Japan struck by 6.1 and 4.5 magnitude earthquakes – no tsunami warnings issued.

Risultati immagini per terremoto sismogramma
June 2015 – JAPAN – A magnitude 6.1 magnitude earthquake struck of the eastern coast of northern Japan early Monday. According to the U.S. Geological Survey, the quake struck at 2:01 a.m. ET, and was located around 27.5 miles below ground. Despite the shaking, there have been no immediate reports of damage or injuries. There were also no current tsunami warnings issued from NOAA’s Pacific Tsunami Warning Center or the Japan Meteorological Agency. Japan is one of the most earthquake-prone nations in the world. –KMBZ

4.5 Quake Tokyo
An earthquake with a preliminary magnitude of 4.5 struck Tokyo and its surrounding region on Tuesday morning, the Meteorological Agency said, No tsunami alert was issued. The 5:44 a.m. temblor occurred in the southern part of Ibaraki Prefecture at a depth of about 50 kilometers, registering 4 on the Japanese seismic intensity scale to 7 in Moka, Tochigi Prefecture, and 2 in central Tokyo. –Japan Times