2025-08-30T23:50:23.75Z52.5131160.091540manualconfirmedEMSC4.7mb1Origin/20250831194003.733865.422207Magnitude/20250831194003.73392.422208EMSCOFF EAST COAST OF KAMCHATKAregion nameEMSC-RTScatalog1858300contributorID