Tokyo CNN  —  School principal Yoshiro Tobo is one of the few people left on his remote Japanese island, where the earth is constantly shaking from earthquakes, having chosen to stay behind while his family are on safer ground. The 52-year-old said he is exhausted and frightened to sleep, as “endless” quakes rumble around Akusekijima in the Tokara Islands, which have endured more than 1,800 earthquakes in the past three weeks. His colleagues were among 49 evacuees, about 75% of the population,