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π―π΅M6.2 Quake Strikes Southern Hokkaido A 6.2-magnitude earthquake hit southern Hokkaido at 5:23am on April 27, at a depth of 83km β roughly 200km east of Sapporo. No tsunami warning was issued. The USGS assessed property damage and casualty risk as minimal given low population density, though JMA flagged elevated risk of rockfalls and landslides in areas of strong shaking. The tremor follows a M7.7 quake off Iwate prefecture six days prior, which injured six, triggered 80cm tsunami waves at an Iwate port, and prompted JMA to issue a formal warning of elevated megaquake risk β defined as M8.0 or above. A separate M5.0 quake also struck in seas south of Hokkaido hours before the latest event. JMA has warned aftershocks of similar magnitude are likely in the coming week. Japan sits on the Pacific Ring of Fire and regularly absorbs significant seismic activity; the current cluster along its northern arc is drawing heightened monitoring attention. #Japan @asianomics