AFP, June 16, 2014: Two moderate earthquakes struck off Japan’s eastern coast near Fukushima early Monday, the U.S. Geological Survey said, but officials said there was no immediate risk to the stricken power plant. The epicenter of the first quake, with a magnitude measuring 5.7, was located some 91 kilometers off the coast [...] A second, 5.6-magnitude quake struck two hours later slightly closer to shore at a depth of 39 kilometers. [...] [TEPCO] said in an email that it had found no anomalies at the site [...] The Japan Meteorological Agency put the magnitude of the first quake on Monday slightly higher at 5.8, adding that there was no immediate risk of a tsunami.
Xinhua, June 16, 2014: A 5.8-magnitude quake jolted Fukushima Prefecture [...] at around 5:14 local time with tremor being felt in the country’s capital, Tokyo. [...] The quake was registered at level four at Japan’s seismic intensity scale of 7 in some parts of Fukushima [...]
Wall St. Journal, May 29, 2014: Megaquakes Frequent in Japan History, Study Finds– At least 16 mega-earthquakes originated in the Pacific coast off Shikoku over the last 7,000 years and could have caused damage on a par with the Great East Japan Earthquake in 2011, according to a study by Kochi University Prof. Makoto Okamura [...] The government [...] said there is about a 70% chance within the next 30 years that the area will see a quake of up to magnitude 9.0. [...] in 1707 [...] the Hoei Earthquake [...] is believed to have had a magnitude of more than 8 [...] Prof. Okamura discovered evidence of an even bigger quake that occurred about 2,000 years ago. It could have caused a tsunami a few times higher than the 15-meter waves that hit the Tohoku region in 2011, he said [...] the monstrous tsunami left its mark in sediment at Kaniga-ike [...]
Published: June 16th, 2014 at 9:38 pm ET