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On 17 June 2017, a landslide measuring 300 m × 1,100 m (980 ft × 3,610 ft) fell about 1,000 m (3,280 ft) into Karrat Fjord, generating a megatsunami that hit Nuugaatsiaq. [ 2 ] [ 3 ] [ 4 ] Initially it was unclear if the landslide was caused by a small earthquake (magnitude 4), [ 2 ] [ 5 ] but later it was confirmed that the landslide had ...
[11] [12] The design basis accident for an earthquake was between 0.42 g (4.15 m/s 2) and 0.52 g (5.12 m/s 2) and for a tsunami was 5.2 m. [11] All four units were automatically shut down immediately after the earthquake, [2] and the diesel engines were started to power the reactor cooling. [13]
Another warning was issued at 7:26 JST and more prefectures were included in this warning. Two more tsunami announcements were made at 8:09 and 9:46 and then all tsunami warnings were released for all forecast zones at 12:50. [16] Some of the forecasted wave heights were surpassed by those observed and the reverse also happened.
It struck offshore at 2:46 p.m. and generated a towering tsunami that reached land within half an hour. A wave as high as 19 meters (62 feet) was recorded in the town of Miyako in Iwate prefecture.
The Japan Meteorological Agency reported more than a dozen strong quakes in the Japan Sea off the coast of Ishikawa and nearby prefectures starting shortly after 4 p.m. local time.
Tsunami warnings had been issued in the wake of the quakes in Ishikawa as well as the coastal prefectures of Niigata and Toyama, where 33,000 buildings had lost power as of 6 p.m. (4 a.m. ET ...
Map of earthquakes in 2017 as of December 31. A total of 12,797 earthquakes are plotted. This is a list of earthquakes in 2017. Only earthquakes of magnitude 6 or above are included, unless they result in damage and/or casualties, or are notable for some other reason. All dates are listed according to UTC time.
A 7.5 magnitude earthquake struck Japan on Monday afternoon, triggering a tsunami alert and prompting an official warning to residents to evacuate affected coastal areas as soon as possible.