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A tidal surge is seen in the Sunaoshi River after tsunami advisories were issued following an earthquake in Tagajo on November 22, 2016

Bitter lessons of Japan's 2011 tsunami put to use with latest earthquake evacuation

'I felt like the lessons from 2011 were really taken to heart'

Elaine Lies Tokyo
Tuesday 22 November 2016 16:45

Massive tsunami waves slammed into Japan's north eastern coast more than five years ago, killing about 18,000 people and prompting authorities to revise warning systems and evacuation plans to try to save more lives.

On Tuesday, when a magnitude 7.4 quake hit the same area, the country swung into action, using lessons learned in the disaster of 11 March 2011 to ensure coastal residents evacuated well before the much smaller waves hit.

In 2011 warning broadcasts were mostly limited to television, radio, and city officials on loudspeakers, with volunteer firemen in trucks roaming the roads, telling residents to flee to higher ground.

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But on the day now known as “3/11” some of these failed because of power outages after the magnitude 9.0 quake, while many firefighters were killed when the waves – up to 100ft high in places – rushed ashore.

“A lot of people told us they weren't able to hear any of the broadcasts, the waves were bigger than expected, and many went back after the first one to check things out,” said Tsunetaka Omine, a disaster official in Iwaki, a city where around 460 residents died in 2011.

Iwaki now blasts warnings to every mobile phone in the area, sends email messages and broadcasts on local radio in addition to the older methods.

Previous elaborate systems designating specific evacuation centres have also been abandoned along the coast in many cases for being too complicated. Some designated areas were too low and became death traps where scores of people seeking safety drowned.

“Now, we basically just tell people to stay away from the sea, to head to the highest possible ground,” Mr Omine said.

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As a result, as sirens wailed shortly after dawn on Tuesday, ships headed out of harbours to deeper water and lines of cars snaked up nearby hills.

"When I evacuated offshore, I experienced unusual waves," crew leader Hideo Ohira said after returning to Onahama port. "But they were not that big."

Public broadcaster NHK, a key player in disaster prevention, revamped its broadcasts after 2011 in response to criticism that it had been too calm in its reporting, leading some to take warnings less seriously.

So on Tuesday, announcers abandoned their usual careful modulation for an unsettling note of urgency, repeatedly telling listeners, “Do not go near the water, a tsunami is coming!” as messages flashed on the screen in red saying “Tsunami! Run!”

And in a nod to a growing number of foreign residents, a dubbed version of the NHK channel broadcast warnings in English, Chinese and Korean. Several young foreign English teachers died in 2011, prompting speculation that they had known nothing about the danger.

The Japan Meteorological Agency described it as an aftershock of the 2011 quake, which triggered a tsunami that killed about 18,000 people and wiped out entire neighborhoods.

"Aftershocks could continue not only for five years but as long as 100 years," Yasuhiro Umeda, a Kyoto University seismologist, said on broadcaster NTV.

Kathy Krauth, a teacher with a Tokyo international school leading a dozen students on a study tour, was staying at a traditional Japanese inn in the coastal town of Ofunato and was evacuated to higher ground soon after the quake struck.

Four hours later, the group was finally allowed back to their inn and were promptly relocated to a hotel at a higher, safer elevation.

“I felt like the lessons of 3/11 were really taken to heart,” Ms Krauth said. “The feeling was, we just don't know, but we're going to be as cautious as we can.”

Reuters and Associated Press

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