Updated

A magnitude 4.5 earthquake struck Japan at 01:04 UTC on October 21, 2026, at a depth of about 90 kilometers, with GDACS estimating 40.5 million people live within 100 kilometers of the epicenter. Separately, a magnitude 5.0 earthquake occurred south of Panama at 01:20 UTC the same day at a shallow depth of 10 kilometers, with GDACS reporting no population affected within 100 kilometers. Both quakes were classified as green alerts, the lowest GDACS severity level, indicating no significant damage or casualties are expected from either event.