A 7.6-magnitude earthquake that hit western Japan continued to have little impact on the country’s natural gas demand and Asian natural gas prices on Wednesday.

Two coal-fired power plants were closed and some gas-fired generation had been reduced in the Noto region after the quake hit Monday. The Naoetsu LNG import facility was briefly shut down, as well, but has since been reopened. Kpler vessel-tracking data on Wednesday showed the Ibri liquefied natural gas vessel offshore ready to unload at Naoetsu with a cargo from the Bintulu LNG facility in Malaysia.

Japan’s spot electricity price for Thursday declined by nearly 10% as the country’s power reserve was at required levels. While the earthquake, which killed more than 50 people and injured hundreds more, could impact...