Tsunami - page 3

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Tracking Japan's tsunami debris

After devastating tsunami on March 11 2011, the Japanese government estimated that 5 million tons of debris was swept up by the event. Estimates are that about 70 % sunk to the seafloor and 1.5 million tons left floating. More than a year later, the debris from that

April 05, 2012

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Deep sea floor topography can deflect and amplify tsunami waves

The topography of the seafloor near the coast plays a major role in determining how large tsunami waves become and what places get hit harder than others. Scientists had suspected that the same phenomenon might also take place in the deep ocean, where seamounts

March 15, 2012

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Japan – one year after the mega quake - more than 19000 lives lost, 1.2 million buildings damaged, $574 billion...

Be it scalar weapon attack, mini nukes in fracture zones or natural occurence the Great Tohoku earthquake or 3/11 Japan earthquake and tsunami generated by it made enormous material damage, took many lives and still threatens to take many more.One year after the

March 12, 2012

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WE WATCH: Is Japan going to sink?! pt.3 - Seabed shifted by 50 meters (165 feet) - the largest slip yet recorded

The massive waves were triggered by a devastating 9.0-magnitude earthquake that struck Japan last March and crippled the Fukushima Dai-ichi nuclear power plant, gave the sea floor a huge shove toward Honshu, Japan's largest island. But until now it has been unclear how

December 04, 2011

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East Coast Tsunami risk study

The US East Coast tsunami posibility was main target of  new sonar mapping study. Researchers at the U.S. Geological Survey, along with other governmental and academic partners, have been researching the potential for tsunamis generated by landslides in submarine

November 10, 2011

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Major exercises scheduled on November 9 - The day of close approach of asteroid 2005 YU55

Two major hazard excercise are scheduled for November 9 2011 and also close approach of asterois 2005 YU55. Testing of  Emergency Alert System (EAS) and PACWAVE11, a multi-scenario exercise that will allow PTWS countries to exercise using a destructive local or

October 24, 2011

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Japan tsunami debris on course to hit US

Debris from the devastating tsunami that hit Japan on March 11 has turned up exactly where scientists predicted it would after months of floating across the Pacific Ocean. Finding and confirming where the debris ended up gives them a better idea of where it's headed

October 17, 2011

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El Hierro on alert - Eruption vent: 5 km from Restinga at 600 meter depth

At 9 PM UTC yesterday, authorities have finally confirmed that an eruption took place on the ocean floor 5 km from Restinga, the southernmost location on El Hierro. IGN (Spanish seismological agency) has set the eruption depth at 600 meters. The alert level remains at

October 11, 2011

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Indian Ocean tsunami alert system to be tested on Oct 12

Nearly two dozen countries next Wednesday will take part in a full-scale test of the Indian Ocean's tsunami alert system, using the 2004 Sumatra quake as the basis for the exercise. Exercise IOWAVE 11 will re-enact the seismic events of December 26, 2004, simulating a

October 09, 2011

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Great Tohoku earthquake probably shook Earth's upper atmosphere before it shook the Earth

The devastating earthquake that struck Japan this year may have rattled the highest layer of the atmosphere even before it shook the Earth, a discovery that one day could be used to provide warnings of giant quakes, scientists find.The magnitude 9.0 quake that struck

October 08, 2011

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Volcanic tremors cause alarm in Canary Islands - fear of El Hierro tsunami

Intense swarms of tremors beneath one of the volcanic Canary Islands has placed residents of El Hierro on alert for a possible eruption. Spain’s Instituto Geografico Nacional (IGN) reported the nearly 9,000 seismic movements on the island since July 17 have caused

October 08, 2011

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Swarm of strong earthquakes hits Vanuatu region

A powerful magnitude 7.5  (7.1 downgrade USGS) earthquake struck off the Pacific island nation of Vanuatu, the U.S. Geological Survey reported. The earthquake, which struck at 3:55 a.m. local time on Sunday (12:55 p.m. EDT on Saturday), was centered 63 km (39 miles)

August 21, 2011