Автор: Amigo
Дата: 11-08-09 08:47
Earthquake Details
Magnitude 7.1
Date-Time Sunday, August 09, 2009 at 10:55:56 UTC
Sunday, August 09, 2009 at 07:55:56 PM at epicenter
Time of Earthquake in other Time Zones
Location 33.144°N, 138.040°E
Depth 303.1 km (188.3 miles)
Region IZU ISLANDS, JAPAN REGION
Distances 165 km (100 miles) W of Hachijo-jima, Izu Islands, Japan
175 km (110 miles) S of Hamamatsu, Honshu, Japan
205 km (130 miles) S of Shizuoka, Honshu, Japan
320 km (200 miles) SSW of TOKYO, Japan
Location Uncertainty horizontal +/- 5 km (3.1 miles); depth +/- 8.9 km (5.5 miles)
Parameters NST=201, Nph=201, Dmin=668.8 km, Rmss=0.85 sec, Gp= 29°,
M-type=teleseismic moment magnitude (Mw), Version=7
Source USGS NEIC (WDCS-D)
No tsunamis after two major earthquakes strike islands near India, Japan
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Monday, August 10, 2009
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Tsunami warnings were issued by the National Oceanic and Atmospheric Administration (NOAA) and later canceled after a magnitude 7.6 earthquake struck the Andaman Islands near India.
The quake struck 260 kilometers (160 miles) North of Port Blair in the Andaman Islands at approximately 1:55 a.m. local time with a depth of 33.1km (20.6 miles). The United States Geological Survey (USGS) says it's likely the quake was an aftershock to the deadly magnitude 9.1 earthquake in 2004 that triggered a massive tsunami killing nearly 230,000 people.
The warnings had applied to Myanmar, Indonesia, Bangladesh, Sri Lanka and Thailand. The NOAA indicated the risk of a tsunami was 'moderate to high', but no waves were reported in any of the areas indicated in the warning.
"Sea level readings indicate that a significant tsunami was not generated. Therefore the tsunami watched issued by this center has been canceled," said the NOAA eralier in a statement on its website.
Minutes later, at 2:07 a.m. Indian time, the USGS said a magnitude 6.4 earthquake struck 31 kilometers (19 miles) South, Southwest of the Shizuoka Prefecture, near Honshū, Japan with a depth of 26.8 km (16.7 miles). However, officials in Japan put the quake at a magnitude 6.6. A tsunami watch was also issued for the area and a short time later small, two foot waves were reported in the Tsuruga Bay area, causing no damage.
As a precaution, Japanese officials have shut down at least two units, reactor No. 4 and 5 at the nuclear power facility in Hamaoka to perform a safety check. Alarms inside the plant indicated a possible radiation leak inside reactor 5, but officials say no radiation has been detected outside containment. According to Japan's Trade Ministry, both reactors shut down automatically after censors detected the quake. Area trains have also been stopped. This was the second earthquake in Japan in two days, following an earlier one that measured 6.9 near Tokyo.
There are no reports of major damage with either quake. Spokesman for the USGS, Paul Caruso, says both quakes appear to be unrelated. Minor injuries were reported in Japan due to falling objects, but there are no reports of any deaths. Singer, songwriter and actress Jessica Simpson, who flew to Japan over the weekend, is also safe after feeling the shaking.
"Thought I was hallucinating during a 6.6 earthquake in Japan. I have never felt anything like this in my life," said Simpson from via her Twitter account.
Indonesia has also seen an earthquake, a 5.7 magnitude that occurred 74km from Wewak at 1:46 a.m. local time on Monday.
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