Earthquake under the Rat Islands, Aleutian Islands on June 24 (1)

On June 24, 2014 at 05:53 (JST, same hereafter), there was a Mw7.9 earthquake at a depth of 107 km under the Rat Islands, Aleutian Islands. In the vicinity of the recent event, the Pacific plate is subducting under the North-American plate. This event occurred within the subducting Pacific plate. The focal mechanism (CMT solution after JMA) had a compression axis in an NNE-SSW direction.
On the same day, at 06:30, the Japan Meteorological Agency announced an information on distant earthquakes (for domestic, "currently under investigation for the presence or absence of tsunami in Japan" and at 07:31, "no tsunami influence in Japan".
This event caused small sea level changes considered as tsunami, the heights of which were observed to be 17 cm at Amchitka, Alaska State, US, 12 cm at Atoka, and 10 cm at Kahului, Hawaii State. In Japan, the heights were 10 cm at Hachinohe-Port, Aomori prefecture (the Ports and Harbours Bureau of the Ministry of Land, Infrastructure, Transport and Tourism) and 8 cm at Kiritappu-Port, Hamanaka Town, Hokkaido (the Ports and Harbours Bureau of the Ministry of Land, Infrastructure, Transport and Tourism).
For the seismic activity since 1900 in the Aleutian Islands, there have often been earthquakes of M8.0 or over. In the vicinity of the recent event, there was a M8.3 earthquake on August 17, 1906. In addition there was a M8.7 earthquake on February 4, 1965, which caused tsunami observed along the Pacific coasts, such as 10 m at Shemya Island, Aleutian Islands, 1.1 m at the northern coast of Kauai Island, Hawaii and 48 cm at Hachinohe in Japan (Comprehensive Bibliography of Destructive Earthquakes in Japan, Latest Edition).

Japan Meteorological Agency
[Evaluation of Seismic Activities for June 2014 (July 9, 2014)]