Magnitude 6.0 earthquake reported near Yonaguni Island, Japan

The location matters more than the headline number: Yonaguni is a small, remote island at the far southwestern end of the Ryukyu chain, closer to Taiwan than to the Japanese mainland, and well away from the industrial corridors, refineries and nuclear facilities whose disruption has driven past supply shocks. The established sequence after an offshore quake of this size is a tsunami advisory check and initial damage assessments; absent a significant tsunami or structural damage, the event has typically faded from market pricing within the session. Where larger Japanese quakes have mattered for markets historically, the channels have been insurance and reinsurance exposure, repatriation flows in the yen, and supply-chain interruption to concentrated manufacturing, none of which this location immediately implicates. The proximity to Taiwan is the one angle worth noting, given the concentration of semiconductor fabrication on the island, though nothing in the headline indicates impact there. The follow-ons are official seismic agency assessments, any tsunami bulletins for the Sakishima islands and Taiwan's east coast, and early damage reports.