Japan's tourism-related stocks fell amid worsening diplomatic standoff between the two nations after Beijing issued a travel and study advisory.

China and Japan have repeatedly faced off around the Japan-administered islands, which Beijing calls Diaoyu and Tokyo calls the Senkaku.

Japan is set to send a senior diplomat to China in a bid to soothe tensions, public broadcaster NHK reported Monday, after China ratcheted up its response to Japanese Prime Minister Sanae Takaichi’s comments over Taiwan.

Japanese tourism-related shares plunged on Monday after China warned its citizens against travel to its North Asian neighbour following a widening diplomatic rift over Taiwan.

Both countries have summoned each other’s ambassadors after Prime Minister Sanae Takaichi said a Chinese attack on Taiwan could draw a military response from Tokyo.

Japan’s economy contracted for the first time in six quarters, supporting Prime Minister Sanae Takaichi’s case to compile an ambitious economic stimulus package.

A powerful eruption at Sakurajima sent ash and smoke 4,400 metres into the air on Sunday, prompting ashfall warnings and causing dozens of flight cancellations across southwestern Japan.

Bear sightings and attacks have increased in parts of Japan, especially in municipalities close to or adjacent to populated zones,” the U.S. Embassy said in a wildlife alert.