2025-05-16T01:24:54.062184Z54.30053329467773-130.36711120605470manualconfirmedCASS1.239067797703103ML1Origin/20250516172117.287445.230408Magnitude/20250516172117.287496.230409quarry blastCASSSoutheastern Alaskaregion namecass2025jmtscontributorID