Overview
- Japan’s meteorological agency recorded the quake at 10:18 a.m. local time off Shimane, with strong shaking rated above 5 on the Shindo scale in Yasugi and no tsunami alert, as NHK showed evacuations in nearby Matsue.
- The region experienced immediate aftershocks of magnitudes 4.5, 5.1 and 3.8, and authorities reported no major damage confirmed so far.
- The U.S. Geological Survey listed the event at magnitude 5.8 before revising to 5.7, a routine difference from Japan’s 6.2 due to distinct measurement methods.
- JR West suspended part of Shinkansen service following a power cut as a precaution, and the Shimane nuclear plant operator reported no irregularities.
- Separately in Mexico, the national seismic service reported 2,966 aftershocks since the January 2 magnitude 6.5 quake in Guerrero, with ongoing infrastructure impacts and two deaths noted.