 | |
  | |
| UTC time | 2005-08-16 02:46:28 |
|---|---|
| ISC event | 7396432 |
| USGS-ANSS | ComCat |
| Local date | August 16, 2005 |
| Local time | 11:46:28 |
| Magnitude | 7.2 Mw |
| Depth | 36.0 km (22.4 mi) |
| Epicenter | 38°17′N 142°02′E / 38.28°N 142.04°E |
| Areas affected |  Japan |
| Max. intensity | MMI VI (Strong) JMA 6− |
| Tsunami | 10 cm (3.9 in) |
| Casualties | 39 injured |
On 16 August 2005, an earthquake struck the east coast of the Japanese island of Honshū at 11:46 am (02:46 UTC) on 16 August 2005, causing damage and power outages. The event registered 7.2 on the moment magnitude scale.
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Transcription
Earthquake characteristics
The earthquake occurred on Tuesday, August 16, 2005, and affected Japan's northeastern coast. It triggered a tsunami warning, and buildings shook 200 miles away in the capital, Tokyo. It was initially estimated to have a moment magnitude of 6.8, and the United States Geological Survey later declared it as a 7.2.[1]
Intensity
| Intensity | Prefecture [2] |
|---|---|
| 6- | Miyagi |
| 5+ | Iwate, Fukushima |
| 5- | Ibaraki |
| 4 | Aomori, Akita, Yamagata, Tochigi, Gunma, Saitama, Chiba, Tokyo, Kanagawa, Niigata, Yamanashi, Nagano, Shizuoka |
Damage and casualties
A tsunami advisory was issued by the Japan Meteorological Agency, but was lifted after only two small waves several centimeters high hit the coast.[3] Some injuries were due to a pool roof collapse in Sendai city, Miyagi prefecture. Initial reports indicated 80 people were injured, but it was later reported by state broadcaster NHK that one person was seriously hurt and thirteen were slightly injured. Seventeen thousand people lost power.[3]
Twenty percent of the world's earthquakes are located in Japan. The Japanese have been developing systems for early warning of earthquakes. For people of the city of Sendai who were testing the new earthquake warning system, they received a warning of the earthquake from the Meteorological Agency 16 seconds before it reached the city, providing time to take cover. People in Tokyo received a message one minute before it hit. Such technology has since become much more popular and this quake is credited for that, since it was 60 miles off the coast of Japan and there was time for a warning.[4]
Aftermath
Business resumed within a day. Japan's Earthquake Research committee said that the earthquake was not the big one that was predicted to strike in the next 30 years.[5] Onagawa Nuclear Power Plant was shut down, with reactor-1 restarting Jan 2006, 2 in March 2006, 3 in 2007.[6]
See also
References
- ^ "Magnitude 7.2 – NEAR THE EAST COAST OF HONSHU, JAPAN". U.S. Geological Survey. August 16, 2005. Archived from the original on December 18, 2009. Retrieved June 20, 2006.
- ^ "震度データベース検索". www.data.jma.go.jp. Retrieved July 8, 2021.
- ^ a b "Earthquake rocks northern Japan". BBC. August 16, 2005. Archived from the original on June 13, 2006. Retrieved June 20, 2006.
- ^ McNicol, Tony (April 13, 2006). "Japan Lays Groundwork for National Earthquake Warning System". Japan Media Review. Archived from the original on February 26, 2010. Retrieved June 20, 2006.
- ^ Kanamori, Hiroo; Miyazawa, Masatoshi; Mori, Jim (2006). "Investigation of the earthquake sequence off Miyagi prefecture with historical seismograms". Earth Planets Space. 58 (12): 1533–1541. Bibcode:2006EP&S...58.1533K. doi:10.1186/BF03352657. S2CID 54988982.
- ^ "Nuclear Power Plants and Earthquakes - World Nuclear Association".
Further reading
- Kanamori, H; Miyazawa, M; Mori, J (2006). "Special Section for the 2005 M7.2 Miyagi-oki earthquake". Earth Planets Space. 58 (12): 1533–1597. Bibcode:2006EP&S...58.1533K. doi:10.1186/BF03352657.
External links
- Headquarters for Earthquake Research
- Seismological notes from the Earthquake Research Institute, The University of Tokyo
- The International Seismological Centre has a bibliography and/or authoritative data for this event.
This page was last edited on 15 April 2024, at 09:00