The Japan Meteorological Agency said Liu Cheng earthquake after the 311 earthquake-speed reported inaccurate

Japan's Kyodo news, Japan Meteorological Agency said on the 22nd, the East Japan earthquake released a total of 104 emergency earthquake quick report, there are 63 seismic intensity (Japan standard) estimates appear too large, such "inappropriate",61% of the total. It is reported that in August last year, improved, "inappropriate" about 40% of

On the other hand, felt in a strong Iwate, Miyagi and Fukushima County residents object to the implementation of the survey this year, 90 percent of respondents believe that earthquake quick report "useful" or "useful".

The Meteorological Agency said: "Many people want to improve accuracy, we will strive to improve."

The seismic intensity is too large, the estimated main reason is that the mistake almost simultaneous earthquake as an earthquake. To improve accuracy, the Meteorological Agency on August 11 last year, modify the software, released after 17 quick report "inappropriate". Prior to this it is 87 times 56 times "inappropriate", the proportion of up to 64%.