2026-02-28T05:53:57.27Z25.1476125.062928manualconfirmedEMSC5.4mw1Origin/20260228073919.441932.85717Magnitude/20260228073919.442006.85718EMSCSOUTHWESTERN RYUKYU ISL., JAPANregion nameEMSC-RTScatalog1952598contributorID