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Document 1: Hokkaido Nansel-Oki Earthquake(The final official report)
1. General Outline of Earthquake (As announced by Japan Meteorological Agency)
(1)Date of occurrence:July 12, 1993 about 22:17
(2)Location of epicenter:Off the SW coast of Hokkaido
(3)Depth of epicenter:34 km
(4)Magnitude:7.8
(5)Tsunami forecasts
| Area |
Forecast |
Time of announce ment |
Time of announce ment |
| The Japan Sea coast of Hokkaido |
Major tsunami expected |
12, 22: 22 |
13, 7: 22 |
| The Pacific Sea coast of Hokkaido |
Tsunami expected. |
12, 22: 22 |
13, 3: 50 |
| The Okohotsk Sea coast of Hokaido |
Tsunami attention. |
12, 22: 22 |
13, 3: 50 |
| The Japan Sea coast of the Tohoku region |
Major tsunami expected |
12, 22: 25 |
13, 7: 50 |
| The Pacific Sea coast of the Tohoku region |
Tsunami expected. |
12, 22: 25 |
13, 3: 35 |
| The Japan Sea coast from Ishikawa to Ishikawa |
Tsunami attention. |
12, 22: 31 |
Turn tp warning |
| Tsunami expected. |
13, 0: 12 |
13, 7: 00 |
| The Japan Sea coast from Ishikawa to Fukui |
Tsunami expected. |
12, 23: 35 |
Turn tp warning |
| Tsunami expected. |
13, 0: 12 |
13, 7: 00 |
| The Japan Sea coast from Kyoto to Shimane |
Tsunami attention. |
12, 23: 24 |
13, 7: 00 |
| The Japan Sea coast of Yamaguchi and the west coast of Kyushu |
Tsunami attention. |
12, 23: 41 |
13, 7: 00 |
(6)Local seismic intensities:
Seismic Level 5 Esashi, Otaru, Suttsu, Fukaura
Seismic Level 4 Muroran, Tomakomai, Kucchan, Hakodate, Aomori, Mutsu
Seismic Level 3 Sapporo, Rumni, Obihiro, Iwamizawa, Haboro, Hachinohe, Akita
Seismic Level 2 Urakawa, Asahikawa, Wakkanai, Morioka, Shinjo, Sakata
Seismic Level 1 Oumu, Abashiri, Kushiro, Hiro'o, Yamagasa, Miyako, Onahama, Niigata,
Ofunato, Wajima, Sendai
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