A MAN wearing a protective face mask walks through red-colored wooden torii gates at the Nezu shrine in Tokyo, Japan. 鈥 REUTERS/STOYAN NENOV

TOKYO/HONG KONG 鈥 Viral rumors of impending disaster stemming from a comic book prediction have taken the sheen off Japan鈥檚 tourism boom, with some airlines cancelling flights from Hong Kong where passengers numbers have plunged.

Japan has seen record numbers of visitors this year, with April setting an all-time monthly high of 3.9 million travelers.

That dipped in May, however, with arrivals from Hong Kong 鈥 the superstitious Chinese-controlled city where the rumors have circulated widely 鈥 down 11% year-on-year, according to the latest data.

Steve Huen of Hong Kong-based travel agency EGL Tours blamed a flurry of social media predictions tied to a manga that depicts a dream of a massive earthquake and tsunami hitting Japan and neighboring countries in July 2025.

鈥淭he rumors have had a significant impact,鈥 said Mr. Huen, adding that his firm had seen its Japan-related business halve. Discounts and the introduction of earthquake insurance had 鈥減revented Japan-bound travel from dropping to zero,鈥 he added.

Hong Kong resident Branden Choi, 28, said he was a frequent traveler to Japan but was hesitant to visit the country during July and August due to the manga prediction. 鈥淚f possible, I might delay my trip and go after September,鈥 he said.

Ryo Tatsuki, the artist behind the manga titled The Future I Saw, first published in 1999 and then re-released in 2021, has tried to dampen the speculation, saying in a statement issued by her publisher that she was 鈥渘ot a prophet.鈥

The first edition of the manga warned of a major natural disaster in March 2011. That was the month and year when a massive earthquake, tsunami and nuclear disaster struck Japan鈥檚 northeastern coast killing thousands.

Some have interpreted the latest edition as predicting a catastrophic event would occur specifically on July 5, 2025, although Mr. Tatsuki has denied this.

Situated within the Pacific Ocean鈥檚 鈥淩ing of Fire,鈥 Japan is one of the most earthquake-prone countries in the world. In recent days there have been more than 900 earthquakes, most of them small tremors, on islands off the southern tip of Kyushu.

But Robert Geller, a professor at the University of Tokyo who has studied seismology since 1971, said even scientifically based earthquake prediction was 鈥渋mpossible.鈥

鈥淣one of the predictions I鈥檝e experienced in my scientific career have come close at all,鈥 he said.

Nevertheless, low-cost carrier Greater Bay Airlines became the latest Hong Kong airline on Wednesday to cancel flights to Japan due to low demand, saying it would indefinitely suspend its service to Tokushima in western Japan from September.

Serena Peng, 30, a visitor to Tokyo from Seattle, had initially tried to talk her husband out of visiting Japan after seeing the social media speculation.

鈥淚鈥檓 not super worried right now, but I was before,鈥 she said, speaking outside Tokyo鈥檚 bustling Senso-ji temple. 鈥 Reuters