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August 14, 2010

7.2 magnitude earthquake strikes Mariana Islands

7.2 magnitude earthquake strikes Mariana Islands

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Saturday, August 14, 2010

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Location of Mariana Islands in the Philippine Sea.

An earthquake of 7.2 magnitude on the Richter scale struck the Mariana Islands today. The epicenter was located 1,484 kilometers northeast of Davao, Philippines and 2,703 kilometers northeast of Lahad Datu, Sabah at a depth of 4.7 kilometers.

The eathquake struck Mariana at 07:19 a.m. local time (09:19 p.m. GMT Friday). The Northern Marianas emergency management office said that there were no damages reported in the nation. Also the Pacific Tsunami Warning Center said that there was no Tsunami indication.

No tremors were felt in any of the major islands like Saipan nor in Hagåtña, the capital of Guam. An aftershock measuring 6.3 on the Richter scale hit the islands ten hours later but it did not trigger a tsunami.



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June 4, 2009

WHOI sub Nereus explores deepest area of Pacific Ocean

WHOI sub Nereus explores deepest area of Pacific Ocean

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Thursday, June 4, 2009

A Woods Hole Oceanographic Institution (WHOI) remotely operated vehicle touched down 10,902 meters (35,767 feet) in the Mariana Trench near the island of Guam.

Location of the Mariana Trench
Image: Kmusser.

On Sunday, May 31, Nereus dove into the Pacific Ocean and began its descent into Challenger Deep the deepest area of the Mariana Trench.

“It’s the deepest known part of the ocean. The trench is virtually unexplored, and I am absolutely certain Nereus will enable new discoveries,” said Andy Bowen, project manager of WHOI, “Reaching such extreme depths is the pinnacle of technical challenges. The team is pleased that Nereus has been successful in reaching the very bottom of the ocean to return imagery and samples from such a hostile world. With a robot like Nereus we can now explore anywhere in the ocean. The trenches are virtually unexplored, and Nereus will enable new discoveries there. Nereus marks the start of a new era in ocean exploration.”

However, this is not the first time that a mission was sent into the trench. In 1998, the Japanese robot Kaiko was launched. In 1960 a two man bathyscaphe vehicle, the Trieste descended 10,916 meters (35,813 feet) to the ocean floor.

Nereus can be operated remotely or it can run as an autonomous underwater vehicle AUV. It is currently attached to the mother ship via an optic tether the diameter of a human hair.

“Much of the ocean’s depths remain unexplored. Ocean scientists now have a unique tool to gather images, data and samples from everywhere in the oceans, rather than those parts shallower than 6,500 meters (4 miles). With its innovative technology, Nereus allows us to study and understand previously inaccessible ocean regions,” said Julie Morris, director of the National Science Foundation (NSF)’s Division of Ocean Sciences. NSF assisted with the US$8 million project funding.

Nereus will send videos and collect samples on the ocean floor at the trench’s subduction zone and area during its mission.

“The samples collected by the vehicle include sediment from the tectonic plates that meet at the trench and, for the first time, rocks from deep exposures of the Earth’s crust close to mantle depths south of the Challenger Deep. We will know the full story once shore-based analyses are completed back in the laboratory this summer. We can integrate them with the new mapping data to tell a story of plate collision in greater detail than ever before accomplished in the world’s oceans,” said geologist Patty Fryer of the University of Hawaii.



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Wikipedia Learn more about Nereus, Challenger Deep on Wikipedia.
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July 22, 2008

US military confirms three deaths after B-52 crash off Guam

US military confirms three deaths after B-52 crash off Guam

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Tuesday, July 22, 2008

Wikipedia
Wikipedia has more about this subject:
2008 Andersen Air Force Base B-52 crash

The United States military has confirmed that three of the six crew on board a B-52 Stratofortress that crashed near Guam’s Apra Harbour yesterday are dead. The strategic bomber belonged to the US Air Force (USAF).

The aircraft had been headed for a Liberation Day celebration to perform a flyover when it crashed thirty miles off the coast. Since the Monday morning accident 3,000 square miles of ocean have been searched, with aircraft drafted in from as far afield as Japan to help.

The commander of the 35th wing in Guam told reporters that since the crash at 9:45 am local time “we’ve had no encouraging indicators that our airmen survived this crash.” He also said that amongst the groups searching were the US Air Force, Navy, Coast Guard, and Drug Enforcement Agency in addition to Guam Fire and Rescue and Police Departments.

According to the navy, there were no munitions or weapons on board at the time of the crash.



