2026-05-21T16:52:26.0000Z1.8396.3844manualconfirmedBMKG3.81Origin/20260521210938.769002.92026Magnitude/20260521210938.769093.920272026-05-21T16:57:40.567476Z2026-05-21T21:09:40.080903ZOff West Coast of Northern Sumatraregion nameOrigin/20260521210938.769002.92026