Typhoon Ma-on , known Know in the Philippines as Typhoon Ineng , was a large and powerful typhoon that affected Influence southern Japan in July 2011 .

Originating from an area of low pressure near Wake Island on July 9 , the precursor to Ma-on gradually developed Coming_to_be as it moved Motion westward .

On July 19 , Ma-on struck Attack Shikoku before turning Change southeastward and moving back Motion over water .

Slow weakening Cause_change_of_strength continued as Ma-on succumbed Death to the effects of high wind shear .

Initially , Ma-on posed Causation a slight threat to the Mariana Islands and prompted Causation the issuance Creating of tropical storm warnings Warning .

Five people perished Death as a result of Ma-on , and damage Damaging reached ¥3.9 billion ( 2011 JPY , $ 50 million 2011 USD ) .