Analysis of Japan Earthquake effects - 11 March 2011
On 11th March 2011 at 1446 local time (0546 GMT) an earthquake of magnitude 8.9 was recorded off the coast of Honshu, in the north-east of Japan. A number of other tremors and a tsunami followed.
We looked at data from the routing and connectivity measurements carried out by the RIPE NCC to try to identify the extent of the effect of the earthquake on Internet operations in the country.
Overall, it appears that the impact on the Internet was quite small. The RIPE NCC DNS monitoring service did not see any impact on the .jp top level domain. The RIPE NCC active measurement networks, TTM and RIPE Atlas, did not observe any effects.