汶川大地震说明英文PPT教案.pptx

会计学
1
汶川大地震说明英文
14:28 BJT, 12 May 2008, A magnitude- earthquake hit China’s Sichuan area.
Wenchuan City, Center of quake
’N ’E
Chengdu City, Capital of Suchuan Province
103 km from quake center
69,180 died and 374,008 injured in the disaster as of 1200 BJT, June 19, 2008.
80-90% of houses were crashed.
The central government responded quickly. The prime minister took off from Beijing within 2 hours after the quake heading for Chengdu. Army rescue forces had to rush into the epicenter area by foot due to road cut off.
Ham radio operators around Chengdu, Mianyang area setup their gears at earliest time .
All other communication means failed in the center area and one amateur repeater was setup at 13 May morning, to pass command for government instruction.
Chengdu is about 100km from the epicenter and was affected. Its main repeater survived and more were put up soon to provide 100-200Km communication on flat area.
Right on May12, the day that quake happened, CRSA called for emergency communication aids and organized the national emergency networks on 7050KHz, 7060KHz and 14270KHz.
Many amateur radio operators kept hourly monitoring to check what can help in the disaster relief.
The emergency net frequencies were released on 27 May 2008.
The message was soon spread in the whole amateur radio community
JARL put the messages on JARL website to help to clear frequencies for the emergency communication