ down movements.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Unnumbered Series |
| Title | Outline of geophysical investigations on the great earthquake in the south-west Japan on Dec. 21, 1946 |
| Series title | Pacific Geological Surveys |
| Series number | 508 |
| DOI | 10.3133/70046396 |
| Year Published | 1947 |
| Language | English |
| Publisher | U.S. Geological Survey, Pacific Geological Surveys |
| Publisher location | Tokyo, Japan? |
| Description | 81 p. |
| Country | Japan |
| Additional Online Files (Y/N) | N |