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July 21, 2008

Search underway after US B-52 bomber crashes off Guam\’s coast

Search underway after US B-52 bomber crashes off Guam’s coast

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Monday, July 21, 2008

A file photo of a B-52 in flight

Wikipedia
Wikipedia has more about this subject:
2008 Andersen Air Force Base B-52 crash

A search and rescue operation is underway off the coast of Guam after a B-52 Stratofortress belonging to the United States Air Force (USAF) crashed with six crewmembers on board.

At least two people have been pulled from the water but their conditions have not been made available. The area in question has also yielded a field of floating debris and oil. According to Lt. Elizabeth Buendia, a spokeswoman for the U.S. Coast Guard in Guam, the search is likely to continue throughout the night.

Since the bomber’s crash at 9:45 a.m. local time, both local and military teams have mobilised six vessels, three helicopters, two F-15 fighter jets and another B-52. 70 square miles of sea have been searched, starting roughly 30 miles northwest of Guam’s Apra Harbour.

The aircraft was posted to Guam’s Andersen Air Force Base as part of a four-month rotation scheme and was based in Barksdale Air Force Base in Louisiana. It is believed that the bomber was scheduled to be used in a flyover of Liberation Day crowds celebrating the 1944 capture of Guam from Japan by the US, with the island remaining a US territory. However, some confusion exists over whether it was in fact another aircraft that was scheduled for the flyover.

The B-52 is a 160-foot (50-metre) long-range heavy bomber manufactured by Boeing suitable for mid-air refuelling. The first having entered service in 1955, it is one of the oldest types still operated by USAF, who have used the aircraft for both attacks and surveillance.

This is the second aircraft that the USAF has lost at Guam this year. In February a B-2 stealth bomber crashed on takeoff at Andersen Air Force Base, with the loss costing an estimated US$1.4 billion. Both pilots escaped by ejecting, and the accident was determined to have been caused by moisture on a sensor.

The cause of today’s accident is unknown. The USAF will assemble a board of officers to investigate.



Related news

  • “US B-2 bomber crash in Guam caused by moisture on sensors” — Wikinews, June 8, 2008
  • “US B-2 stealth bomber crashes in Guam” — Wikinews, February 23, 2008

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June 6, 2008

US B-2 bomber crash in Guam caused by moisture on sensors

US B-2 bomber crash in Guam caused by moisture on sensors

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Friday, June 6, 2008

A file photo of a B-2 Spirit bomber

The final report into the crash of a B-2 Spirit bomber belonging to the United States Air Force (USAF) in Guam has determined that the crash was caused by moisture on sensors which caused the jet to receive inaccurate data. It was the first loss of a B-2, which costs US$1.4 billion.

The aircraft, belonging to USAF’s 509th Air Wing and carrying the name Spirit of Kansas, was attempting takeoff from Andersen Air Force Base on February 23 this year when the crash occurred. Moisture in three of the 24 air pressure sensors caused the sensors, all on the port side, to feed back inaccurate data to the flight computer.

The aircraft crew believed the bomber had reached the takeoff speed of 140 knots when in reality it was traveling ten knots slower and rotated for takeoff. The malfunction also meant that the sensors showed the plane to be in a nose down position, causing it to command a high level of pitch, around 30 degrees. This, combined with the low takeoff speed, caused the aircraft to stall and veer to the left.

Major Ryan Link and Captain Justin Grieve, who were piloting, ejected as the left wingtip struck the ground. They were injured, with Grieve suffering compression fractures to his spine, but survived. The wreckage came to rest to the runway’s left.

The report also noted that more effective communications could have prevented the crash. The vulnerability of the sensors to moisture was first detected by aircrews and maintenance staff in 2006, at which time it was discovered that turning on the 500 degree pitot heat prior to sensor calibration would evaporate the water and cause a return to normal readings. However, this was never formally noted and so the pilots of the aircraft were unaware of the potential problem or its solution.

They were also unaware that, at an earlier time at the same base, another B-2’s takeoff roll was aborted at 70 knots due to abnormal indications. After inspection by maintenance personnel, it was determined that moisture in the sensor system was to blame. After turning on the pitot heat the aircraft took off without incident.

Related news

  • “US B-2 stealth bomber crashes in Guam” — Wikinews, February 23, 2008



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March 16, 2008

Wikinews Shorts: March 16, 2008

Wikinews Shorts: March 16, 2008 – Wikinews, the free news source

Wikinews Shorts: March 16, 2008

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A compilation of brief news reports for Sunday, March 16, 2008.

Earthquake hits sea near southern Ryuku Islands, Japan

The location of the Ryuku Islands earthquake

An earthquake has hit the sea near the Southern Ryuku Islands, Japan. The earthquake, which had a magnitude of 4.6, was 15km away from Ishigaki-jima and 1935km away from Tokyo.

