2007 Noto earthquake
Encyclopedia
At 9:42 a.m. on March 25, 2007, the , a magnitude
6.9 earthquake
, struck the Hokuriku region
of Japan, near the Noto Peninsula
. The earthquake shook the city of Nanao
and the town of Anamizu
with a seismic intensity
of 6+ on Japan's shindo scale
. One death, in the city of Wajima
, and at least 214 injuries have been reported. A tsunami
advisory was immediately made for the Kaga
coast and Noto coast, and a 10-20 cm wave hit shore about 30 minutes later.
The Japan Meteorological Agency
placed the earthquake at 37.3°N, 136.5°E, at a depth of 50 km. It estimated the magnitude at 7.1, but later revised its estimate to 6.9. The earthquake had a maximum three-component vector sum peak ground acceleration
of 1,304 cm/s2 (1.33 g).
Japanese broadcaster NHK
reported an aftershock as strong as magnitude 5.3 at 6:11 p.m.
Richter magnitude scale
The expression Richter magnitude scale refers to a number of ways to assign a single number to quantify the energy contained in an earthquake....
6.9 earthquake
Earthquake
An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. The seismicity, seismism or seismic activity of an area refers to the frequency, type and size of earthquakes experienced over a period of time...
, struck the Hokuriku region
Hokuriku region
The is located in the northwestern part of Honshū, the main island of Japan. It lies along the Sea of Japan within the Chūbu region. It is almost equivalent to Koshi Province and Hokurikudō area in pre-modern Japan....
of Japan, near the Noto Peninsula
Noto Peninsula
thumb|right|240px|Landsat image with high-resolution data from Space Shuttle.Noto Peninsula is a peninsula that projects north into the Sea of Japan from the coast of Ishikawa prefecture in central Honshū, the main island of Japan...
. The earthquake shook the city of Nanao
Nanao, Ishikawa
is a city located in Ishikawa prefecture, Japan.As of March 1, 2010, the city has an estimated population of 58,204 and a population density of 183 persons per km². Nanao is the fifth largest city by population in Ishikawa, behind Kanazawa, Hakusan, Komatsu, and Kaga.Nanao is situated in the...
and the town of Anamizu
Anamizu, Ishikawa
is a town located in Hōsu District , Ishikawa, Japan.As of 2008, the town has an estimated population of 10,193 and a density of 55.63 persons per km². The total area is 183.24 km²....
with a seismic intensity
Japan Meteorological Agency seismic intensity scale
The Japan Meteorological Agency seismic intensity scale is a seismic scale used in Japan and Taiwan to measure the intensity of earthquakes. It is measured in units of...
of 6+ on Japan's shindo scale
Japan Meteorological Agency seismic intensity scale
The Japan Meteorological Agency seismic intensity scale is a seismic scale used in Japan and Taiwan to measure the intensity of earthquakes. It is measured in units of...
. One death, in the city of Wajima
Wajima, Ishikawa
is a city located in Ishikawa, Japan.As of 2008, the city has an estimated population of 31,532 and the density of 74 persons per km². The total area is 426.25 km².The city was founded on March 31, 1954....
, and at least 214 injuries have been reported. A tsunami
Tsunami
A tsunami is a series of water waves caused by the displacement of a large volume of a body of water, typically an ocean or a large lake...
advisory was immediately made for the Kaga
Kaga, Ishikawa
is a city located in the southwest of Ishikawa Prefecture, Japan.Created as an old temple town, the city was greatly developed by the Maeda clan in the early Edo period...
coast and Noto coast, and a 10-20 cm wave hit shore about 30 minutes later.
The Japan Meteorological Agency
Japan Meteorological Agency
The or JMA, is the Japanese government's weather service. Charged with gathering and reporting weather data and forecasts in Japan, it is a semi-autonomous part of the Ministry of Land, Infrastructure and Transport...
placed the earthquake at 37.3°N, 136.5°E, at a depth of 50 km. It estimated the magnitude at 7.1, but later revised its estimate to 6.9. The earthquake had a maximum three-component vector sum peak ground acceleration
Peak ground acceleration
Peak ground acceleration is a measure of earthquake acceleration on the ground and an important input parameter for earthquake engineering, also known as the design basis earthquake ground motion...
of 1,304 cm/s2 (1.33 g).
Japanese broadcaster NHK
NHK
NHK is Japan's national public broadcasting organization. NHK, which has always identified itself to its audiences by the English pronunciation of its initials, is a publicly owned corporation funded by viewers' payments of a television license fee....
reported an aftershock as strong as magnitude 5.3 at 6:11 p.m.
See also
- 2007 Chūetsu offshore earthquake2007 Chuetsu offshore earthquakeThe Chūetsu Offshore Earthquake was a powerful magnitude 6.6 earthquake that occurred 10:13 a.m. local time on July 16, 2007, in the northwest Niigata region of Japan. The earthquake shook Niigata and neighbouring prefectures...
- 2004 Chūetsu earthquake2004 Chuetsu earthquakeThe occurred at 5:56 p.m. on Saturday, October 23, 2004 . The Japan Meteorological Agency has named it the Heisei 16 Niigata Prefecture Chuetsu Earthquake or The Mid Niigata Prefecture Earthquake of 2004...
- 1995 Kobe earthquakeGreat Hanshin earthquakeThe Great Hanshin earthquake, or Kobe earthquake, was an earthquake that occurred on Tuesday, January 17, 1995, at 05:46 JST in the southern part of Hyōgo Prefecture, Japan. It measured 6.8 on the moment magnitude scale , and Mj7.3 on JMA magnitude scale. The tremors lasted for approximately 20...