• Shallow M5.9 earthquake hits off the coast of Honshu, Japan

    A strong and shallow earthquake registered by the JMA as M5.9 hit off the east coast of Honshu, Japan at 16:37 UTC on September 20, 2017 (01:37 JST, September 21). The agency is reporting a depth of 10 km (6.2 miles). USGS is reporting M6.1 at a depth of 10 km. If…

  • Japan’s earthquakes and tectonic setting

    Japan has more measurable earthquakes than any other country and has over 100 active volcanoes. These both result from Japan being wedged among four major tectonic plates. The tectonics are complicated, but in this animation, IRIS attempted to look at the basic…

  • Okinawa residents capture rare waterspout on camera

    During the afternoon hours of May 15, 2017, residents of Okinawa, Japan were surprised to see a funnel cloud looming just off the coast. The waterspout never touched ground and there are no reports of damage or injuries. The phenomenon was associated with a…

  • Asian Dust blankets Korean Peninsula and wide swath of Japan

    After engulfing a large part of northern China, including capital Beijing on Thursday, May 4, 2017, dust storm from Mongolia reached the Korean Peninsula and Japan over the weekend. In China, the storm reduced visibility to less than 1 km (0.62 miles) and forced…