A magnitude-5.8 earthquake struck northeastern Chiba Prefecture at about 12:46
local time on the 26th. Narita Airport closed two runways from 12:47 and is
conducting safety inspections. The Tsukuba Express, linking Tsukuba in Ibaraki
Prefecture with Akihabara in Tokyo, suspended full-line service from 12:50; the
operator said trains will resume once safety is confirmed.