Abstract
The 2006 Chishima-Islands-off Earthquake was generated around 20: 14 on November 15 in 2006 in Japanese standard time (JST). It was reported by the Japan Meteorological Agency (JMA) that the magnitude of the earthquake was 7.9, and the hypocenter was at off-Chishima-Islands Pacific side coast, with the latitude of N46.7°, the longitude of E154° and 30km deep under the seabed. Two months after the earthquake, 2007 Chishima-Islands-off Earthquake was generated around 13: 23 on January 13 in 2007 (JST) with the magnitude of the earthquake 8.2 and the hypocenter of the latitude of N46.3°, the longitude of E154° and 10km deep. This paper introduces the observed tsunami profiles by the Nationwide Ocean Wave information network for Ports and Harbour S (NOWPHAS).
