M 6.7 Ryukyu Islands, Japan

last updated 30 June 2020

On 13 June 2020 a strong earthquake occurred at the Ryukyu Islands, Japan. The tremor with an estimated moment magnitude (Mw) 6.7 occurred at 15:51 UTC. It was the second strong earthquake in the first three weeks of June.

A warning was issued earlier on the day because of high lunar geometry in combination with critical planetary geometry.

SSGI chart 8-14 June 2020
second strong earthquake due to critical lunar geometry in June 2020.


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