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The location of the Mariana Island earthquake

Mariana Islands region hit by Earthquake

An earthquake has hit the sea near the Mariana Islands. The earthquake, which had a magnitude of 5.0, was 340km away from Hagatna, Guam. It struck at approximately 1300 local time yesterday.

Sources


Banda Sea hit by earthquake

The Banda Sea has been hit by an earthquake with a magnitude of 4.9. It struck approximately 215 km away from Saumlaki, Indonesia.

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Earthquake strikes off the coast of El Salvador

The area off the coast of El Salvador has been hit by an earthquake with a magnitude of 4.3. It struck approximately 140 km away from San Miguel and 145 km away from Chinandega, Nicaragua.

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February 23, 2008

US B-2 stealth bomber crashes in Guam

US B-2 stealth bomber crashes in Guam – Wikinews, the free news source

US B-2 stealth bomber crashes in Guam

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Saturday, February 23, 2008

A B-2 bomber, similar to the one that crashed.
Image: Staff Sgt. Bennie J. Davis III.

Two pilots are uninjured after a United States B-2 Spirit stealth bomber crashed at Andersen Air Force Base, a U.S. airbase on Guam. No one on the ground was injured as a result of the crash either.

According to a statement released by the U.S. Air Force, the two pilots from the 509th Bomb Wing were able to safely eject from the plane before it crashed into the ground at around 10:45 a.m. local time (00:45 GMT) and are said to be in good condition. Witnesses say a large plume of black smoke could be seen rising from the wreckage.

It is not yet known what caused the crash, but an investigation is ongoing.

The plane was making a visit to the island from Missouri’s Whiteman Air Force Base which is home to all of the U.S.’s 21 B-2 bombers. Each plane costs about 1.2 to 2 billion U.S. dollars to build. Some of the bombers along with B-1B’s are sometimes switched from Guam to the AFB in a routine rotation.



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September 30, 2007

Three strong earthquakes strike near New Zealand

Three strong earthquakes strike near New Zealand

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Sunday, September 30, 2007

Three large earthquakes hit Sunday near New Zealand and Guam in remote parts of the South Pacific Ocean, according to the United States Geological Survey (USGS).

The first quake which happened at 2:08 (UTC) was a magnitude 6.8 and located 345 kilometers (215 miles) south, southeast of Hagåtña, Guam. The second occurred at 5:23 (UTC) and was a magnitude 7.3 and located 200 k.m. (125 miles) northwest of Auckland Island, New Zealand. The third occurred at 9:47 (UTC), also a magnitude 6.8, was located 235 km (145 miles) west, northwest of Auckland Island, New Zealand. All three of the quake’s epicenters were less than ten miles deep.

According to the National Oceanic and Atmospheric Administration’s (NOAA) Pacific Tsunami Warning Center in Honolulu, Hawaii, none of the quakes caused a tsunami, though local advisories were issued.

There was no damage, injuries or deaths reported in any of the quakes.



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January 13, 2007

Tsunami warning issued after earthquake near Japan

Tsunami warning issued after earthquake near Japan

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Saturday, January 13, 2007

Following a magnitude 8.3 earthquake in the Pacific Ocean, Japan’s Meteorological Agency has issued a Tsunami warning for the north-eastern coast of Hokkaido and a lesser warning for Honshu.

The U.S. Pacific Tsunami Warning centre has issued a warning for Russia, Japan and Markus, Wake, Midway and Marianas islands.

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September 5, 2005

Japan weathers Typhoon Nabi

Japan weathers Typhoon Nabi – Wikinews, the free news source

Japan weathers Typhoon Nabi

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Monday, September 5, 2005

Typhoon Nabi

Japan has been lashed relentlessly by Typhoon Nabi, with nine meter high waves and torrential downpours. It had been classified as a Category 4 storm, the same strength as the recent Hurricane Katrina in the United States, but was later downgraded to Category 3.

Flood warnings were issued from north Okinawa to Tokyo. Rain amounts were predicted to be greater than 19 inches (483 millimeters) for Kyushu, Japan’s third largest island, and some areas may receive as much as 1 to 2 inches of rain per hour. “Water was almost reaching the second floor. I was really frightened,” said a woman in her 50s.

The typhoon knocked power and water out for thousands of homes and has so far claimed two lives, including one man struck by lightning. Over 500 people were evacuated on the Northern Mariana Islands of Saipan, Tinian and Rota.

Nabi is expected to swerve eastward over the next 24 hours and is likely to continue battering much of Japan and the southern and eastern parts of South Korea.

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